Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline KLM
Cheapest Month October
Cheapest Day of the Week Tuesday
Cheapest Airline KLM

The cheapest airline(s) flying from Ottawa to London is KLM.

  • KLM KLM
  • Austrian Airlines Austrian Airlines
  • Porter Airlines Porter Airlines
  • United Airlines United Airlines
  • Virgin Atlantic Airways Virgin Atlantic Airways
  • Air Canada Air Canada
  • Lufthansa Lufthansa
  • Norse Atlantic UK Norse Atlantic UK
  • Swiss Swiss
  • Air Transat Air Transat
Cheapest Month October

Travel Period: June 2025 - May 2026

The cheapest month(s) to fly from Ottawa to London is October.

  • Jun 2025
  • Jul 2025
  • Aug 2025
  • Sep 2025
  • Oct 2025
  • Nov 2025
  • Dec 2025
  • Jan 2026
  • Feb 2026
  • Mar 2026
  • Apr 2026
  • May 2026
Cheapest Day of the Week Tuesday

The cheapest day(s) of the week to fly from Ottawa to London is Tuesday.

  • Sun Sunday
  • Mon Monday
  • Tue Tuesday
  • Wed Wednesday
  • Thu Thursday
  • Fri Friday
  • Sat Saturday

Flight Schedules

Last Updated: Fri, 2 May, 2025

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    • Airline Filter by Airline
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      • Availability
        • M
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        • S
      • 21:00 YOW
        08:35 LHR
        6Hrs, 35m Direct
      • YOWOttawa McDonald Cartier Intl Airport 21:00 - LHR 08:35 6h 35m Direct
      • YOWOttawa McDonald Cartier Intl Airport 21:00
      • LHRLondon Heathrow Airport 08:35
      • 6h 35m
      • Direct
      • Air Canada (AC 888)Boeing 787 9
      • Air Canada (AC 888)
        • -
        • -
        • W
        • -
        • -
        • S
        • -
      • Boeing 787 9
      • 18:55 YOW
        06:30 LHR
        6Hrs, 35m Direct
      • YOWOttawa McDonald Cartier Intl Airport 18:55 - LHR 06:30 6h 35m Direct
      • YOWOttawa McDonald Cartier Intl Airport 18:55
      • LHRLondon Heathrow Airport 06:30
      • 6h 35m
      • Direct
      • Air Canada (AC 888)Boeing 787 9
      • Air Canada (AC 888)
        • M
        • -
        • -
        • T
        • -
        • -
        • -
      • Boeing 787 9
      • 07:00 YOW
        21:00 LHR
        9Hrs, 00m 1 Stop (YHZ)
      • YOWOttawa McDonald Cartier Intl Airport 07:00 - LHR 21:00 9h 1 Stop (YHZ) Halifax
      • YOWOttawa McDonald Cartier Intl Airport 07:00
        YHZHalifax Stanfield International Airport 11:00
      • YHZHalifax Stanfield International Airport 10:00
        LHRLondon Heathrow Airport 21:00
      • 9h (1h)
      • 1 Stop YHZ · Halifax 1h
      • Air Canada (AC 2576)Dehavilland Dash 8 400
        Air Canada (AC 868)Boeing 737 Max 8 Passenger
      • Air Canada (AC 2576)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 11:55 YOW
        06:35 LHR
        13Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 11:55 - LHR 06:35 13h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 11:55
        YYZToronto Lester B Pearson Intl Airport 18:20
      • YYZToronto Lester B Pearson Intl Airport 13:00
        LHRLondon Heathrow Airport 06:35
      • 13h 40m (5h 20m)
      • 1 Stop YYZ · Toronto 5h 20m
      • Air Canada (AC 453)Airbus
        Air Canada (AC 854)Boeing 777 300 Er
      • Air Canada (AC 453)
        • M
        • -
        • W
        • -
        • -
        • -
        • -
      • 11:55 YOW
        06:35 LHR
        13Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 11:55 - LHR 06:35 13h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 11:55
        YYZToronto Lester B Pearson Intl Airport 18:20
      • YYZToronto Lester B Pearson Intl Airport 13:00
        LHRLondon Heathrow Airport 06:35
      • 13h 40m (5h 20m)
      • 1 Stop YYZ · Toronto 5h 20m
      • Air Canada (AC 453)Airbus
        Air Canada (AC 854)Boeing 777 300 Er
      • Air Canada (AC 453)
        • -
        • T
        • -
        • T
        • F
        • S
        • S
      • 13:55 YOW
        08:35 LHR
        13Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 13:55 - LHR 08:35 13h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 13:55
        YYZToronto Lester B Pearson Intl Airport 20:30
      • YYZToronto Lester B Pearson Intl Airport 15:00
        LHRLondon Heathrow Airport 08:35
      • 13h 40m (5h 30m)
      • 1 Stop YYZ · Toronto 5h 30m
      • Air Canada (AC 457)Airbus
        Air Canada (AC 856)Boeing 787 9
      • Air Canada (AC 457)
        • -
        • -
        • -
        • -
        • F
        • -
        • S
      • 13:55 YOW
        06:35 LHR
        11Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 13:55 - LHR 06:35 11h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 13:55
        YYZToronto Lester B Pearson Intl Airport 18:20
      • YYZToronto Lester B Pearson Intl Airport 15:00
        LHRLondon Heathrow Airport 06:35
      • 11h 40m (3h 20m)
      • 1 Stop YYZ · Toronto 3h 20m
      • Air Canada (AC 457)Airbus
        Air Canada (AC 854)Boeing 777 300 Er
      • Air Canada (AC 457)
        • M
        • T
        • -
        • T
        • -
        • -
        • -
      • 13:55 YOW
        06:35 LHR
        11Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 13:55 - LHR 06:35 11h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 13:55
        YYZToronto Lester B Pearson Intl Airport 18:20
      • YYZToronto Lester B Pearson Intl Airport 15:00
        LHRLondon Heathrow Airport 06:35
      • 11h 40m (3h 20m)
      • 1 Stop YYZ · Toronto 3h 20m
      • Air Canada (AC 457)Airbus
        Air Canada (AC 854)Boeing 777 300 Er
      • Air Canada (AC 457)
        • -
        • -
        • W
        • -
        • F
        • S
        • S
      • 13:55 YOW
        08:35 LHR
        13Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 13:55 - LHR 08:35 13h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 13:55
        YYZToronto Lester B Pearson Intl Airport 20:30
      • YYZToronto Lester B Pearson Intl Airport 15:00
        LHRLondon Heathrow Airport 08:35
      • 13h 40m (5h 30m)
      • 1 Stop YYZ · Toronto 5h 30m
      • Air Canada (AC 457)Airbus
        Air Canada (AC 856)Boeing 787 9
      • Air Canada (AC 457)
        • M
        • T
        • -
        • T
        • -
        • -
        • -
      • 06:55 ZRH
        15:23 YUL
        12Hrs, 00m 1 Stop (LCY)
      • ZRHZurich Airport 06:55 - YUL 15:23 12h 1 Stop (LCY) London
      • ZRHZurich Airport 06:55
        YOWOttawa McDonald Cartier Intl Airport 14:35
      • LCYLondon City Airport 07:35
        YULMontreal Pierre Elliott Trudeau Int Airport 15:23
      • 12h (2h 02m)
      • 1 Stop LCY · London 2h 02m
      • Swiss (LX 450)Airbus A220 100 Passenger
        Air Canada (AC 476)Airbus A220 300
      • Swiss (LX 450)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 14:35 YOW
        06:30 LHR
        10Hrs, 55m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 14:35 - LHR 06:30 10h 55m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 14:35
        YULMontreal Pierre Elliott Trudeau Int Airport 18:55
      • YULMontreal Pierre Elliott Trudeau Int Airport 15:23
        LHRLondon Heathrow Airport 06:30
      • 10h 55m (3h 32m)
      • 1 Stop YUL · Montréal 3h 32m
      • Air Canada (AC 476)Boeing 737 Max 8 Passenger
        Air Canada (AC 866)Boeing 787 9
      • Air Canada (AC 476)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 14:35 YOW
        06:30 LHR
        10Hrs, 55m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 14:35 - LHR 06:30 10h 55m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 14:35
        YULMontreal Pierre Elliott Trudeau Int Airport 18:55
      • YULMontreal Pierre Elliott Trudeau Int Airport 15:23
        LHRLondon Heathrow Airport 06:30
      • 10h 55m (3h 32m)
      • 1 Stop YUL · Montréal 3h 32m
      • Air Canada (AC 476)Airbus A220 300
        Air Canada (AC 866)Boeing 787 9
      • Air Canada (AC 476)
        • -
        • -
        • W
        • -
        • F
        • S
        • S
      • 07:05 ZRH
        15:23 YUL
        12Hrs, 20m 1 Stop (LHR)
      • ZRHZurich Airport 07:05 - YUL 15:23 12h 20m 1 Stop (LHR) London
      • ZRHZurich Airport 07:05
        YOWOttawa McDonald Cartier Intl Airport 14:35
      • LHRLondon Heathrow Airport 07:55
        YULMontreal Pierre Elliott Trudeau Int Airport 15:23
      • 12h 20m (2h 12m)
      • 1 Stop LHR · London 2h 12m
      • Swiss (LX 316)Airbus A320 Neo
        Air Canada (AC 476)Airbus A220 300
      • Swiss (LX 316)
        • -
        • -
        • -
        • -
        • F
        • S
        • -
      • 07:05 ZRH
        15:23 YUL
        12Hrs, 20m 1 Stop (LHR)
      • ZRHZurich Airport 07:05 - YUL 15:23 12h 20m 1 Stop (LHR) London
      • ZRHZurich Airport 07:05
        YOWOttawa McDonald Cartier Intl Airport 14:35
      • LHRLondon Heathrow Airport 07:55
        YULMontreal Pierre Elliott Trudeau Int Airport 15:23
      • 12h 20m (2h 12m)
      • 1 Stop LHR · London 2h 12m
      • Swiss (LX 316)Airbus A321 Neo
        Air Canada (AC 476)Airbus A220 300
      • Swiss (LX 316)
        • -
        • -
        • W
        • -
        • -
        • -
        • S
      • 07:05 ZRH
        15:23 YUL
        12Hrs, 20m 1 Stop (LHR)
      • ZRHZurich Airport 07:05 - YUL 15:23 12h 20m 1 Stop (LHR) London
      • ZRHZurich Airport 07:05
        YOWOttawa McDonald Cartier Intl Airport 14:35
      • LHRLondon Heathrow Airport 07:55
        YULMontreal Pierre Elliott Trudeau Int Airport 15:23
      • 12h 20m (2h 12m)
      • 1 Stop LHR · London 2h 12m
      • Swiss (LX 316)Airbus A321 Neo
        Air Canada (AC 476)Boeing 737 Max 8 Passenger
      • Swiss (LX 316)
        • M
        • T
        • -
        • T
        • -
        • -
        • -
      • 14:45 YOW
        06:55 LHR
        11Hrs, 10m 1 Stop (IAD)
      • YOWOttawa McDonald Cartier Intl Airport 14:45 - LHR 06:55 11h 10m 1 Stop (IAD) Washington
      • YOWOttawa McDonald Cartier Intl Airport 14:45
        IADWashington Dulles International Airport 18:30
      • IADWashington Dulles International Airport 16:29
        LHRLondon Heathrow Airport 06:55
      • 11h 10m (2h 01m)
      • 1 Stop IAD · Washington 2h 01m
      • United Airlines (UA 4441)Canadair Regional Jet 550
        United Airlines (UA 918)Boeing 777
      • United Airlines (UA 4441)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 15:55 YOW
        08:35 LHR
        11Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 15:55 - LHR 08:35 11h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 15:55
        YYZToronto Lester B Pearson Intl Airport 20:30
      • YYZToronto Lester B Pearson Intl Airport 17:00
        LHRLondon Heathrow Airport 08:35
      • 11h 40m (3h 30m)
      • 1 Stop YYZ · Toronto 3h 30m
      • Air Canada (AC 461)Airbus A220 300
        Air Canada (AC 856)Boeing 787 9
      • Air Canada (AC 461)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 15:55 YOW
        09:35 LHR
        12Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 15:55 - LHR 09:35 12h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 15:55
        YYZToronto Lester B Pearson Intl Airport 21:05
      • YYZToronto Lester B Pearson Intl Airport 17:00
        LHRLondon Heathrow Airport 09:35
      • 12h 40m (4h 05m)
      • 1 Stop YYZ · Toronto 4h 05m
      • Air Canada (AC 461)Airbus
        Air Canada (AC 852)Airbus Industrie 330 300
      • Air Canada (AC 461)
        • -
        • T
        • -
        • -
        • -
        • -
        • S
      • 15:55 YOW
        08:35 LHR
        11Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 15:55 - LHR 08:35 11h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 15:55
        YYZToronto Lester B Pearson Intl Airport 20:30
      • YYZToronto Lester B Pearson Intl Airport 17:00
        LHRLondon Heathrow Airport 08:35
      • 11h 40m (3h 30m)
      • 1 Stop YYZ · Toronto 3h 30m
      • Air Canada (AC 461)Airbus
        Air Canada (AC 856)Boeing 787 9
      • Air Canada (AC 461)
        • M
        • T
        • -
        • T
        • -
        • -
        • S
      • 15:55 YOW
        09:35 LHR
        12Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 15:55 - LHR 09:35 12h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 15:55
        YYZToronto Lester B Pearson Intl Airport 21:20
      • YYZToronto Lester B Pearson Intl Airport 17:00
        LHRLondon Heathrow Airport 09:35
      • 12h 40m (4h 20m)
      • 1 Stop YYZ · Toronto 4h 20m
      • Air Canada (AC 461)Airbus
        Air Canada (AC 852)Boeing 777 200 Lr
      • Air Canada (AC 461)
        • M
        • -
        • W
        • T
        • -
        • S
        • -
      • 15:55 YOW
        09:35 LHR
        12Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 15:55 - LHR 09:35 12h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 15:55
        YYZToronto Lester B Pearson Intl Airport 21:20
      • YYZToronto Lester B Pearson Intl Airport 17:00
        LHRLondon Heathrow Airport 09:35
      • 12h 40m (4h 20m)
      • 1 Stop YYZ · Toronto 4h 20m
      • Air Canada (AC 461)Airbus A220 300
        Air Canada (AC 852)Boeing 777 200 Lr
      • Air Canada (AC 461)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
      • 16:05 YOW
        06:30 LHR
        9Hrs, 25m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 16:05 - LHR 06:30 9h 25m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 16:05
        YULMontreal Pierre Elliott Trudeau Int Airport 18:55
      • YULMontreal Pierre Elliott Trudeau Int Airport 16:54
        LHRLondon Heathrow Airport 06:30
      • 9h 25m (2h 01m)
      • 1 Stop YUL · Montréal 2h 01m
      • Air Canada (AC 8012)Canadair Regional
        Air Canada (AC 866)Boeing 787 9
      • Air Canada (AC 8012)
        • -
        • T
        • W
        • -
        • F
        • S
        • S
      • 20:50 EWR
        16:54 YUL
        12Hrs, 15m 1 Stop (LHR)
      • EWRNewark Liberty International Airport 20:50 - YUL 16:54 12h 15m 1 Stop (LHR) London
      • EWRNewark Liberty International Airport 20:50
        YOWOttawa McDonald Cartier Intl Airport 16:05
      • LHRLondon Heathrow Airport 09:20
        YULMontreal Pierre Elliott Trudeau Int Airport 16:54
      • 12h 15m (2h 10m)
      • 1 Stop LHR · London 2h 10m
      • United Airlines (UA 904)Boeing 767
        Air Canada (AC 8012)Canadair Regional
      • United Airlines (UA 904)
        • M
        • T
        • -
        • T
        • F
        • S
        • S
      • 16:05 YOW
        10:00 LHR
        12Hrs, 55m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 16:05 - LHR 10:00 12h 55m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 16:05
        YULMontreal Pierre Elliott Trudeau Int Airport 22:25
      • YULMontreal Pierre Elliott Trudeau Int Airport 16:54
        LHRLondon Heathrow Airport 10:00
      • 12h 55m (5h 31m)
      • 1 Stop YUL · Montréal 5h 31m
      • Air Canada (AC 8012)Canadair Regional
        Air Canada (AC 864)Boeing 787 9
      • Air Canada (AC 8012)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 16:40 YOW
        10:45 LGW
        13Hrs, 05m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 16:40 - LGW 10:45 13h 05m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 16:40
        YYZToronto Lester B Pearson Intl Airport 22:45
      • YYZToronto Lester B Pearson Intl Airport 17:48
        LGWLondon Gatwick Airport 10:45
      • 13h 05m (4h 57m)
      • 1 Stop YYZ · Toronto 4h 57m
      • Porter Airlines (PD 168)Embraer 195 E2
        Air Transat (TS 122)Airbus Industrie A330 200
      • Porter Airlines (PD 168)
        • M
        • T
        • W
        • T
        • F
        • -
        • -
      • 09:30 AMS
        06:05 CDG
        11Hrs, 15m 1 Stop (LCY)
      • AMSAmsterdam Airport 09:30 - CDG 06:05 11h 15m 1 Stop (LCY) London
      • AMSAmsterdam Airport 09:30
        YOWOttawa McDonald Cartier Intl Airport 17:15
      • LCYLondon City Airport 09:30
        CDGParis Charles de Gaulle Airport 06:05
      • 11h 15m (2h)
      • 1 Stop LCY · London 2h
      • KLM (KL 983)Embraer Emb E90
        Air France (AF 327)Boeing 777 200
      • KLM (KL 983)
        • M
        • -
        • -
        • -
        • -
        • -
        • -
      • 17:15 YOW
        08:00 LHR
        9Hrs, 45m 1 Stop (CDG)
      • YOWOttawa McDonald Cartier Intl Airport 17:15 - LHR 08:00 9h 45m 1 Stop (CDG) Paris
      • YOWOttawa McDonald Cartier Intl Airport 17:15
        CDGParis Charles de Gaulle Airport 07:35
      • CDGParis Charles de Gaulle Airport 06:05
        LHRLondon Heathrow Airport 08:00
      • 9h 45m (1h 30m)
      • 1 Stop CDG · Paris 1h 30m
      • Air France (AF 327)Boeing 777 300 Er
        Air France (AF 1680)Airbus A220 300
      • Air France (AF 327)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 17:15 YOW
        08:00 LHR
        9Hrs, 45m 1 Stop (CDG)
      • YOWOttawa McDonald Cartier Intl Airport 17:15 - LHR 08:00 9h 45m 1 Stop (CDG) Paris
      • YOWOttawa McDonald Cartier Intl Airport 17:15
        CDGParis Charles de Gaulle Airport 07:35
      • CDGParis Charles de Gaulle Airport 06:05
        LHRLondon Heathrow Airport 08:00
      • 9h 45m (1h 30m)
      • 1 Stop CDG · Paris 1h 30m
      • Air France (AF 327)Boeing 777 200
        Air France (AF 1680)Airbus A220 300
      • Air France (AF 327)
        • M
        • -
        • W
        • -
        • F
        • -
        • S
      • 09:30 AMS
        06:05 CDG
        11Hrs, 15m 1 Stop (LCY)
      • AMSAmsterdam Airport 09:30 - CDG 06:05 11h 15m 1 Stop (LCY) London
      • AMSAmsterdam Airport 09:30
        YOWOttawa McDonald Cartier Intl Airport 17:15
      • LCYLondon City Airport 09:30
        CDGParis Charles de Gaulle Airport 06:05
      • 11h 15m (2h)
      • 1 Stop LCY · London 2h
      • KLM (KL 983)Embraer Emb E90
        Air France (AF 327)Boeing 777 300 Er
      • KLM (KL 983)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 17:15 YOW
        10:30 LHR
        12Hrs, 15m 1 Stop (CDG)
      • YOWOttawa McDonald Cartier Intl Airport 17:15 - LHR 10:30 12h 15m 1 Stop (CDG) Paris
      • YOWOttawa McDonald Cartier Intl Airport 17:15
        CDGParis Charles de Gaulle Airport 10:00
      • CDGParis Charles de Gaulle Airport 06:05
        LHRLondon Heathrow Airport 10:30
      • 12h 15m (3h 55m)
      • 1 Stop CDG · Paris 3h 55m
      • Air France (AF 327)Boeing 777 200
        Air France (AF 1580)Airbus A220 300
      • Air France (AF 327)
        • M
        • -
        • W
        • -
        • F
        • -
        • S
      • 17:15 YOW
        10:30 LHR
        12Hrs, 15m 1 Stop (CDG)
      • YOWOttawa McDonald Cartier Intl Airport 17:15 - LHR 10:30 12h 15m 1 Stop (CDG) Paris
      • YOWOttawa McDonald Cartier Intl Airport 17:15
        CDGParis Charles de Gaulle Airport 10:00
      • CDGParis Charles de Gaulle Airport 06:05
        LHRLondon Heathrow Airport 10:30
      • 12h 15m (3h 55m)
      • 1 Stop CDG · Paris 3h 55m
      • Air France (AF 327)Boeing 777 300 Er
        Air France (AF 1580)Airbus A220 300
      • Air France (AF 327)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 09:30 AMS
        06:05 CDG
        11Hrs, 15m 1 Stop (LCY)
      • AMSAmsterdam Airport 09:30 - CDG 06:05 11h 15m 1 Stop (LCY) London
      • AMSAmsterdam Airport 09:30
        YOWOttawa McDonald Cartier Intl Airport 17:15
      • LCYLondon City Airport 09:30
        CDGParis Charles de Gaulle Airport 06:05
      • 11h 15m (2h)
      • 1 Stop LCY · London 2h
      • KLM (KL 983)Embraer Emb E90
        Air France (AF 327)Boeing 777 200
      • KLM (KL 983)
        • -
        • -
        • W
        • -
        • F
        • -
        • S
      • 17:25 YOW
        11:45 LHR
        13Hrs, 20m 1 Stop (ORD)
      • YOWOttawa McDonald Cartier Intl Airport 17:25 - LHR 11:45 13h 20m 1 Stop (ORD) Chicago
      • YOWOttawa McDonald Cartier Intl Airport 17:25
        ORDChicago O'Hare International Airport 21:20
      • ORDChicago O'Hare International Airport 18:54
        LHRLondon Heathrow Airport 11:45
      • 13h 20m (2h 26m)
      • 1 Stop ORD · Chicago 2h 26m
      • United Airlines (UA 3659)Embraer 175
        United Airlines (UA 938)Boeing 767
      • United Airlines (UA 3659)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 17:55 YOW
        09:35 LHR
        10Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:55 - LHR 09:35 10h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:55
        YYZToronto Lester B Pearson Intl Airport 21:05
      • YYZToronto Lester B Pearson Intl Airport 19:05
        LHRLondon Heathrow Airport 09:35
      • 10h 40m (2h)
      • 1 Stop YYZ · Toronto 2h
      • Air Canada (AC 465)Airbus
        Air Canada (AC 852)Airbus Industrie 330 300
      • Air Canada (AC 465)
        • -
        • T
        • -
        • -
        • -
        • -
        • -
      • 17:55 YOW
        11:50 LHR
        12Hrs, 55m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:55 - LHR 11:50 12h 55m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:55
        YYZToronto Lester B Pearson Intl Airport 23:35
      • YYZToronto Lester B Pearson Intl Airport 19:05
        LHRLondon Heathrow Airport 11:50
      • 12h 55m (4h 30m)
      • 1 Stop YYZ · Toronto 4h 30m
      • Air Canada (AC 465)Airbus
        Air Canada (AC 858)Boeing 777 300 Er
      • Air Canada (AC 465)
        • M
        • T
        • -
        • T
        • -
        • -
        • -
      • 17:55 YOW
        11:50 LHR
        12Hrs, 55m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:55 - LHR 11:50 12h 55m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:55
        YYZToronto Lester B Pearson Intl Airport 23:35
      • YYZToronto Lester B Pearson Intl Airport 19:05
        LHRLondon Heathrow Airport 11:50
      • 12h 55m (4h 30m)
      • 1 Stop YYZ · Toronto 4h 30m
      • Air Canada (AC 465)Airbus
        Air Canada (AC 858)Boeing 777 300 Er
      • Air Canada (AC 465)
        • -
        • -
        • W
        • -
        • F
        • S
        • S
      • 17:55 YOW
        09:35 LHR
        10Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:55 - LHR 09:35 10h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:55
        YYZToronto Lester B Pearson Intl Airport 21:20
      • YYZToronto Lester B Pearson Intl Airport 19:05
        LHRLondon Heathrow Airport 09:35
      • 10h 40m (2h 15m)
      • 1 Stop YYZ · Toronto 2h 15m
      • Air Canada (AC 465)Airbus
        Air Canada (AC 852)Boeing 777 200 Lr
      • Air Canada (AC 465)
        • M
        • -
        • -
        • T
        • -
        • -
        • -
      • 17:55 YOW
        09:35 LHR
        10Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:55 - LHR 09:35 10h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:55
        YYZToronto Lester B Pearson Intl Airport 21:20
      • YYZToronto Lester B Pearson Intl Airport 19:05
        LHRLondon Heathrow Airport 09:35
      • 10h 40m (2h 15m)
      • 1 Stop YYZ · Toronto 2h 15m
      • Air Canada (AC 465)Airbus
        Air Canada (AC 852)Boeing 777 200 Lr
      • Air Canada (AC 465)
        • -
        • -
        • W
        • -
        • F
        • S
        • -
      • 17:55 YOW
        09:35 LHR
        10Hrs, 40m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 17:55 - LHR 09:35 10h 40m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 17:55
        YYZToronto Lester B Pearson Intl Airport 21:05
      • YYZToronto Lester B Pearson Intl Airport 19:05
        LHRLondon Heathrow Airport 09:35
      • 10h 40m (2h)
      • 1 Stop YYZ · Toronto 2h
      • Air Canada (AC 465)Airbus
        Air Canada (AC 852)Airbus Industrie 330 300
      • Air Canada (AC 465)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • 18:00 YOW
        10:45 LGW
        11Hrs, 45m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 18:00 - LGW 10:45 11h 45m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 18:00
        YYZToronto Lester B Pearson Intl Airport 22:45
      • YYZToronto Lester B Pearson Intl Airport 19:08
        LGWLondon Gatwick Airport 10:45
      • 11h 45m (3h 37m)
      • 1 Stop YYZ · Toronto 3h 37m
      • Porter Airlines (PD 168)Embraer 195 E2
        Air Transat (TS 122)Airbus Industrie A330 200
      • Porter Airlines (PD 168)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • 18:15 YOW
        10:10 LHR
        10Hrs, 55m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 18:15 - LHR 10:10 10h 55m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 18:15
        EWRNewark Liberty International Airport 21:40
      • EWRNewark Liberty International Airport 19:59
        LHRLondon Heathrow Airport 10:10
      • 10h 55m (1h 41m)
      • 1 Stop EWR · New York City 1h 41m
      • United Airlines (UA 3691)Embraer 175
        United Airlines (UA 940)Boeing 767
      • United Airlines (UA 3691)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 18:15 YOW
        09:20 LHR
        10Hrs, 05m 1 Stop (EWR)
      • YOWOttawa McDonald Cartier Intl Airport 18:15 - LHR 09:20 10h 05m 1 Stop (EWR) New York City
      • YOWOttawa McDonald Cartier Intl Airport 18:15
        EWRNewark Liberty International Airport 20:50
      • EWRNewark Liberty International Airport 19:59
        LHRLondon Heathrow Airport 09:20
      • 10h 05m (51m)
      • 1 Stop EWR · New York City 51m
      • United Airlines (UA 3691)Embraer 175
        United Airlines (UA 904)Boeing 767
      • United Airlines (UA 3691)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 18:40 YOW
        10:00 LHR
        10Hrs, 20m 1 Stop (YUL)
      • YOWOttawa McDonald Cartier Intl Airport 18:40 - LHR 10:00 10h 20m 1 Stop (YUL) Montréal
      • YOWOttawa McDonald Cartier Intl Airport 18:40
        YULMontreal Pierre Elliott Trudeau Int Airport 22:25
      • YULMontreal Pierre Elliott Trudeau Int Airport 19:26
        LHRLondon Heathrow Airport 10:00
      • 10h 20m (2h 59m)
      • 1 Stop YUL · Montréal 2h 59m
      • Air Canada (AC 8014)Dehavilland Dash 8 400
        Air Canada (AC 864)Boeing 787 9
      • Air Canada (AC 8014)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 19:29 YOW
        10:40 LHR
        10Hrs, 11m 1 Stop (IAD)
      • YOWOttawa McDonald Cartier Intl Airport 19:29 - LHR 10:40 10h 11m 1 Stop (IAD) Washington
      • YOWOttawa McDonald Cartier Intl Airport 19:29
        IADWashington Dulles International Airport 22:15
      • IADWashington Dulles International Airport 21:13
        LHRLondon Heathrow Airport 10:40
      • 10h 11m (1h 02m)
      • 1 Stop IAD · Washington 1h 02m
      • United Airlines (UA 4455)Canadair Regional Jet 550
        United Airlines (UA 924)Boeing 777
      • United Airlines (UA 4455)
        • M
        • T
        • W
        • T
        • F
        • S
        • S
      • 19:55 YOW
        11:50 LHR
        10Hrs, 55m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 19:55 - LHR 11:50 10h 55m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 19:55
        YYZToronto Lester B Pearson Intl Airport 23:35
      • YYZToronto Lester B Pearson Intl Airport 21:07
        LHRLondon Heathrow Airport 11:50
      • 10h 55m (2h 28m)
      • 1 Stop YYZ · Toronto 2h 28m
      • Air Canada (AC 469)Airbus
        Air Canada (AC 858)Boeing 777 300 Er
      • Air Canada (AC 469)
        • M
        • T
        • W
        • T
        • -
        • S
        • S
      • 19:55 YOW
        11:50 LHR
        10Hrs, 55m 1 Stop (YYZ)
      • YOWOttawa McDonald Cartier Intl Airport 19:55 - LHR 11:50 10h 55m 1 Stop (YYZ) Toronto
      • YOWOttawa McDonald Cartier Intl Airport 19:55
        YYZToronto Lester B Pearson Intl Airport 23:35
      • YYZToronto Lester B Pearson Intl Airport 21:07
        LHRLondon Heathrow Airport 11:50
      • 10h 55m (2h 28m)
      • 1 Stop YYZ · Toronto 2h 28m
      • Air Canada (AC 469)Airbus
        Air Canada (AC 858)Boeing 777 300 Er
      • Air Canada (AC 469)
        • -
        • -
        • -
        • -
        • F
        • -
        • -
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      What’s the fastest flight time from Ottawa to London?

      The fastest flight time for direct flights from Ottawa to London is 6 hours 35 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from Ottawa to London?

      The most popular airline flying from Ottawa to London is Air Canada. Find the latest flight deals on Wego.

      How far is London from Ottawa?

      The flight distance between Ottawa and London is 5361km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 06:55. The last flight of the day departs at 21:00. See the full list of flight times on Wego.

      How many airlines offer direct flights from Ottawa to London?

      There are 1 airlines that offer direct flights from Ottawa to London. Find out the list of airlines on Wego.

      Popular Airlines Flying From Ottawa to London

      Air Canada ‏()

      Popular Destinations From London

      Popular Destinations From Ottawa

      Popular Hotels in London

      Hotels In Popular Destinations