Fare Guide

Estimated lowest fares found within 7 days

Cheapest Airline United Airlines

The cheapest airline(s) flying from Saint Louis to Chicago is United Airlines.

  • United Airlines United Airlines
  • American Airlines American Airlines
  • Southwest Airlines Southwest Airlines
  • Alaska Airlines Alaska Airlines
Cheapest Month June

Travel Period: February 2025 - January 2026

The cheapest month(s) to fly from Saint Louis to Chicago is June.

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

The cheapest day(s) of the week to fly from Saint Louis to Chicago is Friday.

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

Flight Schedules

Last Updated: Thu, 2 Jan, 2025

  • Time Earliest
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    All
    • Airline Filter by Airline
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      • Availability
        • M
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      • 18:40 STL
        19:50 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 18:40 - MDW 19:50 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 18:40
      • MDWChicago Midway Airport 19:50
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 1253)Boeing 737 700
      • Southwest Airlines (WN 1253)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 700
      • 18:55 STL
        20:05 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 18:55 - MDW 20:05 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 18:55
      • MDWChicago Midway Airport 20:05
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 1253)Boeing 737 700
      • Southwest Airlines (WN 1253)
        • -
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        • -
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      • Boeing 737 700
      • 22:45 STL
        23:55 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 22:45 - MDW 23:55 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 22:45
      • MDWChicago Midway Airport 23:55
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 652)Boeing 737 700
      • Southwest Airlines (WN 652)
        • -
        • -
        • -
        • -
        • -
        • S
        • -
      • Boeing 737 700
      • 05:00 STL
        06:35 ORD
        1Hrs, 35m Direct
      • STLSt Louis Lambert Intl Airport 05:00 - ORD 06:35 1h 35m Direct
      • STLSt Louis Lambert Intl Airport 05:00
      • ORDChicago O'Hare International Airport 06:35
      • 1h 35m
      • Direct
      • United Airlines (UA 4619)Canadair Regional Jet 550
      • United Airlines (UA 4619)
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      • Canadair Regional Jet 550
      • 05:35 STL
        06:45 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 05:35 - MDW 06:45 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 05:35
      • MDWChicago Midway Airport 06:45
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 3171)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 3171)
        • -
        • -
        • -
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        • -
        • S
        • -
      • Boeing 737 Max 8 Passenger
      • 05:36 STL
        07:05 ORD
        1Hrs, 29m Direct
      • STLSt Louis Lambert Intl Airport 05:36 - ORD 07:05 1h 29m Direct
      • STLSt Louis Lambert Intl Airport 05:36
      • ORDChicago O'Hare International Airport 07:05
      • 1h 29m
      • Direct
      • American Airlines (AA 629)Boeing 737 800
      • American Airlines (AA 629)
        • -
        • -
        • -
        • -
        • -
        • -
        • S
      • Boeing 737 800
      • 05:45 STL
        07:14 ORD
        1Hrs, 29m Direct
      • STLSt Louis Lambert Intl Airport 05:45 - ORD 07:14 1h 29m Direct
      • STLSt Louis Lambert Intl Airport 05:45
      • ORDChicago O'Hare International Airport 07:14
      • 1h 29m
      • Direct
      • American Airlines (AA 629)Boeing 737 800
      • American Airlines (AA 629)
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        • -
        • -
      • Boeing 737 800
      • 05:45 STL
        07:14 ORD
        1Hrs, 29m Direct
      • STLSt Louis Lambert Intl Airport 05:45 - ORD 07:14 1h 29m Direct
      • STLSt Louis Lambert Intl Airport 05:45
      • ORDChicago O'Hare International Airport 07:14
      • 1h 29m
      • Direct
      • American Airlines (AA 4782)Embraer Emb 175
      • American Airlines (AA 4782)
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      • Embraer Emb 175
      • 06:25 STL
        08:00 ORD
        1Hrs, 35m Direct
      • STLSt Louis Lambert Intl Airport 06:25 - ORD 08:00 1h 35m Direct
      • STLSt Louis Lambert Intl Airport 06:25
      • ORDChicago O'Hare International Airport 08:00
      • 1h 35m
      • Direct
      • United Airlines (UA 4428)Canadair Regional Jet 550
      • United Airlines (UA 4428)
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        • S
      • Canadair Regional Jet 550
      • 06:30 STL
        07:40 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 06:30 - MDW 07:40 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 06:30
      • MDWChicago Midway Airport 07:40
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 367)Boeing 737 800
      • Southwest Airlines (WN 367)
        • -
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        • -
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        • -
        • -
        • -
      • Boeing 737 800
      • 08:00 STL
        09:36 ORD
        1Hrs, 36m Direct
      • STLSt Louis Lambert Intl Airport 08:00 - ORD 09:36 1h 36m Direct
      • STLSt Louis Lambert Intl Airport 08:00
      • ORDChicago O'Hare International Airport 09:36
      • 1h 36m
      • Direct
      • United Airlines (UA 4183)Canadair Regional Jet 550
      • United Airlines (UA 4183)
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        • S
        • S
      • Canadair Regional Jet 550
      • 08:15 STL
        09:25 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 08:15 - MDW 09:25 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 08:15
      • MDWChicago Midway Airport 09:25
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 498)Boeing 737 700
      • Southwest Airlines (WN 498)
        • -
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        • -
      • Boeing 737 700
      • 10:35 STL
        12:05 ORD
        1Hrs, 30m Direct
      • STLSt Louis Lambert Intl Airport 10:35 - ORD 12:05 1h 30m Direct
      • STLSt Louis Lambert Intl Airport 10:35
      • ORDChicago O'Hare International Airport 12:05
      • 1h 30m
      • Direct
      • United Airlines (UA 4426)Canadair Regional Jet 550
      • United Airlines (UA 4426)
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        • S
      • Canadair Regional Jet 550
      • 10:40 STL
        11:50 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 10:40 - MDW 11:50 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 10:40
      • MDWChicago Midway Airport 11:50
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 2364)Boeing 737 800
      • Southwest Airlines (WN 2364)
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      • Boeing 737 800
      • 11:30 STL
        12:59 ORD
        1Hrs, 29m Direct
      • STLSt Louis Lambert Intl Airport 11:30 - ORD 12:59 1h 29m Direct
      • STLSt Louis Lambert Intl Airport 11:30
      • ORDChicago O'Hare International Airport 12:59
      • 1h 29m
      • Direct
      • United Airlines (UA 4383)Canadair Regional Jet 550
      • United Airlines (UA 4383)
        • M
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        • S
      • Canadair Regional Jet 550
      • 13:20 STL
        14:25 MDW
        1Hrs, 05m Direct
      • STLSt Louis Lambert Intl Airport 13:20 - MDW 14:25 1h 05m Direct
      • STLSt Louis Lambert Intl Airport 13:20
      • MDWChicago Midway Airport 14:25
      • 1h 05m
      • Direct
      • Southwest Airlines (WN 2906)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2906)
        • -
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        • -
      • Boeing 737 Max 8 Passenger
      • 13:35 STL
        14:40 MDW
        1Hrs, 05m Direct
      • STLSt Louis Lambert Intl Airport 13:35 - MDW 14:40 1h 05m Direct
      • STLSt Louis Lambert Intl Airport 13:35
      • MDWChicago Midway Airport 14:40
      • 1h 05m
      • Direct
      • Southwest Airlines (WN 2906)Boeing 737 800
      • Southwest Airlines (WN 2906)
        • -
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        • -
        • -
        • -
        • -
      • Boeing 737 800
      • 16:05 STL
        17:15 MDW
        1Hrs, 10m Direct
      • STLSt Louis Lambert Intl Airport 16:05 - MDW 17:15 1h 10m Direct
      • STLSt Louis Lambert Intl Airport 16:05
      • MDWChicago Midway Airport 17:15
      • 1h 10m
      • Direct
      • Southwest Airlines (WN 2973)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 2973)
        • -
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      • Boeing 737 Max 8 Passenger
      • 17:27 STL
        18:49 ORD
        1Hrs, 22m Direct
      • STLSt Louis Lambert Intl Airport 17:27 - ORD 18:49 1h 22m Direct
      • STLSt Louis Lambert Intl Airport 17:27
      • ORDChicago O'Hare International Airport 18:49
      • 1h 22m
      • Direct
      • United Airlines (UA 602)Boeing 737 800
      • United Airlines (UA 602)
        • -
        • -
        • -
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        • -
      • Boeing 737 800
      • 17:30 STL
        18:55 ORD
        1Hrs, 25m Direct
      • STLSt Louis Lambert Intl Airport 17:30 - ORD 18:55 1h 25m Direct
      • STLSt Louis Lambert Intl Airport 17:30
      • ORDChicago O'Hare International Airport 18:55
      • 1h 25m
      • Direct
      • United Airlines (UA 602)Boeing 737 Max 8 Passenger
      • United Airlines (UA 602)
        • M
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      • Boeing 737 Max 8 Passenger
      • 17:33 STL
        18:55 ORD
        1Hrs, 22m Direct
      • STLSt Louis Lambert Intl Airport 17:33 - ORD 18:55 1h 22m Direct
      • STLSt Louis Lambert Intl Airport 17:33
      • ORDChicago O'Hare International Airport 18:55
      • 1h 22m
      • Direct
      • United Airlines (UA 602)Boeing 737 800
      • United Airlines (UA 602)
        • -
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        • -
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        • -
        • -
        • -
      • Boeing 737 800
      • 20:40 STL
        00:25 MDW
        3Hrs, 45m 1 Stop (BNA)
      • STLSt Louis Lambert Intl Airport 20:40 - MDW 00:25 3h 45m 1 Stop (BNA) Nashville
      • STLSt Louis Lambert Intl Airport 20:40
        BNANashville Airport 22:50
      • BNANashville Airport 21:50
        MDWChicago Midway Airport 00:25
      • 3h 45m (1h)
      • 1 Stop BNA · Nashville 1h
      • Southwest Airlines (WN 4311)Boeing 737 700
        Southwest Airlines (WN 1647)Boeing 737 800
      • Southwest Airlines (WN 4311)
        • -
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        • -
      • 11:15 STL
        14:45 MDW
        3Hrs, 30m 1 Stop (MCI)
      • STLSt Louis Lambert Intl Airport 11:15 - MDW 14:45 3h 30m 1 Stop (MCI) Kansas City
      • STLSt Louis Lambert Intl Airport 11:15
        MCIKansas City International Airport 13:20
      • MCIKansas City International Airport 12:25
        MDWChicago Midway Airport 14:45
      • 3h 30m (55m)
      • 1 Stop MCI · Kansas City 55m
      • Southwest Airlines (WN 438)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 2689)Boeing 737 700
      • Southwest Airlines (WN 438)
        • -
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      • 12:30 STL
        16:05 MDW
        3Hrs, 35m 1 Stop (CMH)
      • STLSt Louis Lambert Intl Airport 12:30 - MDW 16:05 3h 35m 1 Stop (CMH) Columbus
      • STLSt Louis Lambert Intl Airport 12:30
        CMHColumbus Port Columbus Intl Airport 15:50
      • CMHColumbus Port Columbus Intl Airport 14:50
        MDWChicago Midway Airport 16:05
      • 3h 35m (1h)
      • 1 Stop CMH · Columbus 1h
      • Southwest Airlines (WN 1284)Boeing 737 700
        Southwest Airlines (WN 2791)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 1284)
        • -
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      • 14:05 STL
        17:20 MDW
        3Hrs, 15m 1 Stop (MCI)
      • STLSt Louis Lambert Intl Airport 14:05 - MDW 17:20 3h 15m 1 Stop (MCI) Kansas City
      • STLSt Louis Lambert Intl Airport 14:05
        MCIKansas City International Airport 15:55
      • MCIKansas City International Airport 15:10
        MDWChicago Midway Airport 17:20
      • 3h 15m (45m)
      • 1 Stop MCI · Kansas City 45m
      • Southwest Airlines (WN 3366)Boeing 737 Max 8 Passenger
        Southwest Airlines (WN 4928)Boeing 737 Max 8 Passenger
      • Southwest Airlines (WN 3366)
        • -
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      No Schedules Sorry, there are no schedules matching your filters. Try removing one. reset
      What’s the fastest flight time from Saint Louis to Chicago?

      The fastest flight time for direct flights from Saint Louis to Chicago is 1 hour 5 minutes. Check latest flight schedules & prices on Wego.

      What’s the most popular airline flying from Saint Louis to Chicago?

      The most popular airline flying from Saint Louis to Chicago is United Airlines. Find the latest flight deals on Wego.

      How far is Chicago from Saint Louis?

      The flight distance between Saint Louis and Chicago is 422km. Check all available flights on Wego.

      When is the earliest and latest flight of the day?

      The earliest flight of the day departs at 05:00. The last flight of the day departs at 18:40. See the full list of flight times on Wego.

      How many airlines offer direct flights from Saint Louis to Chicago?

      There are 3 airlines that offer direct flights from Saint Louis to Chicago. Find out the list of airlines on Wego.

      All Airports in Saint Louis

      St Louis Lambert Intl Airport STL

      Popular Airlines Flying From Saint Louis to Chicago

      United Airlines ‏()

      Popular Destinations From Chicago

      Popular Destinations From Saint Louis

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