Cheap flights Chicago — Saint Louis (CHI — STL)

Good to know - Cheap tickets Chicago — Saint Louis

Cheapest flight found $56
Minimal flight time 50m
Flight distance 422 km
Most popular airline UPS

Airfare Chicago – Saint Louis by month

Here you can find out in what months how much a ticket Chicago – Saint Louis costs to buy cheap plane tickets.

Month One-way Round-trip
March 2026
January 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Chicago — Saint Louis

Departure Arrival Flight days Flight Airlines Flight time Airports
03:30 04:23 tue, wed, thu, fri 5X634 UPS 53m Chicago Rockford International Airport — Lambert-St. Louis International Airport Select dates
03:30 04:30 thu 5X634 UPS 1h 0m Chicago Rockford International Airport — Lambert-St. Louis International Airport Select dates
03:30 04:28 tue 5X634 UPS 58m Chicago Rockford International Airport — Lambert-St. Louis International Airport Select dates
05:20 06:35 sun WN4089 Southwest Airlines 1h 15m Chicago Midway International Airport — Lambert-St. Louis International Airport Select dates
06:20 07:35 mon, tue, wed, thu WN4089 Southwest Airlines 1h 15m Chicago Midway International Airport — Lambert-St. Louis International Airport Select dates
06:20 07:11 tue 5X9311 UPS 51m Chicago Rockford International Airport — Lambert-St. Louis International Airport Select dates
06:30 07:40 sat WN3906 Southwest Airlines 1h 10m Chicago Midway International Airport — Lambert-St. Louis International Airport Select dates
06:41 08:08 thu AA6248 SkyWest Airlines 1h 27m O'Hare International Airport — Lambert-St. Louis International Airport Select dates
06:41 08:08 mon, sun AA6248 American Airlines 1h 27m O'Hare International Airport — Lambert-St. Louis International Airport Select dates
06:44 08:09 thu, fri, sat AA4970 SkyWest Airlines 1h 25m O'Hare International Airport — Lambert-St. Louis International Airport Select dates
All routes

Flights Chicago — Saint Louis

The selection of cheap flights Chicago — Saint Louis

Here you can find and purchase the cheapest flights Chicago — Saint Louis from $56 and Chicago — Saint Louis — Chicago from $62.

The price of the flight Chicago — Saint Louis (United States) — Chicago from $62 (round-trip).

The average price of the flight Chicago — Saint Louis (United States) — Chicago $301 (round-trip).

Low cost flights Chicago — Saint Louis (CHI — STL)

The distance between Chicago and Saint Louis 262 miles (or 422 kilometres).

The time difference between Chicago and Saint Louis is 0 h.

Minimal flight time from Chicago to Saint Louis 50m.

LowCostClub always do a comparison of airfares Chicago — Saint Louis with several airlines (include UPS, Southwest Airlines, SkyWest Airlines). They will always give you all available options so you can find the cheapest flight to Saint Louis. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Chicago — Saint Louis. Last week, for instance, the cheapest round-trip prices stood at $62 while the cheapest one-way price that was available within the last week cost $56

Routes from nearby cities to Saint Louis

A flight from a neighbouring city can help you save money on plane tickets.

Most often, departures to Saint Louis are from Milwaukee, this is the cheapest flight from $78. The nearest airports from Chicago with a flight to Saint Louis are located in Peoria.

Popular International routes from Chicago

Popular routes from Saint Louis

If you are going to fly from Saint Louis, then study the popular flights. The most popular flights from Saint Louis:

Popular domestic routes from Chicago

FAQ about Chicago — Saint Louis

Yes, they do: 5X634, WN4089, 5X9311, WN3906, AA6248, AA4970, AA6471, WN3788, WN2591, UA4613, WN4355, UA5357, AA6332, WN2333, UA3680, UA3495, WN4198, AA3764, WN2569, WN3207, AA6359, UA2618, AA4595, WN1021, AA4572, YX4572, UA3525, AA4924, AA6204, UA4186, G74186, AA6440, UA4416, DL8946, AA4803, WN2924, WN2799, WN2390, UA4185, WN4503, WN1436, UA4487, AA4576, AA4282, WN1921

Yes, you can fly from Chicago to Saint Louis. Chicago has 8 airports (Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport) for flights. UPS, Southwest Airlines, SkyWest Airlines, American Airlines, United Airlines, Republic Airways, GoJet , Delta Air Lines depart from Chicago on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Air Canada, Alaska Airlines, AlphaSky, Avelo Airlines, Contour Aviation, DHL, FedEx, Frontier (Pike the Sea Otter Livery), Japan Airlines, Jet Linx Aviation, Lufthansa, NetJets, Phoenix Air, Southern Airways Express, Spirit Airlines, Sun Country Airlines.

A direct flight lasts an average of 50m, during which time the aircraft covers a distance of 422 km.

The price of flights Chicago — Saint Louis starts from $56.

Planes fly Chicago — Saint Louis 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport. In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport.

The following flights fly between Chicago and Saint Louis: 5X634, 5X634, 5X634, WN4089, WN4089, 5X9311, WN3906, AA6248, AA6248, AA4970, AA4970, AA6471, WN4089, WN3906, AA6471, WN3788, WN2591, AA6471, WN3788, UA4613, WN4355, UA4613, UA5357, AA6332, WN2333, AA6332, AA6332, UA3680, UA3495, UA3495, WN4198, AA3764, WN2569, AA3764, WN3207, AA6359, UA2618, AA4595, AA4595, WN1021, WN2569, AA4595, AA4572, YX4572, AA4595, UA3525, WN2569, UA3525, WN3207, WN3207, AA4924, AA6204, UA4186, G74186, AA6440, AA4924, UA4416, UA4416, DL8946, AA4803, WN2924, WN2799, WN2799, WN2390, WN2799, UA4185, WN4503, WN2390, WN2799, WN1436, UA4487, AA4576, AA4282, AA4576, WN1921, WN4503

High season is considered to be and the cheapest month is . Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Chicago — Saint Louis flight deals.

The following airlines have direct flights Chicago — Saint Louis: UPS, Southwest Airlines, SkyWest Airlines, American Airlines, United Airlines, Republic Airways, GoJet , Delta Air Lines.

All the following airlines flights Chicago — Saint Louis: Air Canada, Alaska Airlines, AlphaSky, American Airlines, Avelo Airlines, Contour Aviation, Delta Air Lines, DHL, FedEx, Frontier (Pike the Sea Otter Livery), GoJet , Japan Airlines, Jet Linx Aviation, Lufthansa, NetJets, Phoenix Air, Republic Airways, SkyWest Airlines, Southern Airways Express, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United Airlines, UPS.

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