Flights from Chicago to Saint Louis from $40

Specify dates to find tickets:

Flights Schedule Cheap Tickets Airlines Airports

Airfare Deals Chicago to Saint Louis

On HolidayPrice.com you will find 5 direct and 0 connecting flights from Chicago to Saint Louis at a price of from $40. You can compare airfare deals from airlines and multiple travel sites, book and save on cheap plane tickets and last minute offers. Also check out CHI - STL flight schedule to find best flight time, convenient departure and arrival airports.

Sun

The cost of airline tickets from Chicago to Saint Louis (United States) and back without transfers can be found with the help of the calendar. Specify the search parameters: one way or round-trip, payment currency, click on the month/day you need and we will search for flights to Saint Louis.

You might be interested in this:

Cheap flights from Chicago
Cheap flights to Saint Louis
Airline tickets to United States

One way flight from Chicago to Saint Louis

Below are the prices of tickets for direct one-way flights from Chicago to Saint Louis. The cheapest flight from Chicago to Saint Louis starts from $40 – the departure date for this flight is 05 November 2025.

Sort by: Departure date Cheap flights Fast flights Direct flights

01.07.2025 Tuesday

from $136 City.Travel

Economy Found yesterday

1 Stopover 3 hours 55 min

Find Flights

*Prices include: baggage, hand luggage, airline fees and charges.

Round trip from Chicago to Saint Louis

You can buy a round-trip ticket from Chicago to Saint Louis (United States) and back using the table below. The best offer starts from $129, the flight dates are: there on 04 September 2025 year and back on 19 September 2025 year.

Sort by: Departure date Cheap flights Trip time Direct flights

Southwest Airlines WN 3602 Evening flight

Departure 04.09.25 19:35, Th

Direct Trip 15 days

Return 20.09.25 00:20, Sa

Find Flights from $130

*Prices include: baggage, hand luggage, airline fees and charges.

Not found promotions and sales.

Flight Schedule Chicago to Saint Louis 2025

The current flight schedule for the route from Chicago to Saint Louis for today, tomorrow and the next few days. This schedule will help you decide on the time of departure and arrival, the airline, the flight number and the day of the week.

More than 7 flights every day, from 1hours 10min. Local departure and arrival times are indicated.

05:20 → 06:30

Southwest Airlines WN3936

MDW → STL

- Tu We - - - -

Check price

05:25 → 06:35

Southwest Airlines WN3936

MDW → STL

Mo - - Th Fr - -

Check price

07:05 → 08:15

Southwest Airlines WN2433

MDW → STL

- Tu We - - - -

Check price

07:35 → 08:45

Southwest Airlines WN3415

MDW → STL

Mo - - Th Fr - -

Check price

07:40 → 08:50

Southwest Airlines WN3415

MDW → STL

- - - - - - Su

Check price

08:15 → 09:30

Southwest Airlines WN3415

MDW → STL

- - - - - Sa -

Check price

11:00 → 12:10

Southwest Airlines WN1700

MDW → STL

- Tu We - - - Su

Check price

11:10 → 12:20

Southwest Airlines WN2433

MDW → STL

Mo - - Th Fr - -

Check price

13:35 → 14:45

Southwest Airlines WN537

MDW → STL

- - - - - - Su

Check price

13:50 → 15:00

Southwest Airlines WN1700

MDW → STL

Mo - - Th Fr - -

Check price

14:00 → 15:10

Southwest Airlines WN3038

MDW → STL

- Tu We - - - -

Check price

14:06 → 15:30

United Airlines UA2618

ORD → STL

Mo Tu We Th Fr Sa Su

Check price

Show all

*Schedule is indicated only for direct scheduled flights and low-cost airlines.

Flight Information

Flying to Saint Louis from Chicago takes 01:04 minutes (excluding transfers). The distance between Chicago and Saint Louis is 262 miles (422 kilometers). Planes depart from Chicago between 00:00 and 23:50. The fastest flight from the company United Airlines with flight number UA 4271. Flies for just 01:00 minutes with departure from O'Hare and arrival in Spirit of St. Louis Airport.

Airlines

Direct flight

There are 5 airlines that fly directly from Chicago to Saint Louis. The most popular company carrying out non-stop flights is Southwest Airlines.

Southwest Airlines: WN 3341, WN 5531, WN 2523
United Airlines: UA 662, UA 1238, UA 5542
American Airlines: AA 1585, AA 5127, AA 3475
Cape Air: 9K 1532
Aer Lingus: EI 6382, EI 6383

*Flight number

Flights with Transfers

Flights with transfers from Chicago to Saint Louis can be bought from 0 airlines:

*Transit cities

Airports

Airports serving the air communication between Chicago and Saint Louis. You can fly to Saint Louis from 2 Chicago airports. Planes arrive at 1 airport in Saint Louis.

Chicago airports:

Chicago Midway ~ 14 km* from $ 218O'Hare ~ 25 km* from $ 55

Saint Louis airports:

Spirit of St. Louis Airport ~ 20 km* from $ 2 722

*Distance from the airport to the city center

Aircraft

You can fly from Chicago to Saint Louis on board of 5 airlines that utilize 13 aircraft models.

Airbus A319
Airbus A320
Boeing 737-700
Boeing 737-800
Boeing 737-900

Canadair reg jet 700
Canadair regional jet
Cessna Light Aircraft
Embraer 170
Embraer 175

Embraer EMB 175
Embraer ERJ-135/140/145 Regional Jet
Embraer RJ145

Connecting cities

The list of cities on transfer flights to Saint Louis from Chicago. The best options are to fly through: .

Cheap airline tickets from Chicago to United States

Here is a list of flights from Chicago to United States purchased on HolidayPrice.com in the past 48 hours. If you find an interesting offer for cheap tickets, do not delay your purchase, prices change every 15 minutes.

Chicago - New York AA 2382 American Airlines Boeing 737-800

01:13 O'Hare

in a way 1 hours 47 min Direct

03:00 Newark Liberty

Flights
from $43 02 July 2025

Chicago - Los Angeles AA 2744 American Airlines Airbus A321

20:03 O'Hare

in a way 3 hours 57 min Direct

00:00 Los Angeles

Flights
from $68 19 July 2025

Chicago - Miami WN 1909 Southwest Airlines Boeing 737-700

13:40 Chicago Midway

in a way 2 hours 55 min Direct

16:35 Fort Lauderdale Executive Airport

Flights
from $48 19 July 2025

Chicago - San Francisco AA 1312 American Airlines Boeing 737-800

17:55 O'Hare

in a way 4 hours 5 min Direct

22:00 Norman Y. Mineta San Jose

Flights
from $97 20 August 2025

Chicago - Boston UA 1420 United Airlines Airbus A320

17:05 O'Hare

in a way 1 hours 55 min Direct

19:00 Boston RT128 Railway

Flights
from $55 01 August 2025

All flights from Chicago

Flights from United States to Saint Louis

Here are the cheapest flight bookings from United States to Saint Louis made by users of our website. If you didn’t find your flight destination, use the search bar at the top of the page.

New York - Saint Louis DL 3310 Delta Air Lines Canadair Regional Jet 900

23:42 LaGuardia

in a way 2 hours 18 min Direct

02:00 Spirit of St. Louis Airport

Flights
from $71 20 September 2025

Los Angeles - Saint Louis WN 3999 Southwest Airlines Boeing 737-800

05:05 Los Angeles

in a way 3 hours 25 min Direct

08:30 Spirit of St. Louis Airport

Flights
Find 04 July 2025

Miami - Saint Louis WN 3426 Southwest Airlines Boeing 737

15:25 Fort Lauderdale Executive Airport

in a way 2 hours 45 min Direct

18:10 Spirit of St. Louis Airport

Flights
Find 04 July 2025

Chicago - Saint Louis UA 4271 United Airlines Embraer ERJ-135/140/145 Regional Jet

18:00 O'Hare

in a way 1 hours 0 min Direct

19:00 Spirit of St. Louis Airport

Flights
from $40 05 November 2025

San Francisco - Saint Louis WN 4941 Southwest Airlines Boeing 737-700

17:25 Auckland Airport

in a way 3 hours 40 min Direct

21:05 Spirit of St. Louis Airport

Flights
from $159 17 September 2025

All flights to Saint Louis

Tips for buying a ticket

Chicago – Saint Louis – Chicago round-trip route are always cheaper than tickets purchased there and back separately.

Cheap flights from Chicago to Saint Louis — Saint Louis city

To start searching for tickets, Specify dates.