Chicago to Saint Louis Flight Tickets

Compare the best flight deals from Chicago to Saint Louis

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About Chicago - Saint Louis Flights

Find the best prices for flights between Chicago (United States) and Saint Louis (United States) on Tripuck. We compare prices from hundreds of airlines to offer you the best options.

Chicago has 6 airports, while Saint Louis has 2 airports. Compare flights between all airports to find the best deal.

Cheapest Months for Chicago - Saint Louis Flights

Best month to fly

October 2026 - 2.302 ₺

October 2026

2.302 ₺

Direct

Cheapest

September 2026

2.656 ₺

Direct

August 2026

8.855 ₺

1 stops

Chicago - Saint Louis aylık en ucuz uçak bileti fiyatları
AyFlight TypePrice
October 2026CheapestDirect2.302 ₺
September 2026Direct2.656 ₺
August 20261 stops8.855 ₺

Prices may change. Based on recent searches.

Popular Chicago - Saint Louis Flights

Chicago - Saint Louis

Southwest Airlines
ChicagoSaint Louis
31 OctoberDirect
2.302 ₺
Southwest Airlines
ChicagoSaint Louis
30 SeptemberDirect
2.656 ₺

Saint Louis - Chicago

United Airlines
Saint LouisChicago
23 NovemberDirect
2.479 ₺
Southwest Airlines
Saint LouisChicago
22 OctoberDirect
2.701 ₺

Airlines on Chicago - Saint Louis Route

Chicago - Saint Louis havayolu fiyat karşılaştırması
HavayoluUçuş TipiFiyat
Southwest AirlinesSouthwest AirlinesDirect2.302 ₺

Chicago Airports

Saint Louis Airports

Alternative Routes

Chicago - Saint Louis Flight Summary

AIRLINES
American Airlines, Alaska Airlines

Cheaper tickets are usually available on weekdays and with early bookings.

Chicago and Saint Louis - Airport Transportation

O'Hare International Airport (ORD)

How to Get to the Airport

Metro/Train: You can reach the airport in 40-45 minutes by taking the CTA Blue Line train from downtown Chicago. Services run every 5-15 minutes and operate 24 hours a day.


Bus: You can reach the airport by taking buses departing from downtown bus stops (e.g., around Union Station). The journey takes approximately 45-60 minutes, with buses departing every 15-30 minutes.


Taxi: Transportation from downtown Chicago to O'Hare by taxi is possible. The journey takes 30-60 minutes depending on traffic, and taxis operate 24 hours a day.


Airport App-Based Rides (Uber/Lyft): You can reach O'Hare from downtown via Uber or Lyft. You can request a ride through the app and board at designated pickup points.


Car Rental: You can reach the airport by renting a car from rental offices located in the city center. Information on rental procedures can be obtained from rental offices at the airport.

St. Louis Lambert International Airport (STL)

From Airport to City Center

Metro/Train: The most practical method to reach downtown from St. Louis Lambert International Airport is to use the MetroLink Red Line. MetroLink stations are located next to Terminal 1 and Terminal 2. The journey time usually takes 25–35 minutes depending on your stop. Services run approximately every 12–15 minutes during the day and every 20 minutes in the evening. MetroLink starts operating around 4:00 AM and runs until midnight.


Bus: There are also bus lines available for transportation from the airport to downtown. For example, the 64 bus line runs regular services from the airport to Downtown. The journey takes about 30 minutes, with buses departing every 30 minutes.


Shuttle: Various shuttle services are available at the airport. These services transport passengers to downtown and surrounding hotels. The journey time typically ranges from 30-40 minutes.


Taxi: Reaching downtown by taxi from the airport is quite easy. A taxi ride usually takes 20-30 minutes, with taxis waiting in front of the airport terminal.


Uber/Bolt: Ride-sharing applications like Uber and Bolt also operate at the airport. The journey time varies between 20-40 minutes depending on traffic conditions.


Car Rental: Many international car rental companies are located at the airport. Renting a car to reach downtown offers more flexibility and allows you to personalize your journey.

Frequently Asked Questions About Chicago - Saint Louis Flights

The cheapest Chicago to Saint Louis flight tickets start from 2.302 ₺. Prices may vary depending on the season, airline, and booking time.
For Chicago, you can use Meigs Airport (CGX), Chicago Rockford International Airport (RFD), Chicago Executive Airport (PWK), Chicago Midway International Airport (MDW), O'Hare International Airport (ORD), DuPage Airport (DPA). For Saint Louis, you can use Spirit of St. Louis Airport (SUS), St. Louis Lambert International Airport (STL).
The flight duration from Chicago to Saint Louis varies for direct flights. Connecting flights may take longer depending on the number of layovers.
American Airlines, Alaska Airlines, Etihad Airways, United Airlines, US Airways and Southwest Airlines operate direct flights from Chicago to Saint Louis.
The cheapest Chicago to Saint Louis flights are usually found in Ekim and on Cumartesis.
Southwest Airlines offers the cheapest Chicago to Saint Louis flights starting from 2.302 ₺.