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Flights from St. Louis to Chicago Starting at AU$ 74

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from St. Louis to Chicago

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from St. Louis to Chicago

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

American Airlines
From AU$ 74
Southwest Airlines
From AU$ 88
Delta Air Lines
From AU$ 108
United Airlines
From AU$ 110
Southern Airways Express
From AU$ 125
Frontier Airlines
From AU$ 194
Alaska Airlines
From AU$ 268
ANA airlines

Find more flights and airlines

Alternative Routes from St. Louis to Chicago

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Chicago.

  • Cheapest
    American Airlines
    STL
    05:55
    1h 16m
    Direct
    ORD
    07:11
    St. Louis Lambert International Airport - O'Hare International Airport
    Wed, May 8American Airlines
    AU$ 74
  • Southwest Airlines
    STL
    06:30
    1h 5m
    Direct
    MDW
    07:35
    St. Louis Lambert International Airport - Midway International Airport
    Wed, Apr 10Southwest Airlines
    AU$ 88
  • Southwest Airlines
    STL
    06:30
    1h 5m
    Direct
    MDW
    07:35
    St. Louis Lambert International Airport - Midway International Airport
    Wed, Apr 10Southwest Airlines
    AU$ 88
    Find More Flights

How do I find the cheapest flights?

  • When are flight from St. Louis (STL) to Chicago (CHI) the cheapest?

    Airlines adjust prices for flights from St. Louis to Chicago based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from St. Louis (STL) to Chicago (CHI) cost?

    According to Trip.com's data, the lowest price is around AU$ 367.
  • How long is the flights from St. Louis (STL) to Chicago (CHI)?

    It takes about 1 hour 21 minutes to fly from St. Louis (STL) to Chicago (CHI).
  • What is the transportation method from the main airport to downtown in Chicago?

    • The distance from O'Hare International Airport to downtown is about 25km, by taxi about 40 minutes.
    • The distance from Midway International Airport to downtown is about 14km, by taxi about 30 minutes.
  • What time does the earliest flight from St. Louis to Chicago depart?

    The earliest flight departs from St. Louis (STL) at 06:06 and arrives in Chicago (ORD) at 07:25.
  • What time does the latest flight from St. Louis to Chicago depart?

    The latest flight departs from St. Louis (STL) at 17:28 and arrives in Chicago (ORD) at 18:45.
  • What are the most popular airlines that fly from St. Louis (STL) to Chicago (CHI)?

  • What's the most popular airline for direct flights from St. Louis (STL) to Chicago (CHI)?

    Southwest Airlines operates 2 direct flights from St. Louis (STL) to Chicago (CHI).
  • How many airports in Chicago (CHI)?

Flight Information from St. Louis to Chicago

Cheapest direct flight price

AU$ 73

Cheapest return ticket price

AU$ 148

Off-season for travel

February

Peak season for travel

September