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Flights from Chicago to St. Louis
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Book flight tickets from Chicago to St. Louis starting at PLN 196

Whether you’re going for a one-way or round-trip to St. Louis, we’ve got you covered! Check out these different flight options from Chicago below.

  • One way
  • Round-trip
      • Cheapest nonstop
        ORD15:05
        1h 16m
        Nonstop
        STL16:21
        Tue, Dec 10|Chicago - St. Louis|American Airlines
        PLN 196PLN 1,720
        89% OFF
        89% OFF
        PLN 1,720PLN 196

        Choose American Airlines flights from Chicago to St. Louis. The one-way direct flight with American Airlines departs from O'Hare International Airport on Tue, Dec 10, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 196 including taxes and charges.

      • ORD20:45
        1h 20m
        Nonstop
        STL22:05
        Wed, Dec 11|Chicago - St. Louis|American Airlines
        PLN 234PLN 1,720
        86% OFF
        86% OFF
        PLN 1,720PLN 234

        Choose American Airlines flights from Chicago to St. Louis. The one-way direct flight with American Airlines departs from O'Hare International Airport on Wed, Dec 11, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 234 including taxes and charges.

      • ORD20:45
        1h 20m
        Nonstop
        STL22:05
        Tue, Dec 17|Chicago - St. Louis|American Airlines
        PLN 234PLN 1,720
        86% OFF
        86% OFF
        PLN 1,720PLN 234

        Choose American Airlines flights from Chicago to St. Louis. The one-way direct flight with American Airlines departs from O'Hare International Airport on Tue, Dec 17, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 234 including taxes and charges.

      • ORD20:45
        1h 25m
        Nonstop
        STL22:10
        Sun, Dec 8|Chicago - St. Louis|American Airlines
        PLN 240
        PLN 240

        Choose American Airlines flights from Chicago to St. Louis. The one-way direct flight with American Airlines departs from O'Hare International Airport on Sun, Dec 8, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 240 including taxes and charges.

      • ORD15:05
        1h 16m
        Nonstop
        STL16:21
        Wed, Dec 18|Chicago - St. Louis|American Airlines
        PLN 274
        PLN 274

        Choose American Airlines flights from Chicago to St. Louis. The one-way direct flight with American Airlines departs from O'Hare International Airport on Wed, Dec 18, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 274 including taxes and charges.

      • ORD17:50
        1h 13m
        Nonstop
        STL19:03
        Tue, Dec 3|Chicago - St. Louis|American Airlines
        PLN 1,376
        PLN 1,376

        Choose American Airlines flights from Chicago to St. Louis. The one-way direct flight with American Airlines departs from O'Hare International Airport on Tue, Dec 3, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 1,376 including taxes and charges.

      • MDW07:15
        26h 1m
        1 stop
        STL09:16
        Thu, Jan 23|Chicago - St. Louis|Frontier Airlines
        PLN 245
        PLN 245

        Choose Frontier Airlines flights from Chicago to St. Louis. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Thu, Jan 23, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 245 including taxes and charges.

      • MDW07:15
        26h 1m
        1 stop
        STL09:16
        Thu, Jan 16|Chicago - St. Louis|Frontier Airlines
        PLN 245
        PLN 245

        Choose Frontier Airlines flights from Chicago to St. Louis. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Thu, Jan 16, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 245 including taxes and charges.

      • MDW08:15
        24h 51m
        1 stop
        STL09:06
        Tue, Jan 14|Chicago - St. Louis|Frontier Airlines
        PLN 249
        PLN 249

        Choose Frontier Airlines flights from Chicago to St. Louis. The one-way connecting flight with Frontier Airlines departs from Midway International Airport on Tue, Jan 14, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 249 including taxes and charges.

      • ORD09:34
        6h 26m
        1 stop
        STL16:00
        Tue, Dec 10|Chicago - St. Louis|Delta Air Lines
        PLN 274
        PLN 274

        Choose Delta Air Lines flights from Chicago to St. Louis. The one-way connecting flight with Delta Air Lines departs from O'Hare International Airport on Tue, Dec 10, arriving at St.Louis Lambert International Airport. One-way ticket prices start from PLN 274 including taxes and charges.

      • CHI13:00
        3h 5m
        Nonstop
        STL14:00
        Tue, Dec 10|Chicago - St. Louis|American Airlines
        Find More Flights
        Find More Flights

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

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

Explore the best time to buy affordable tickets to St. Louis with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Airlines Flying from Chicago to St. Louis

We have a range of prices from different airlines providing flights from Chicago to St. Louis. Check below for the journey which best suits your travel needs.

Frontier Airlines
From PLN 245
Delta Air Lines
From PLN 274
United Airlines
From PLN 285
Southwest Airlines
From PLN 298
Southern Airways Express
From PLN 522
American Airlines
From PLN 1,376

Find more flights and airlines

Alternative Routes from Chicago to St. Louis

Searching for potential routes that might be cheaper and faster? There are a few alternative ways to get to St. Louis from Chicago which could help you save money and time.

  • Cheapest
    Frontier Airlines
    MDW
    07:15
    26h 1m
    1 transfer
    STL
    09:16
    Midway International Airport - St.Louis Lambert International Airport
    Thu, Jan 23Frontier Airlines
    PLN 245
  • American Airlines
    ORD
    17:50
    1h 13m
    Nonstop
    STL
    19:03
    O'Hare International Airport - St.Louis Lambert International Airport
    Tue, Dec 3American Airlines
    PLN 1,376
  • American Airlines
    ORD
    17:50
    1h 13m
    Nonstop
    STL
    19:03
    O'Hare International Airport - St.Louis Lambert International Airport
    Tue, Dec 3American Airlines
    PLN 1,376
    Find More Flights

FAQ

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

    Airlines adjust prices for flights from Chicago to St. Louis based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Chicago (CHI) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around PLN 868.

  • How long does it take to fly from Chicago (CHI) to St. Louis (STL) and what is the distance?

    It takes around 1 hour 57 minutes to fly from Chicago (CHI) to St. Louis (STL).

  • What is the transportation method from the main airport to downtown in St. Louis?

    • The distance from St.Louis Lambert International Airport to downtown is about 20 km. It takes about 40 minutes by taxi.

  • What are the most popular airlines that fly from Chicago (CHI) to St. Louis (STL)?

How to find a cheap flight from Chicago to St. Louis

Understanding the common pitfalls when booking your flight tickets can help you save massively when it comes time to fly. We’ve listed our six essential steps to keep in mind when you’re booking flight tickets to help you find the best price.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Chicago to St. Louis

Cheapest nonstop flight pricePLN 196
Cheapest round-trip ticket pricePLN 428
Off-season for travelNovember
Peak season for travelFebruary
Flight distance421.66 km
Average flight time1 hour 57 minutes
Popular airlineAmerican Airlines

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