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Flights from Chicago to St. Louis
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Flights from Chicago to St. Louis Starting at NZD 80

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

  • One way
  • Round-trip
      • Cheapest nonstop
        ORD17:50
        1h 13m
        Nonstop
        STL19:03
        Tue, Dec 3|Chicago - St. Louis|American Airlines
        NZD 80NZD 588
        86% OFF
        86% OFF
        NZD 588NZD 80

        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 Prices start from NZD 80 including taxes and charges.

      • ORD20:45
        1h 20m
        Nonstop
        STL22:05
        Wed, Dec 11|Chicago - St. Louis|American Airlines
        NZD 97NZD 588
        83% OFF
        83% OFF
        NZD 588NZD 97

        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 Prices start from NZD 97 including taxes and charges.

      • ORD20:45
        1h 20m
        Nonstop
        STL22:05
        Tue, Dec 17|Chicago - St. Louis|American Airlines
        NZD 97NZD 588
        83% OFF
        83% OFF
        NZD 588NZD 97

        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 Prices start from NZD 97 including taxes and charges.

      • ORD20:45
        1h 25m
        Nonstop
        STL22:10
        Sun, Dec 8|Chicago - St. Louis|American Airlines
        NZD 100
        NZD 100

        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 Prices start from NZD 100 including taxes and charges.

      • ORD15:05
        1h 16m
        Nonstop
        STL16:21
        Wed, Dec 18|Chicago - St. Louis|American Airlines
        NZD 114
        NZD 114

        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 Prices start from NZD 114 including taxes and charges.

      • ORD15:05
        1h 16m
        Nonstop
        STL16:21
        Tue, Dec 10|Chicago - St. Louis|American Airlines
        NZD 470
        NZD 470

        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 Prices start from NZD 470 including taxes and charges.

      • MDW07:15
        26h 1m
        1 stop
        STL09:16
        Thu, Jan 23|Chicago - St. Louis|Frontier Airlines
        NZD 102
        NZD 102

        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 Prices start from NZD 102 including taxes and charges.

      • MDW07:15
        26h 1m
        1 stop
        STL09:16
        Thu, Jan 16|Chicago - St. Louis|Frontier Airlines
        NZD 102
        NZD 102

        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 Prices start from NZD 102 including taxes and charges.

      • MDW08:15
        24h 51m
        1 stop
        STL09:06
        Tue, Jan 14|Chicago - St. Louis|Frontier Airlines
        NZD 103
        NZD 103

        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 Prices start from NZD 103 including taxes and charges.

      • MDW10:07
        5h 53m
        1 stop
        STL16:00
        Tue, Dec 10|Chicago - St. Louis|Delta Air Lines
        NZD 114
        NZD 114

        Choose Delta Air Lines flights from Chicago to St. Louis. The one-way connecting flight with Delta Air Lines departs from Midway International Airport on Tue, Dec 10, arriving at St. Louis Lambert International Airport. One-way Prices start from NZD 114 including taxes and charges.

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

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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

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

American Airlines
From NZD 80
Frontier Airlines
From NZD 102
Delta Air Lines
From NZD 114
United Airlines
From NZD 119
Southwest Airlines
From NZD 124
Southern Airways Express
From NZD 130

Find more flights and airlines

Alternative Routes from Chicago to St. Louis

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

  • Cheapest
    American Airlines
    ORD
    17:50
    1h 13m
    Nonstop
    STL
    19:03
    O'Hare International Airport - St. Louis Lambert International Airport
    Tue, Dec 3American Airlines
    NZD 80
  • Frontier Airlines
    MDW
    07:15
    26h 1m
    1 transfer
    STL
    09:16
    Midway International Airport - St. Louis Lambert International Airport
    Thu, Jan 23Frontier Airlines
    NZD 102
  • Frontier Airlines
    MDW
    07:15
    26h 1m
    1 transfer
    STL
    09:16
    Midway International Airport - St. Louis Lambert International Airport
    Thu, Jan 23Frontier Airlines
    NZD 102
    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 NZD 361.

  • 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

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to St. Louis. Book your flights at the right time and save more.
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 priceNZD 80
Cheapest round-trip ticket priceNZD 178
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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