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Latest Flight Deals from Champaign to St. Louis

Book one-way or return flights from Champaign to St. Louis from as little as NZD 744. Choose from the popular airlines below and book your flight today!

  • Round-trip
      • CMI15:30
        7h 30m
        1 stop
        STL23:00
        Thu, May 2|Champaign - St. Louis|American Airlines
        STL05:55
        5h 4m
        1 stop
        CMI10:59
        Wed, May 8|St. Louis - Champaign|American Airlines
        NZD 744NZD 1,112
        33% OFF
        33% OFF
        NZD 1,112NZD 744
      • CMI16:30
        5h 17m
        1 stop
        STL21:47
        Wed, May 15|Champaign - St. Louis|American Airlines
        STL09:43
        5h 20m
        1 stop
        CMI15:03
        Tue, May 21|St. Louis - Champaign|American Airlines
        NZD 746NZD 1,112
        33% OFF
        33% OFF
        NZD 1,112NZD 746
      • CMI06:17
        4h 53m
        1 stop
        STL11:10
        Tue, May 21|Champaign - St. Louis|American Airlines
        STL17:08
        4h 25m
        1 stop
        CMI21:33
        Mon, May 27|St. Louis - Champaign|American Airlines
        NZD 746NZD 1,112
        33% OFF
        33% OFF
        NZD 1,112NZD 746
      • CMI16:30
        5h 17m
        1 stop
        STL21:47
        Wed, May 22|Champaign - St. Louis|American Airlines
        STL09:43
        5h 20m
        1 stop
        CMI15:03
        Tue, May 28|St. Louis - Champaign|American Airlines
        NZD 746
        NZD 746
      • CMI11:41
        4h 41m
        1 stop
        STL16:22
        Mon, Apr 29|Champaign - St. Louis|American Airlines
        STL12:20
        3h 36m
        1 stop
        CMI15:56
        Sun, May 5|St. Louis - Champaign|American Airlines
        NZD 746
        NZD 746
      • CMI11:41
        4h 41m
        1 stop
        STL16:22
        Tue, Apr 30|Champaign - St. Louis|American Airlines
        STL05:55
        5h 4m
        1 stop
        CMI10:59
        Mon, May 6|St. Louis - Champaign|American Airlines
        NZD 746
        NZD 746
      • CMI11:26
        3h 9m
        1 stop
        STL14:35
        Sun, May 26|Champaign - St. Louis|American Airlines
        STL11:40
        4h 19m
        1 stop
        CMI15:59
        Sat, Jun 1|St. Louis - Champaign|American Airlines
        NZD 747
        NZD 747
      • CMI11:26
        4h 51m
        1 stop
        STL16:17
        Fri, May 24|Champaign - St. Louis|American Airlines
        STL14:43
        5h 52m
        1 stop
        CMI20:35
        Thu, May 30|St. Louis - Champaign|American Airlines
        NZD 748
        NZD 748
      • CMI06:17
        4h 47m
        1 stop
        STL11:04
        Sun, May 12|Champaign - St. Louis|American Airlines
        STL07:45
        3h 14m
        1 stop
        CMI10:59
        Sat, May 18|St. Louis - Champaign|American Airlines
        NZD 779
        NZD 779
      • CMI13:00
        3h 5m
        Direct
        STL14:00
        Sun, May 5|Champaign - 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.

Searching for the best last minute flight from Champaign to St. Louis? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Champaign to St. Louis. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Alternative Routes from Champaign to St. Louis

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Champaign to St. Louis.

  • Cheapest
    American Airlines
    CMI
    15:30
    7h 30m
    2 transfer
    STL
    23:00
    Willard Airport - St. Louis Lambert International Airport
    Thu, May 2American Airlines
    NZD 744
  • American Airlines
    CMI
    15:30
    7h 30m
    2 transfer
    STL
    23:00
    Willard Airport - St. Louis Lambert International Airport
    Thu, May 2American Airlines
    NZD 744
    Find More Flights

How do I find the cheapest flights?

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

    Airlines adjust prices for flights from Champaign 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 Champaign (CMI) to St. Louis (STL) cost?

    According to Trip.com's data, the lowest price is around NZD 749.

  • 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 20km. It takes about 40 minutes by taxi.

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

Off-season for travel

March

Peak season for travel

November

Flight distance

227.75km

Popular airline

American Airlines

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