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Cheap flight deals from St. Louis to Casper Starting at AED 929

Discover our range of affordable one-way and round-trip flights from St. Louis to Casper and kick-start your next adventure today!

  • One way
  • Round-trip
      • STL13:43
        9h 28m
        1 stop
        CPR22:11
        Wed, Apr 9|St. Louis - Casper|United Airlines
        AED 929AED 1,021
        9% OFF
        9% OFF
        AED 1,021AED 929

        Choose United Airlines flights from St. Louis to Casper. The one-way connecting flight with United Airlines departs from St. Louis Lambert International Airport on Wed, Apr 9, arriving at Casper Airport. One-way Prices start from AED 929 including taxes and charges.

      • STL01:00 pm
        3h 5m
        Nonstop
        CPR02:00 pm
        Thu, Feb 27|St. Louis - Casper|United Airlines
        Find More Flights
        Find More Flights

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

St. Louis to Casper flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. AA1515

    American Airlines

    05:12

    STL

    2.0h

    08:10

    CLT

    S-TWTFS
    Search

  2. AA1636

    American Airlines

    16:58

    CLT

    3.7h

    18:39

    DEN

    SM-WT-S

  3. UA5294

    United Airlines

    15:45

    DEN

    1.2h

    16:56

    CPR

    SMTWTFS

  4. UA2135

    United Airlines

    08:20

    STL

    2.5h

    09:53

    DEN

    SMTWTFS
    Search

  5. UA5294

    United Airlines

    15:45

    DEN

    1.2h

    16:56

    CPR

    SMTWTFS

  6. UA2135

    United Airlines

    08:20

    STL

    2.5h

    09:53

    DEN

    SMTWTFS
    Search

  7. UA4797

    United Airlines

    13:30

    DEN

    1.1h

    14:38

    CPR

    SMTWTFS

  8. UA4506

    United Airlines

    08:25

    STL

    2.1h

    11:34

    IAD

    SMTWTFS
    Search

  9. UA484

    United Airlines

    16:14

    DCA

    4.2h

    18:25

    DEN

    SMTWTFS

  10. UA5347

    United Airlines

    21:00

    DEN

    1.2h

    22:11

    CPR

    SMTWTFS

  11. UA4506

    United Airlines

    08:25

    STL

    2.1h

    11:34

    IAD

    SMTWTFS
    Search

  12. UA1728

    United Airlines

    17:25

    IAD

    4.0h

    19:28

    DEN

    SMTWTFS

  13. UA5347

    United Airlines

    21:00

    DEN

    1.2h

    22:11

    CPR

    SMTWTFS

  14. AA1362

    American Airlines

    10:49

    STL

    2.1h

    12:55

    DFW

    SMTWTFS
    Search

  15. AA1832

    American Airlines

    14:33

    DFW

    2.2h

    15:46

    DEN

    SMTWTFS

  16. UA5347

    United Airlines

    21:00

    DEN

    1.2h

    22:11

    CPR

    SMTWTFS

  17. UA2625

    United Airlines

    13:41

    STL

    2.5h

    15:10

    DEN

    SMTWTFS
    Search

  18. UA5347

    United Airlines

    21:00

    DEN

    1.2h

    22:11

    CPR

    SMTWTFS

  19. UA2625

    United Airlines

    13:41

    STL

    2.5h

    15:10

    DEN

    SMTWTFS
    Search

  20. UA5802

    United Airlines

    19:15

    DEN

    1.2h

    20:26

    CPR

    SMTWTFS

  21. UA1004

    United Airlines

    16:30

    STL

    2.3h

    17:50

    DEN

    SMTWTFS
    Search

  22. UA5347

    United Airlines

    21:00

    DEN

    1.2h

    22:11

    CPR

    SMTWTFS

  23. UA1004

    United Airlines

    16:30

    STL

    2.3h

    17:50

    DEN

    SMTWTFS
    Search

  24. UA5802

    United Airlines

    19:15

    DEN

    1.2h

    20:26

    CPR

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from St. Louis to Casper?

Price trend charts are a great way of tracking how much your flights cost in the lead up to departure and can help you choose when to book your tickets. See how prices to Casper from St. Louis have changed and are set to move below.

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

Frequently Asked Questions

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

    Airlines adjust prices for flights from St. Louis to Casper 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 do flights from St. Louis (STL) to Casper (CPR) cost?

    According to Trip.com's data, the lowest price is around AED 1,548.

  • What is the transportation method from the main airport to downtown in Casper?

    • The distance from Casper Airport to downtown is about 12 km, by taxi about 30 minutes.

  • How many airports are there in Casper (CPR)?

    There are 1 airport(s) near Casper (CPR): Casper Airport.

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

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
1
Being flexible with your dates to get the cheapest St. Louis to Casper ticket.
Tap "Date" on flight search bar to scan through the calender for St. Louis to Casper airfare over next 6 months in 2025. If you would like to fly in next 3 months, it seems the cheapest date is on Wed, Apr 9 at AED 929 for one-way flights.
2
Compare cheap St. Louis to Casper flight deals from over hundreds of airlines.
Our extensive search allows you to compare prices from over 500 airlines to choose the cheapest flight tickets from St. Louis to Casper. The cheapest airline operating is United Airlines.
3
Set up a Price Alert
By setting up a Price Alert for your St. Louis to Casper route, you can easily track the price of your airline tickets from without manually checking every day.
4
Don't miss cheap St. Louis to Casper flight deals and promo codes.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. If registering a free membership, you can receive more deals for your flights.
5
Book early or wait unitl the last minute.
It's always better to book early. Flight tickets tend to be the cheapest when they are first released, normally about a year before the departure date. So, check online as soon as the flights you want become available. If you miss the cheapest time, you can still find lower-priced tickets as the flight date approaches.
6
Search for flights on the go.
To get the best flight booking experience on the go, download Trip.com and search for cheap flight tickets from St. Louis to Casper to get exclusive deals for you.

Flight Info | St. Louis to Casper

Cheapest direct flight priceAED 929
Off-season for travelJanuary
Peak season for travelDecember
Flight distance1,449.04 km
Popular airlineUnited Airlines

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