$308+ Cheap flights from Missouri to Casper (CPR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPR
Jan 7 — Jan 141
1 adult, Economy
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1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missouri to Casper
Cheapest flights from Missouri to CasperExplore the most affordable flight options available from Missouri to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.
Explore the most affordable flight options available from Missouri to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.
This United Airlines deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:05 amMCI - CPR
2 stops13h 20mUnited Airlines
Fri 12/266:10 pmCPR - MCI
1 stop4h 03mUnited Airlines
Deal found 12/7![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 12/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:35 pmSTL - CPR
1 stop9h 40mUnited Airlines
Thu 12/111:30 pmCPR - STL
1 stop6h 27mUnited Airlines
Deal found 12/6![United Airlines logo]()
$918
This United Airlines deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/99:02 amMCI - CPR
1 stop8h 49mUnited Airlines
Thu 12/1111:21 amCPR - MCI
2 stops7h 06mUnited Airlines
Deal found 12/5![United Airlines logo]()
$924
Find flight deals from Missouri to Casper
Keep the following information in mind while searching for Missouri to Casper flight deals. Data was last updated December 8, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $308 (United Airlines) |
Popular in | March |
Cheapest in | June |
Cheapflights Fare Finder
Customize your flight search to find flights from Missouri to Casper that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Missouri to Casper that are best for you.
Fly from
Missouri
Fly to
Casper
Route
Depart
Return
Price
St. LouisCasper
STL - CPR
STLCPR
Lambert-St Louis
Wed 1/7
2:45 pm-8:40 pm
1 stop6h 55m
Casper Natrona County
Sat 1/10
1:16 pm-8:58 pm
1 stop6h 42m
$308
Kansas CityCasper
MCI - CPR
MCICPR
Kansas City
Wed 1/7
9:05 am-4:54 pm
1 stop8h 49m
Casper Natrona County
Sat 1/10
1:16 pm-8:33 pm
1 stop6h 17m
$308
Kansas CityCasper
MCI - CPR
MCICPR
Kansas City
Mon 12/22
10:05 am-10:25 pm
2 stops13h 20m
Casper Natrona County
Fri 12/26
6:10 pm-11:13 pm
1 stop4h 03m
$459
Best time to book a flight from Missouri to Casper
Have a flexible travel schedule? Discover the best time to fly to Casper from Missouri with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missouri to Casper
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Related info for your journey
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Alternative routes for Missouri to Casper
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Missouri to Casper
Discover the top airline that operate flights from Missouri to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$416 | FlexibilityNo cancel fee | On-time69% |