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Casper

$258+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — CPR
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Missouri to Casper

Cheapest flights from Missouri to Casper
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 January 28, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 3/244:30 pm
STL
-
CPR
1 stop5h 06m
United Airlines
Tue 3/311:21 pm
CPR
-
STL
1 stop6h 33m
United Airlines
Deal found 1/26$258
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Thu 6/45:15 am
STL
-
CPR
1 stop4h 36m
United Airlines
Mon 6/86:08 pm
CPR
-
STL
1 stop4h 50m
United Airlines
Deal found 1/26$275
This United Airlines deal was found by Cheapflights users on 1/26. 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 4/284:30 pm
STL
-
CPR
1 stop6h 37m
United Airlines
Sat 5/29:00 am
CPR
-
STL
1 stop4h 28m
United Airlines
Deal found 1/26$328
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 6/206:00 am
MCI
-
CPR
1 stop7h 35m
United Airlines
Tue 6/309:10 am
CPR
-
MCI
1 stop5h 53m
United Airlines
Deal found 1/27$333
This United Airlines deal was found by Cheapflights users on 1/26. 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 2/108:45 am
STL
-
CPR
1 stop9h 09m
United Airlines
Sat 2/141:20 pm
CPR
-
STL
1 stop6h 06m
United Airlines
Deal found 1/26$338
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 1/314:15 pm
STL
-
CPR
1 stop6h 59m
United Airlines
Mon 2/21:16 pm
CPR
-
STL
1 stop6h 42m
United Airlines
Deal found 1/27$358
This United Airlines deal was found by Cheapflights users on 1/27. 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 6/161:45 pm
MCI
-
CPR
1 stop7h 27m
United Airlines
Tue 6/309:10 am
CPR
-
MCI
1 stop5h 53m
United Airlines
Deal found 1/27$363
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 6/206:00 am
MCI
-
CPR
1 stop7h 35m
United Airlines
Thu 6/2511:25 am
CPR
-
MCI
1 stop8h 27m
United Airlines
Deal found 1/27$368
This United Airlines deal was found by Cheapflights users on 1/25. 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 2/35:10 pm
MCI
-
CPR
1 stop4h 30m
United Airlines
Sat 2/73:17 pm
CPR
-
MCI
1 stop4h 16m
United Airlines
Deal found 1/25$398
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Fri 6/197:08 pm
MCI
-
CPR
1 stop4h 04m
United Airlines
Sat 6/276:01 pm
CPR
-
MCI
1 stop4h 36m
United Airlines
Deal found 1/27$415
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 6/206:00 am
MCI
-
CPR
1 stop7h 35m
United Airlines
Sat 6/277:00 am
CPR
-
MCI
2 stops15h 11m
United Airlines
Deal found 1/27$424
This United Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 6/206:00 am
MCI
-
CPR
1 stop7h 35m
United Airlines
Mon 6/293:15 pm
CPR
-
MCI
1 stop18h 37m
United Airlines
Deal found 1/27$429

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 January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(United Airlines)

Popular in

March

Cheapest in

June

Average price

$418
Provider with most accurate pricing for Lambert-St Louis-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Casper Natrona County flights.
Search Deals
From Missouri to Casper Natrona County
Search Deals
Highest demand for flights based on searches. 36% potential increase in price ($254 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 28, 2026.
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

Tue 3/24

4:30 pm-8:36 pm

1 stop5h 06m

Casper Natrona County

Tue 3/31

1:21 pm-8:54 pm

1 stop6h 33m

$258

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

Thu 6/4

5:15 am-8:51 am

1 stop4h 36m

Casper Natrona County

Mon 6/8

6:08 pm-11:58 pm

1 stop4h 50m

$275

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

Tue 4/28

4:30 pm-10:07 pm

1 stop6h 37m

Casper Natrona County

Sat 5/2

5:25 am-2:28 pm

1 stop8h 03m

$328

St. LouisCasper

STL - CPR

STLCPR

Lambert-St Louis

Tue 2/10

8:45 am-4:54 pm

1 stop9h 09m

Casper Natrona County

Sat 2/14

1:20 pm-8:26 pm

1 stop6h 06m

$338

Kansas CityCasper

MCI - CPR

MCICPR

Kansas City

Sat 6/20

6:00 am-12:35 pm

1 stop7h 35m

Casper Natrona County

Tue 6/30

9:10 am-11:11 pm

2 stops13h 01m

$339

Kansas CityCasper

MCI - CPR

MCICPR

Kansas City

Mon 6/22

1:45 pm-10:12 pm

1 stop9h 27m

Casper Natrona County

Tue 6/30

6:01 pm-11:37 pm

1 stop4h 36m

$442

Kansas CityCasper

MCI - CPR

MCICPR

Kansas City

Mon 6/22

1:45 pm-10:12 pm

1 stop9h 27m

Casper Natrona County

Sat 6/27

3:15 pm-11:37 pm

1 stop7h 22m

$442

Kansas CityCasper

MCI - CPR

MCICPR

Kansas City

Thu 6/18

1:45 pm-8:12 pm

1 stop7h 27m

Casper Natrona County

Tue 6/30

9:10 am-4:03 pm

1 stop5h 53m

$442

Kansas CityCasper

MCI - CPR

MCICPR

Kansas City

Tue 6/16

8:00 am-8:12 pm

2 stops13h 12m

Casper Natrona County

Tue 6/30

9:10 am-11:11 pm

2 stops13h 01m

$453

Kansas CityCasper

MCI - CPR

MCICPR

Kansas City

Tue 6/16

8:00 am-8:12 pm

2 stops13h 12m

Casper Natrona County

Thu 6/25

11:25 am-8:52 pm

1 stop8h 27m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 14 results
1
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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
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Missouri to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Casper from Missouri?

    Casper Natrona County (CPR), located 8.1 mi from the city center, is the airport you fly into when you book flights from Missouri to Casper.

  • How long is the flight from Missouri to Casper?

    Departing from Missouri to Casper will take you 5h 06m. Airlines will cover a distance of 887 mi.

  • Can I find deals for flights from Missouri to Casper that include hotel bookings?

    Yes. In addition to deals on Missouri to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Casper?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Casper.

  • Can I find deals for business class flights from Missouri to Casper?

    Yes. Cheapflights offers flight deals from Missouri to Casper by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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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.
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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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$238Average$408FlexibilityNo cancel feeOn-time69%

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