$338+ Cheap flights from Casper to Missoula (CPR - MSO)
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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
CPR — MSO
Oct 18 — Oct 251
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Casper to Missoula with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Casper to Missoula
Cheapest
Best
Last-minute
Cheapest flights from Casper to MissoulaExplore the most affordable flight options available from Casper to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
Explore the most affordable flight options available from Casper to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/33:11 pm -
1 stop6h 21m
Wed 10/72:38 pm -
1 stop5h 39m
Deal found 9/17![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/97:15 am -
1 stop9h 05m
Sun 10/116:15 am -
1 stop8h 21m
Deal found 9/17![United Airlines logo]()
$433
Best flights from Casper to MissoulaDiscover carefully curated flight deals from Casper to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
Discover carefully curated flight deals from Casper to Missoula that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 18, 2026.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/33:11 pm -
1 stop6h 21m
Wed 10/72:38 pm -
1 stop5h 39m
Deal found 9/17![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/97:15 am -
1 stop9h 05m
Sun 10/114:15 pm -
2 stops28h 02m
Deal found 9/17![United Airlines logo]()
$702
Last-minute flights from Casper to MissoulaDiscover last-minute flight deals from Casper to Missoula. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Casper to Missoula. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/33:11 pm -
1 stop6h 21m
Wed 10/72:38 pm -
1 stop5h 39m
Deal found 9/17![United Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/97:15 am -
1 stop9h 05m
Sun 10/116:15 am -
1 stop8h 21m
Deal found 9/17![United Airlines logo]()
$433
Find flight deals from Casper to Missoula
Discover tips and strategies to find the most affordable flight options for your journey from Casper (CPR) to Missoula (MSO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 18, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $338 (United Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Casper to Missoula 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 7,457,451 searches. Data last updated September 18, 2026.
Use the filters below to find and compare flights from Casper to Missoula that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
CasperMissoula
CPR Casper Natrona County - MSO Missoula Johnson-Bell Field
CPRMSO
Casper Natrona County
Sat 10/3
3:11 pm-9:32 pm
1 stop6h 21m
Missoula Johnson-Bell Field
Wed 10/7
2:38 pm-8:17 pm
1 stop5h 39m
$338
CasperMissoula
CPR Casper Natrona County - MSO Missoula Johnson-Bell Field
CPRMSO
Casper Natrona County
Fri 10/9
7:15 am-4:20 pm
1 stop9h 05m
Missoula Johnson-Bell Field
Sun 10/11
4:15 pm-8:17 pm
2 stops28h 02m
$702
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Casper-Missoula flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Casper-Missoula flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Casper-Missoula flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Casper-Missoula flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Casper-Missoula flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Casper to Missoula
Have a flexible travel schedule? Discover the best time to fly to Missoula from Casper with our price prediction graph.
CPR-MSO
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.
Related info for your journey
Find useful and relevant information for your journey from Casper to Missoula. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Missoula flight routes
Other flight options
Other flights from Casper
Popular flights