HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$608+ Cheap flights from Missoula to Key West (MSO - EYW)

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — EYW
May 24 — May 311
Sun 5/24
Sun 5/31
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Missoula to Key West 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 Missoula to Key West

Cheapest flights from Missoula to Key West
Explore the most affordable flight options available from Missoula to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2026.

This American Airlines deal was found by Cheapflights users on 4/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:45 am
MSO
-
EYW
1 stop8h 17m
American Airlines
Sat 5/92:29 pm
EYW
-
MSO
1 stop9h 16m
American Airlines
Deal found 4/21$609
This American Airlines deal was found by Cheapflights users on 4/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:45 am
MSO
-
EYW
1 stop8h 17m
American Airlines
Sat 5/92:29 pm
EYW
-
MSO
1 stop9h 16m
American Airlines
Deal found 4/20$651
This United Airlines deal was found by Cheapflights users on 4/20. 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 8/2912:40 pm
MSO
-
EYW
1 stop7h 31m
United Airlines
Wed 9/22:20 pm
EYW
-
MSO
2 stops34h 10m
United Airlines
Deal found 4/20$881
This United Airlines deal was found by Cheapflights users on 4/19. 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 5/52:37 pm
MSO
-
EYW
3 stops22h 30m
United Airlines
Sat 5/94:47 pm
EYW
-
MSO
2 stops30h 43m
United Airlines
Deal found 4/19$933

Find flight deals from Missoula to Key West

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Key West (EYW). 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 April 24, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$609
(American Airlines)
Provider with most accurate pricing for Missoula Johnson-Bell Field-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Key West flights.
Search Deals
From Missoula Johnson-Bell Field to Key West
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula to Key West 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 April 24, 2026.
Use the filters below to find and compare flights from Missoula to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 5/5

6:45 am-5:02 pm

1 stop8h 17m

Key West

Sat 5/9

8:05 am-9:45 pm

2 stops15h 40m

$608

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 8/29

12:40 pm-10:11 pm

1 stop7h 31m

Key West

Wed 9/2

2:20 pm-10:30 pm

2 stops34h 10m

$881

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 5/5

2:37 pm-4:02 pm

3 stops23h 25m

Key West

Sat 5/9

4:47 pm-4:04 pm

2 stops25h 17m

$953

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Missoula-Key West flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Missoula-Key West flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Missoula-Key West flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Key West 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 Missoula-Key West 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 Missoula to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Missoula 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.

Related info for your journey

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

  • How long is the flight from Missoula to Key West?

    For as low as $608, American Airlines can have you in Key West from Missoula in 8h 17m. Missoula and Key West are separated by a distance of 2351 mi.

  • Can I find deals for flights from Missoula to Key West that include hotel bookings?

    Yes. In addition to deals on Missoula to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missoula to Key West?

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

  • Can I find deals for business class flights from Missoula to Key West?

    Yes. Cheapflights offers flight deals from Missoula to Key West 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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.