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Key West

$522+ 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
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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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 March 11, 2026.

This American Airlines deal was found by Cheapflights users on 3/6. 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 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
2 stops13h 08m
American Airlines
Sat 5/92:29 pm
EYW
-
MSO
1 stop9h 16m
American Airlines
Deal found 3/6$522
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 4/252:38 pm
MSO
-
EYW
2 stops22h 13m
United Airlines
Wed 4/292:35 pm
EYW
-
MSO
2 stops25h 00m
United Airlines
Deal found 3/6$708

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 March 11, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$522
(American Airlines)

One-way from

$315
(Delta)
Provider with most accurate pricing for Missoula Johnson-Bell Field-Key West flight deals.
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Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Key West flights.
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From Missoula Johnson-Bell Field to Key West
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One-way flight from Missoula Johnson-Bell Field to Key West
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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 March 11, 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-9:53 pm

2 stops13h 08m

Key West

Sat 5/9

2:29 pm-9:45 pm

1 stop9h 16m

$522

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 4/25

2:38 pm-2:51 pm

2 stops22h 13m

Key West

Wed 4/29

2:35 pm-1:35 pm

2 stops25h 00m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

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 $522, American Airlines can have you in Key West from Missoula in 13h 08m. 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.

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