$223+ Cheap flights from Missoula to Key West (MSO - EYW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — EYW
Jul 9 — Jul 161
Round-trip
1 adult, Economy
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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
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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 Missoula to Key West
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Cheapest flights from Missoula to Key WestExplore 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 June 9, 2026.
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 June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/4. 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 10/315:32 pm
MSO
- EYW
2 stops20h 34m
United Airlines
Wed 11/42:30 pm
EYW
- MSO
2 stops32h 56m
United Airlines
Deal found 6/4![United Airlines logo]()
$761
Best flights from Missoula to Key WestDiscover carefully curated flight deals from Missoula to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
Discover carefully curated flight deals from Missoula to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 9, 2026.
This United Airlines deal was found by Cheapflights users on 6/8. 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 10/315:32 pm
MSO
- EYW
2 stops20h 34m
United Airlines
Wed 11/42:30 pm
EYW
- MSO
2 stops32h 56m
United Airlines
Deal found 6/8![United Airlines logo]()
$761
One-way flights from Missoula to Key WestSearch for one-way flight options from Missoula to Key West. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
Search for one-way flight options from Missoula to Key West. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/25:30 am
MSO
- EYW
2 stops9h 54m
Delta
Deal found 6/9![Delta logo]()
$223
This United Airlines deal was found by Cheapflights users on 6/9. 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 10/212:21 pm
MSO
- EYW
1 stop23h 57m
United Airlines
Deal found 6/9![United Airlines logo]()
$567
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 June 9, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $761 (United Airlines) |
One-way from | $223 (Delta) |
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 June 9, 2026.
Use the filters below to find and compare flights from Missoula to Key West that are best for you.
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Fly to
Route
Depart
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Cheapest round-trip
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MissoulaKey West
MSO - EYW
MSOEYW
Missoula Johnson-Bell Field
Sat 10/31
5:32 pm-4:06 pm
2 stops20h 34m
Key West
Wed 11/4
2:30 pm-9:26 pm
2 stops32h 56m
$761
Cheapest one-way
Quickest one-way
MissoulaKey West
MSO - EYW
MSOEYW
Missoula Johnson-Bell Field
Fri 10/2
12:21 pm-2:18 pm
1 stop23h 57m
$567
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.
MSO-EYW
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.
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