$683+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — EYW
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
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 September 10, 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 September 10, 2026.
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:17 pm -
2 stops14h 29m
Sat 9/192:00 pm -
2 stops11h 42m
Deal found 9/8![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/61:48 pm -
2 stops18h 06m
Mon 10/128:03 pm -
2 stops19h 15m
Deal found 9/6![American Airlines logo]()
$1,223
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/612:28 pm -
3 stops23h 01m
Mon 10/122:15 pm -
2 stops33h 17m
Deal found 9/6![United Airlines logo]()
$2,298
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 September 10, 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 September 10, 2026.
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Sat 1/306:15 am -
2 stops32h 55m
Wed 2/33:04 pm -
2 stops24h 23m
Deal found 9/9![United Airlines logo]()
$870
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/61:48 pm -
2 stops20h 20m
Mon 10/122:34 pm -
1 stop24h 44m
Deal found 9/6![American Airlines logo]()
$1,558
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/612:28 pm -
3 stops23h 01m
Mon 10/122:15 pm -
2 stops33h 17m
Deal found 9/6![United Airlines logo]()
$2,298
Last-minute flights from Missoula to Key WestDiscover last-minute flight deals from Missoula to Key West. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Key West. Data last updated September 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:17 pm -
2 stops14h 29m
Sat 9/192:00 pm -
2 stops11h 42m
Deal found 9/8![Delta logo]()
$733
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/61:48 pm -
2 stops18h 06m
Mon 10/128:03 pm -
2 stops19h 15m
Deal found 9/6![American Airlines logo]()
$1,223
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/612:28 pm -
3 stops23h 01m
Mon 10/122:15 pm -
2 stops33h 17m
Deal found 9/6![United Airlines logo]()
$2,298
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 September 10, 2026.
Search for one-way flight options from Missoula to Key West. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 10/75:30 am -
2 stops12h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Delta logo]()
$683
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Wed 10/71:48 pm -
2 stops21h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![American Airlines logo]()
$731
This United Airlines deal was found by Cheapflights users on 9/6. 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.
Wed 10/76:15 am -
3 stops29h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![United Airlines logo]()
$1,146
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 September 10, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $870 (United Airlines) |
One-way from | $683 (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 7,457,451 searches. Data last updated September 10, 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
Cheapest round-trip
Quickest round-trip
MissoulaKey West
MSO Missoula Johnson-Bell Field - EYW Key West
MSOEYW
Missoula Johnson-Bell Field
Wed 10/7
5:30 am-8:01 pm
2 stops12h 31m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$683
MissoulaKey West
MSO Missoula Johnson-Bell Field - EYW Key West
MSOEYW
Missoula Johnson-Bell Field
Sat 1/30
6:15 am-5:10 pm
2 stops32h 55m
Key West
Wed 2/3
3:04 pm-1:27 pm
2 stops24h 23m
$870
MissoulaKey West
MSO Missoula Johnson-Bell Field - EYW Key West
MSOEYW
Missoula Johnson-Bell Field
Wed 10/7
1:05 pm-4:54 pm
1 stop25h 49m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$931
MissoulaKey West
MSO Missoula Johnson-Bell Field - EYW Key West
MSOEYW
Missoula Johnson-Bell Field
Wed 10/7
6:15 am-1:29 pm
3 stops29h 14m
Key West
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$1,146
MissoulaKey West
MSO Missoula Johnson-Bell Field - EYW Key West
MSOEYW
Missoula Johnson-Bell Field
Tue 10/6
1:48 pm-12:08 pm
2 stops20h 20m
Key West
Mon 10/12
2:34 pm-1:18 pm
1 stop24h 44m
$1,558
MissoulaKey West
MSO Missoula Johnson-Bell Field - EYW Key West
MSOEYW
Missoula Johnson-Bell Field
Tue 10/6
12:28 pm-1:29 pm
3 stops23h 01m
Key West
Mon 10/12
2:15 pm-9:32 pm
2 stops33h 17m
$2,298
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.
Related info for your journey
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