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Key West

$244+ Cheap flights from Montana to Key West (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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — EYW
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Montana to Key West

Cheapest flights from Montana to Key West
Explore the most affordable flight options available from Montana to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This American Airlines deal was found by Cheapflights users on 1/18. 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 8/77:25 am
BZN
-
EYW
1 stop6h 43m
American Airlines
Tue 8/112:31 pm
EYW
-
BZN
1 stop6h 46m
American Airlines
Deal found 1/18$404
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Sun 2/17:00 am
MSO
-
EYW
1 stop7h 24m
American Airlines
Thu 2/192:45 pm
EYW
-
MSO
1 stop9h 11m
American Airlines
Deal found 1/20$529
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/46:15 am
MSO
-
EYW
1 stop8h 09m
American Airlines
Tue 3/102:40 pm
EYW
-
MSO
1 stop9h 16m
American Airlines
Deal found 1/20$569
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 4/95:15 pm
MSO
-
EYW
2 stops20h 42m
United Airlines
Fri 4/174:38 pm
EYW
-
MSO
2 stops25h 28m
United Airlines
Deal found 1/20$588
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 4/91:10 pm
MSO
-
EYW
2 stops21h 55m
American Airlines
Fri 4/172:29 pm
EYW
-
MSO
1 stop9h 16m
American Airlines
Deal found 1/20$653
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Sat 2/77:00 am
BZN
-
EYW
2 stops9h 52m
American Airlines
Sat 2/147:36 pm
EYW
-
BZN
2 stops19h 02m
American Airlines
Deal found 1/18$731
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 1/241:42 pm
COD
-
EYW
2 stops21h 21m
United Airlines
Wed 1/284:15 pm
EYW
-
COD
2 stops32h 29m
United Airlines
Deal found 1/19$734
This American Airlines deal was found by Cheapflights users on 1/18. 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.
Thu 4/91:41 pm
BZN
-
EYW
2 stops19h 43m
American Airlines
Tue 4/146:45 pm
EYW
-
BZN
2 stops20h 06m
American Airlines
Deal found 1/18$740
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 3/42:34 pm
MSO
-
EYW
2 stops29h 45m
United Airlines
Tue 3/106:28 pm
EYW
-
MSO
3 stops21h 05m
United Airlines
Deal found 1/20$742
This United Airlines deal was found by Cheapflights users on 1/18. 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 1/313:00 pm
BZN
-
EYW
1 stop23h 22m
United Airlines
Tue 2/34:15 pm
EYW
-
BZN
1 stop21h 29m
United Airlines
Deal found 1/18$753
This Delta deal was found by Cheapflights users on 1/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/35:00 am
MSO
-
EYW
2 stops12h 40m
Delta
Sat 2/72:45 pm
EYW
-
MSO
2 stops10h 49m
Delta
Deal found 1/19$849
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 1/219:14 am
BTM
-
EYW
2 stops25h 49m
United Airlines
Sat 1/244:15 pm
EYW
-
BTM
2 stops32h 30m
United Airlines
Deal found 1/19$927

Find flight deals from Montana to Key West

Keep the following information in mind while searching for Montana to Key West flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$569
(American Airlines)

One-way from

$244
(Kiwi.com)

Popular in

February

Cheapest in

December
Provider with most accurate pricing for Bozeman Gallatin Field-Key West flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Key West flights.
Search Deals
From Montana to Key West
Search Deals
One-way flight from Montana to Key West
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($301 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($87 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana 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 January 20, 2026.
Use the filters below to find and compare flights from Montana to Key West that are best for you.

Fly from

Montana

Fly to

Key West

Route

Depart

Return

Price

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sun 2/1

7:00 am-11:56 pm

2 stops14h 56m

Key West

Thu 2/19

2:45 pm-9:56 pm

1 stop9h 11m

$534

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Wed 3/4

6:15 am-4:24 pm

1 stop8h 09m

Key West

Tue 3/10

2:40 pm-9:56 pm

1 stop9h 16m

$569

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Thu 4/9

5:15 pm-3:57 pm

2 stops20h 42m

Key West

Fri 4/17

4:38 pm-4:06 pm

2 stops25h 28m

$588

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Thu 4/9

1:10 pm-1:05 pm

2 stops21h 55m

Key West

Fri 4/17

2:29 pm-9:45 pm

1 stop9h 16m

$653

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 2/7

7:00 am-6:52 pm

2 stops9h 52m

Key West

Sat 2/14

7:36 pm-12:38 pm

2 stops19h 02m

$731

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Thu 4/9

1:41 pm-11:24 am

2 stops19h 43m

Key West

Tue 4/14

6:45 pm-12:51 pm

2 stops20h 06m

$740

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Wed 3/4

2:34 pm-10:19 pm

2 stops29h 45m

Key West

Tue 3/10

6:28 pm-1:33 pm

3 stops21h 05m

$742

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 1/31

3:00 pm-4:22 pm

1 stop23h 22m

Key West

Tue 2/3

4:15 pm-11:44 am

1 stop21h 29m

$753

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 2/3

5:00 am-7:40 pm

2 stops12h 40m

Key West

Sat 2/7

2:45 pm-11:34 pm

2 stops10h 49m

$849

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 1/31

2:37 pm-3:17 pm

2 stops22h 40m

Key West

Tue 2/3

4:15 pm-9:51 pm

2 stops31h 36m

$862

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 21 results
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Best time to book a flight from Montana to Key West

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

Cheapflights Insights

Everything you need to know about your flight from Montana to Key West
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • What airport do you fly into for flights to Key West from Montana?

    Most people fly into Key West (EYW) if they book a flight to Key West from Montana. Key West is conveniently located just 2.6 mi from Key West’s city center.

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

    American Airlines and United Airlines can get you from Montana to Key West in just under 14h 56m. Your travel time can differ by up to 5h 46m. The distance from Montana to Key West is about 2351 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Montana to Key West?

    While some choose either Bozeman Gallatin Field - Key West or Cody E.E. Faust - Key West, Missoula Johnson-Bell Field - Key West is the most popular route from Montana to Key West.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Montana 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

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Top 2 airlines flying from Montana to Key West

Discover the top 2 airlines that operate flights from Montana to Key West. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$290Average$744FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$558FlexibilityNo cancel feeOn-time71%

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