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Key West

$353+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — EYW
Mar 22 — Mar 291
Sun 3/22
Sun 3/29
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 February 20, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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 8/1512:40 pm
MSO
-
EYW
1 stop7h 31m
United Airlines
Wed 8/197:00 am
EYW
-
MSO
2 stops17h 30m
United Airlines
Deal found 2/16$450
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 3/612:44 pm
BZN
-
EYW
1 stop7h 35m
United Airlines
Tue 3/104:05 pm
EYW
-
BZN
1 stop8h 07m
United Airlines
Deal found 2/19$463
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 am
BZN
-
EYW
2 stops10h 15m
American Airlines
Tue 3/106:34 pm
EYW
-
BZN
2 stops20h 04m
American Airlines
Deal found 2/19$525
This American Airlines deal was found by Cheapflights users on 2/19. 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 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 5/98:05 am
EYW
-
MSO
2 stops15h 40m
American Airlines
Deal found 2/19$574
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 10/274:22 pm
BZN
-
EYW
2 stops20h 44m
United Airlines
Sat 10/312:30 pm
EYW
-
BZN
2 stops22h 17m
United Airlines
Deal found 2/18$579
This American Airlines deal was found by Cheapflights users on 2/16. 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 3/36:15 am
MSO
-
EYW
1 stop8h 03m
American Airlines
Sat 3/72:39 pm
EYW
-
MSO
1 stop9h 17m
American Airlines
Deal found 2/16$580
This United Airlines deal was found by Cheapflights users on 2/18. 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 2/2810:00 am
BTM
-
EYW
2 stops10h 09m
United Airlines
Wed 3/46:35 pm
EYW
-
BTM
2 stops29h 51m
United Airlines
Deal found 2/18$647
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/412:48 pm
BZN
-
EYW
1 stop7h 21m
United Airlines
Sun 3/84:55 pm
EYW
-
BZN
2 stops18h 47m
United Airlines
Deal found 2/17$683
This American Airlines deal was found by Cheapflights users on 2/17. 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 3/41:36 pm
BZN
-
EYW
1 stop26h 43m
American Airlines
Sun 3/86:49 pm
EYW
-
BZN
1 stop19h 49m
American Airlines
Deal found 2/17$690
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 2/201:45 pm
COD
-
EYW
2 stops24h 52m
United Airlines
Tue 2/244:52 pm
EYW
-
COD
2 stops31h 53m
United Airlines
Deal found 2/18$734
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 5/1310:10 am
BTM
-
EYW
2 stops27h 52m
United Airlines
Sat 5/232:26 pm
EYW
-
BTM
2 stops34h 04m
United Airlines
Deal found 2/18$1,118

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 February 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$450
(United Airlines)

One-way from

$353
(United Airlines)
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

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 February 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

Sat 8/15

12:40 pm-10:11 pm

1 stop7h 31m

Key West

Wed 8/19

7:00 am-10:30 pm

2 stops17h 30m

$450

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 3/6

12:44 pm-10:19 pm

1 stop7h 35m

Key West

Tue 3/10

4:05 pm-10:12 pm

1 stop8h 07m

$463

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

$574

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 3/3

6:15 am-7:15 pm

2 stops11h 00m

Key West

Sat 3/7

2:39 pm-9:56 pm

1 stop9h 17m

$585

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 3/6

7:00 am-6:19 pm

1 stop9h 19m

Key West

Tue 3/10

6:49 pm-12:38 pm

1 stop19h 49m

$600

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Wed 3/4

12:48 pm-10:09 pm

1 stop7h 21m

Key West

Sun 3/8

4:55 pm-9:42 am

2 stops18h 47m

$683

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Mon 5/11

1:41 pm-10:54 am

2 stops19h 13m

Key West

Mon 5/18

3:58 pm-12:51 pm

2 stops22h 53m

$775

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Mon 5/11

5:35 am-7:49 pm

2 stops12h 14m

Key West

Mon 5/18

7:30 am-1:09 pm

1 stop7h 39m

$860

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 3/27

7:00 am-6:19 pm

1 stop9h 19m

Key West

Sun 3/29

6:49 pm-12:38 pm

1 stop19h 49m

$951

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Wed 5/13

10:10 am-4:02 pm

2 stops27h 52m

Key West

Sat 5/23

2:26 pm-10:30 pm

2 stops34h 04m

$1,118

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 13 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?

    United Airlines and American Airlines can get you from Montana to Key West in just under 7h 31m. Your travel time can differ by up to 1h 48m. 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 Butte Silver Bow Co - 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 February 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$290Average$664FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$502FlexibilityNo cancel feeOn-time71%

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