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Key West

$442+ Cheap flights from Montana to Key West (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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — EYW
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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 12/186:22 pmBZN - EYW
2 stops15h 19mUnited Airlines
Mon 12/224:10 pmEYW - BZN
1 stop8h 19mUnited Airlines
Deal found 12/2$442
This Mytrip deal was found by Cheapflights users on 12/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:10 amBZN - EYW
3 stops25h 20mMultiple Airlines
Mon 12/222:30 pmEYW - BZN
3 stops20h 45mMultiple Airlines
Deal found 12/2$467
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/181:43 pmCOD - EYW
2 stops19h 58mUnited Airlines
Mon 12/224:10 pmEYW - COD
2 stops32h 24mUnited Airlines
Deal found 12/3$636
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/191:34 pmBZN - EYW
2 stops19h 09mAmerican Airlines
Tue 12/236:26 pmEYW - BZN
1 stop18h 43mAmerican Airlines
Deal found 12/3$837
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/196:22 pmBZN - EYW
2 stops15h 19mUnited Airlines
Tue 12/235:10 pmEYW - BZN
2 stops18h 35mUnited Airlines
Deal found 12/3$842
This American Airlines deal was found by Cheapflights users on 12/3. 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 12/77:00 amMSO - EYW
1 stop7h 26mAmerican Airlines
Mon 12/157:00 amEYW - MSO
2 stops15h 02mAmerican Airlines
Deal found 12/3$845
This Delta deal was found by Cheapflights users on 12/3. 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.
Thu 12/255:20 amBZN - EYW
2 stops12h 23mDelta
Wed 12/3111:47 amEYW - BZN
2 stops13h 16mDelta
Deal found 12/3$1,004
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/251:36 pmBZN - EYW
2 stops19h 30mAmerican Airlines
Wed 12/318:09 pmEYW - BZN
2 stops18h 37mAmerican Airlines
Deal found 12/2$1,022
This United Airlines deal was found by Cheapflights users on 12/2. 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 12/2512:42 pmBZN - EYW
1 stop21h 52mUnited Airlines
Wed 12/314:08 pmEYW - BZN
1 stop8h 21mUnited Airlines
Deal found 12/2$1,209

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 December 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$442
(United Airlines)

Popular in

February

Cheapest in

October

Average price

$686
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
Highest demand for flights based on searches. 29% potential increase in price ($382 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($110 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 2025.
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

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Thu 12/18

6:22 pm-11:41 am

2 stops15h 19m

Key West

Mon 12/22

4:10 pm-10:29 pm

1 stop8h 19m

$442

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Thu 12/18

10:10 am-1:30 pm

3 stops25h 20m

Key West

Mon 12/22

2:30 pm-9:15 am

3 stops20h 45m

$467

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 5/8

12:30 pm-10:11 pm

1 stop7h 41m

Key West

Sat 5/16

4:05 pm-9:47 am

2 stops19h 42m

$554

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 1/27

7:00 am-9:47 pm

2 stops12h 47m

Key West

Sun 2/1

7:45 pm-12:50 pm

2 stops19h 05m

$564

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sun 5/17

12:30 pm-10:11 pm

1 stop7h 41m

Key West

Sat 5/23

4:05 pm-9:47 am

2 stops19h 42m

$569

CodyKey West

COD - EYW

CODEYW

Cody E.E. Faust

Thu 12/18

1:43 pm-11:41 am

2 stops19h 58m

Key West

Mon 12/22

4:10 pm-10:34 pm

2 stops32h 24m

$636

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Wed 2/25

1:34 pm-6:03 pm

1 stop26h 29m

Key West

Sun 3/1

7:54 pm-12:39 pm

2 stops18h 45m

$786

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 12/19

1:34 pm-10:43 am

2 stops19h 09m

Key West

Tue 12/23

6:26 pm-11:09 am

1 stop18h 43m

$837

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 12/19

6:22 pm-11:41 am

2 stops15h 19m

Key West

Tue 12/23

5:10 pm-9:45 am

2 stops18h 35m

$842

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 1/27

6:00 am-3:17 pm

2 stops31h 17m

Key West

Sun 2/1

2:25 pm-9:51 pm

3 stops33h 26m

$952

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

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

What is the cheapest month to book a flight from Montana to Key West?

Currently, May is the cheapest month in which you can book a flight from Montana to Key West (average of $290). Flying from Montana to Key West in February is currently the most expensive (average of $1,994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 12h 47m. Your travel time can differ by up to 2h 32m. 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 Missoula Johnson-Bell Field - Key West or Cody E.E. Faust - Key West, Bozeman Gallatin 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.

  • What is the cheapest month to book a flight from Montana to Key West?

    Currently, May is the cheapest month in which you can book a flight from Montana to Key West (average of $290). Flying from Montana to Key West in February is currently the most expensive (average of $1,994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$290Average$764FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$558FlexibilityNo cancel feeOn-time71%

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