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Key West

$246+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — EYW
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find 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 November 21, 2025.

This American Airlines deal was found by Cheapflights users on 11/19. 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 12/57:00 amMSO - EYW
1 stop7h 07mAmerican Airlines
Tue 12/97:00 amEYW - MSO
2 stops15h 02mAmerican Airlines
Deal found 11/19$535
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:04 amBZN - EYW
2 stops11h 49mDelta
Tue 12/23:02 pmEYW - BZN
2 stops11h 16mDelta
Deal found 11/20$549
This United Airlines deal was found by Cheapflights users on 11/20. 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 11/277:30 pmBZN - EYW
3 stops40h 34mUnited Airlines
Tue 12/22:47 pmEYW - BZN
2 stops21h 14mUnited Airlines
Deal found 11/20$826
This Delta deal was found by Cheapflights users on 11/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:04 amBZN - EYW
2 stops11h 49mDelta
Mon 12/17:40 amEYW - BZN
1 stop7h 45mDelta
Deal found 11/20$943
This United Airlines deal was found by Cheapflights users on 11/20. 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 11/277:30 pmBZN - EYW
3 stops40h 34mUnited Airlines
Mon 12/14:05 pmEYW - BZN
3 stops25h 26mUnited Airlines
Deal found 11/20$1,089
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 11/252:43 pmBZN - EYW
2 stops22h 36mUnited Airlines
Sun 11/304:00 pmEYW - BZN
2 stops44h 01mUnited Airlines
Deal found 11/19$1,441
This United Airlines deal was found by Cheapflights users on 11/20. 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 11/277:30 pmBZN - EYW
3 stops40h 34mUnited Airlines
Sun 11/304:00 pmEYW - BZN
1 stop21h 43mUnited Airlines
Deal found 11/20$1,455

Cheap 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 November 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$348
(United Airlines)

One-way from

$246
(American Airlines)

Popular in

February

Cheapest in

October

Average price

$652
Provider with most accurate pricing for Bozeman Gallatin Field-Key West flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Key West flights.
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From Montana to Key West
Search Deals
One-way flight from Montana to Key West
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($381 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 13% potential price decrease ($109 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 21, 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 5/7

12:30 pm-10:11 pm

1 stop7h 41m

Key West

Fri 5/15

4:05 pm-9:58 pm

1 stop7h 53m

$370

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Fri 2/27

7:00 am-10:43 pm

2 stops13h 43m

Key West

Mon 3/2

1:17 pm-8:21 pm

1 stop9h 04m

$449

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Fri 12/5

7:00 am-4:07 pm

1 stop7h 07m

Key West

Tue 12/9

7:00 am-8:02 pm

2 stops15h 02m

$535

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 1/10

5:15 pm-1:03 pm

2 stops17h 48m

Key West

Sat 1/17

12:22 pm-9:51 pm

2 stops11h 29m

$584

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 5/9

3:40 pm-1:02 pm

2 stops19h 22m

Key West

Fri 5/15

4:05 pm-9:58 pm

1 stop7h 53m

$608

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 1/10

7:00 am-4:23 pm

1 stop7h 23m

Key West

Sat 1/17

6:53 pm-12:50 pm

2 stops19h 57m

$612

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Mon 1/5

3:44 pm-10:57 am

2 stops17h 13m

Key West

Fri 1/9

1:16 pm-10:02 pm

1 stop10h 46m

$667

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

$729

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Sun 3/15

10:00 am-4:02 pm

2 stops28h 02m

Key West

Fri 3/20

4:45 pm-10:26 pm

2 stops31h 41m

$827

CodyKey West

COD - EYW

CODEYW

Cody E.E. Faust

Tue 3/10

1:35 pm-2:55 pm

2 stops23h 20m

Key West

Wed 3/11

6:28 pm-1:00 pm

2 stops20h 32m

$1,053

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 14 results
1
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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

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 $289). 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 7h 41m. Your travel time can differ by up to 6h 02m. The distance from Montana to Key West is about 2191 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 $289). 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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Alternative routes for Montana to Key West

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$290Average$764FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$558FlexibilityNo cancel feeOn-time71%

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