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Key West

$446+ 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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — EYW
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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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 January 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$453
(American Airlines)

One-way from

$446
(American Airlines)

Popular in

February

Cheapest in

December
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
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One-way flight from Montana to Key West
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Highest demand for flights based on searches. 35% potential increase in price ($463 potential increase over avg. RT price).
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Cheapest flight prices on average. 17% potential price decrease ($127 potential savings vs. average RT price).
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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 January 6, 2026.

This American Airlines deal was found by Cheapflights users on 1/5. 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 3/37:00 amBZN - EYW
1 stop9h 24mAmerican Airlines
Fri 3/61:27 pmEYW - BZN
1 stop10h 47mAmerican Airlines
Deal found 1/5$453
This American Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 3/27:00 amBZN - EYW
1 stop9h 19mAmerican Airlines
Thu 3/512:55 pmEYW - BZN
2 stops10h 43mAmerican Airlines
Deal found 1/5$490
This American Airlines deal was found by Cheapflights users on 1/5. 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 3/77:00 amBZN - EYW
1 stop9h 19mAmerican Airlines
Tue 3/106:49 pmEYW - BZN
1 stop19h 49mAmerican Airlines
Deal found 1/5$495
This American Airlines deal was found by Cheapflights users on 1/6. 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.
Wed 1/282:13 pmBZN - EYW
2 stops18h 25mAmerican Airlines
Sat 1/3112:00 pmEYW - BZN
2 stops12h 57mAmerican Airlines
Deal found 1/6$522
This United Airlines deal was found by Cheapflights users on 1/4. 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 1/246:30 amCOD - EYW
2 stops30h 47mUnited Airlines
Wed 1/286:05 pmEYW - COD
2 stops30h 39mUnited Airlines
Deal found 1/4$586
This United Airlines deal was found by Cheapflights users on 1/6. 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.
Fri 6/1212:40 pmMSO - EYW
1 stop7h 31mUnited Airlines
Mon 6/157:00 amEYW - MSO
2 stops17h 26mUnited Airlines
Deal found 1/6$586
This United Airlines deal was found by Cheapflights users on 1/5. 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.
Mon 4/66:34 amBZN - EYW
2 stops30h 17mUnited Airlines
Fri 4/104:38 pmEYW - BZN
2 stops22h 56mUnited Airlines
Deal found 1/5$596
This American Airlines deal was found by Cheapflights users on 1/4. 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 2/147:00 amBZN - EYW
2 stops13h 37mAmerican Airlines
Tue 2/176:54 pmEYW - BZN
1 stop19h 44mAmerican Airlines
Deal found 1/4$598
This United Airlines deal was found by Cheapflights users on 1/3. 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.
Sat 1/245:15 pmMSO - EYW
2 stops20h 02mUnited Airlines
Wed 1/286:05 pmEYW - MSO
2 stops24h 00mUnited Airlines
Deal found 1/3$648
This United Airlines deal was found by Cheapflights users on 1/3. 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.
Sat 1/106:00 amMSO - EYW
2 stops29h 03mUnited Airlines
Sat 1/1712:22 pmEYW - MSO
2 stops11h 29mUnited Airlines
Deal found 1/3$653
This United Airlines deal was found by Cheapflights users on 1/5. 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 1/139:14 amBTM - EYW
2 stops29h 08mUnited Airlines
Sat 1/1712:22 pmEYW - BTM
2 stops12h 23mUnited Airlines
Deal found 1/5$789
This United Airlines deal was found by Cheapflights users on 1/5. 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 2/101:36 pmCOD - EYW
2 stops23h 41mUnited Airlines
Tue 2/173:56 pmEYW - COD
2 stops32h 49mUnited Airlines
Deal found 1/5$858

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 6, 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

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Tue 3/3

7:00 am-10:22 pm

2 stops13h 22m

Key West

Fri 3/6

1:27 pm-10:14 pm

1 stop10h 47m

$458

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Mon 3/2

7:00 am-6:19 pm

1 stop9h 19m

Key West

Thu 3/5

12:55 pm-9:38 pm

2 stops10h 43m

$490

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 3/7

7:00 am-6:19 pm

1 stop9h 19m

Key West

Tue 3/10

6:49 pm-12:38 pm

1 stop19h 49m

$495

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Wed 1/28

2:13 pm-10:38 am

2 stops18h 25m

Key West

Sat 1/31

12:00 pm-10:57 pm

2 stops12h 57m

$522

CodyKey West

COD - EYW

CODEYW

Cody E.E. Faust

Sat 1/24

6:30 am-3:17 pm

2 stops30h 47m

Key West

Wed 1/28

6:05 pm-10:44 pm

2 stops30h 39m

$586

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Fri 6/12

12:40 pm-10:11 pm

1 stop7h 31m

Key West

Mon 6/15

7:00 am-10:26 pm

2 stops17h 26m

$586

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Mon 4/6

6:34 am-2:51 pm

2 stops30h 17m

Key West

Fri 4/10

4:38 pm-12:20 pm

3 stops21h 42m

$608

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Wed 3/4

1:47 pm-1:15 pm

2 stops21h 28m

Key West

Sat 3/7

12:47 pm-9:38 pm

2 stops10h 51m

$638

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 1/24

5:15 pm-3:17 pm

2 stops20h 02m

Key West

Wed 1/28

6:05 pm-4:05 pm

2 stops24h 00m

$648

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 2/14

7:00 am-10:37 pm

2 stops13h 37m

Key West

Tue 2/17

7:45 pm-12:57 pm

2 stops19h 12m

$649

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 14 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 13h 22m. Your travel time can differ by up to 17h 25m. 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 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$290Average$764FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$558FlexibilityNo cancel feeOn-time71%

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