HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key West

$369+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — EYW
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 October 30, 2025.

This Delta deal was found by Cheapflights users on 10/29. 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 11/275:30 amBZN - EYW
2 stops12h 23mDelta
Thu 12/47:40 amEYW - BZN
1 stop7h 46mDelta
Deal found 10/29$369
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/2712:45 pmBZN - EYW
1 stop24h 34mUnited Airlines
Thu 12/44:05 pmEYW - BZN
1 stop21h 39mUnited Airlines
Deal found 10/29$587
This Delta deal was found by Cheapflights users on 10/29. 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 11/115:30 amBZN - EYW
2 stops12h 23mDelta
Wed 11/127:40 amEYW - BZN
1 stop7h 45mDelta
Deal found 10/29$616
This Delta deal was found by Cheapflights users on 10/29. 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.
Wed 12/106:10 pmBTM - EYW
2 stops23h 56mDelta
Sat 12/137:40 amEYW - BTM
2 stops11h 30mDelta
Deal found 10/29$650
This United Airlines deal was found by Cheapflights users on 10/29. 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 11/159:47 amBTM - EYW
3 stops25h 59mUnited Airlines
Wed 11/194:00 pmEYW - BTM
2 stops32h 14mUnited Airlines
Deal found 10/29$707
This Delta deal was found by Cheapflights users on 10/29. 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.
Sun 11/25:35 amBZN - EYW
2 stops12h 31mDelta
Thu 11/67:40 amEYW - BZN
1 stop7h 39mDelta
Deal found 10/29$751
This Delta deal was found by Cheapflights users on 10/30. 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.
Mon 11/36:10 amBZN - EYW
2 stops11h 56mDelta
Sat 11/87:40 amEYW - BZN
1 stop7h 39mDelta
Deal found 10/30$800
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/12:43 pmBZN - EYW
2 stops23h 36mUnited Airlines
Wed 11/54:00 pmEYW - BZN
2 stops20h 00mUnited Airlines
Deal found 10/28$827

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 October 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$369
(Delta)

Popular in

February

Cheapest in

October

Average price

$579
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. 17% potential increase in price ($176 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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 October 30, 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 11/27

5:30 am-7:53 pm

2 stops12h 23m

Key West

Thu 12/4

7:40 am-1:26 pm

1 stop7h 46m

$369

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Tue 1/20

7:00 am-9:47 pm

2 stops12h 47m

Key West

Sat 1/24

7:15 am-8:45 pm

2 stops15h 30m

$449

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Tue 1/6

3:50 pm-11:31 am

2 stops17h 41m

Key West

Tue 1/13

7:10 am-1:29 pm

1 stop8h 19m

$491

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Wed 1/7

2:01 pm-12:48 pm

2 stops20h 47m

Key West

Mon 1/12

7:10 am-1:29 pm

1 stop8h 19m

$522

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Thu 1/8

2:01 pm-1:48 pm

2 stops21h 47m

Key West

Mon 1/12

7:10 am-1:29 pm

1 stop8h 19m

$528

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Tue 1/6

4:16 pm-1:03 pm

2 stops18h 47m

Key West

Sat 1/10

12:22 pm-9:45 am

2 stops23h 23m

$530

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Tue 1/6

4:16 pm-1:03 pm

2 stops18h 47m

Key West

Fri 1/16

2:25 pm-9:45 am

2 stops21h 20m

$556

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Mon 1/5

3:00 pm-11:31 am

2 stops18h 31m

Key West

Mon 1/12

7:10 am-1:29 pm

1 stop8h 19m

$562

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Thu 1/8

2:01 pm-1:48 pm

2 stops21h 47m

Key West

Wed 1/14

7:10 am-1:29 pm

1 stop8h 19m

$573

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Thu 11/27

12:45 pm-3:19 pm

1 stop24h 34m

Key West

Thu 12/4

4:05 pm-11:44 am

1 stop21h 39m

$587

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 16 results
1
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 $289). Flying from Montana to Key West in February is currently the most expensive (average of $815). 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?

    Delta, American Airlines, and United Airlines can get you from Montana to Key West in just under 12h 23m. Your travel time can differ by up to 13h 36m. 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 Butte Silver Bow Co - 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 $815). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montana to Key West

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to West Palm Beach flights
Newark to Orlando flights
John F Kennedy Intl to Tampa flights
LaGuardia to Orlando flights
LaGuardia to Tampa flights
Newark to West Palm Beach flights
Newark to Tampa flights
Dulles Intl to Miami flights
Philadelphia to Orlando flights
Boston to Orlando flights
Dallas/Fort Worth to Orlando flights
Reagan-National to Miami flights
Boston to Miami flights
Boston to Tampa flights
Baltimore to Fort Lauderdale flights
LaGuardia to West Palm Beach flights
O'Hare Intl to Orlando flights
Dulles Intl to Orlando flights
Los Angeles to Miami flights
Boston to Fort Lauderdale flights
O'Hare Intl to Miami flights
O'Hare Intl to Fort Lauderdale flights
Los Angeles to Orlando flights
Reagan-National to Orlando flights
Los Angeles to Fort Lauderdale flights
Philadelphia to Fort Lauderdale flights
O'Hare Intl to Tampa flights
Baltimore to Orlando flights
Dallas/Fort Worth to Miami flights
Detroit to Orlando flights
Dulles Intl to Fort Lauderdale flights
Dallas/Fort Worth to Fort Lauderdale flights
John F Kennedy Intl to Fort Myers flights
Newark to Fort Myers flights
Denver to Orlando flights
Detroit to Fort Lauderdale flights
Hartford to Orlando flights
Cleveland to Orlando flights
Boston to West Palm Beach flights
Philadelphia to Miami flights
Baltimore to Miami flights
O'Hare Intl to Fort Myers flights
Seattle to Orlando flights

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$290Average$764FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$308Average$558FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.