How long does it take to fly to Key West?

If you’re flying from a popular airport in Montana, such as Bozeman or Missoula, and flying into Key West, then you can expect flight times to average 12h 07m and 12h 09m, respectively.

When did momondo last update prices for flights from Montana to Key West Airport?

Prices for flights from Montana to Key West Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Montana to Key West Airport?

As of July 2025, there is 1 operator available to choose from for flights from Montana to Key West Airport.

How old do you have to be to fly from Montana to Key West Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Key West Airport.

What documentation or ID do you need to fly to Key West Airport?

The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$394 Cheap Flights from Montana to Key West in 2025

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Montana to Key West

Round-trip

One-way

Cheap round-trip flights

5:49 am - 5:12 pmMSO-EYW

9h 23m2 stops

7:00 am - 2:36 pmEYW-MSO

9h 36m2 stops

$394Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

5:49 am - 8:12 pmMSO-EYW

12h 23m2 stops

7:00 am - 2:36 pmEYW-MSO

9h 36m2 stops

$434Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

6:05 am - 8:12 pmBZN-EYW

12h 07m2 stops

7:00 am - 1:08 pmEYW-BZN

8h 08m1 stop

$445Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

5:30 am - 8:12 pmMSO-EYW

12h 42m2 stops

2:00 pm - 11:10 pmEYW-MSO

11h 10m2 stops

$450Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

6:05 am - 8:12 pmBZN-EYW

12h 07m2 stops

2:00 pm - 11:01 pmEYW-BZN

11h 01m2 stops

$480Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

6:14 pm - 10:56 amBTM-EYW

14h 42m2 stops

6:20 pm - 5:06 pmEYW-BTM

24h 46m2 stops

$505Delta

Find Deal

Sat, Aug 23 - Tue, Aug 26

7:00 am - 4:10 pmMSO-EYW

7h 10m1 stop

8:10 am - 7:46 pmEYW-MSO

13h 36m2 stops

$605American Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

7:00 am - 6:38 pmMSO-EYW

9h 38m2 stops

8:10 am - 7:46 pmEYW-MSO

13h 36m2 stops

$629American Airlines

Find Deal

Thu, Dec 4 - Wed, Dec 10

1:51 pm - 10:53 amMSO-EYW

19h 02m2 stops

1:29 pm - 11:29 pmEYW-MSO

12h 00m2 stops

$970American Airlines

Find Deal

Wed, Aug 13 - Sun, Aug 17

2:29 pm - 1:11 pmMSO-EYW

20h 42m3 stops

3:41 pm - 11:27 amEYW-MSO

21h 46m2 stops

$1,198United Airlines

Find Deal

Fri, Aug 15 - Tue, Aug 19

American Airlines flights from Montana to Key West

Our best American Airlines deals on Montana to Key West flight tickets

American Airlines

Dec 4

MSO7:00 amMissoula Johnson-Bell Field

7h 10m

1 stop

EYW4:10 pmKey West

Dec 10

EYW8:10 amKey West

13h 36m

2 stops

MSO7:46 pmMissoula Johnson-Bell Field

$605

Find similar

American Airlines

Dec 4

MSO7:00 amMissoula Johnson-Bell Field

9h 38m

2 stops

EYW6:38 pmKey West

Dec 10

EYW8:10 amKey West

13h 36m

2 stops

MSO7:46 pmMissoula Johnson-Bell Field

$629

Find similar

American Airlines

Aug 13

MSO1:51 pmMissoula Johnson-Bell Field

19h 02m

2 stops

EYW10:53 amKey West

Aug 17

EYW1:29 pmKey West

12h 00m

2 stops

MSO11:29 pmMissoula Johnson-Bell Field

$970

Find similar

Delta flights from Montana to Key West

Our best Delta deals on Montana to Key West flight tickets

Delta

Aug 23

MSO5:49 amMissoula Johnson-Bell Field

9h 23m

2 stops

EYW5:12 pmKey West

Aug 26

EYW7:00 amKey West

9h 36m

2 stops

MSO2:36 pmMissoula Johnson-Bell Field

$394

Find similar

Delta

Aug 23

MSO5:49 amMissoula Johnson-Bell Field

12h 23m

2 stops

EYW8:12 pmKey West

Aug 26

EYW7:00 amKey West

9h 36m

2 stops

MSO2:36 pmMissoula Johnson-Bell Field

$434

Find similar

Delta

Aug 23

BZN6:05 amBozeman Gallatin Field

12h 07m

2 stops

EYW8:12 pmKey West

Aug 26

EYW7:00 amKey West

8h 08m

1 stop

BZN1:08 pmBozeman Gallatin Field

$445

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 8/23

5:49 am-5:12 pm

2 stops9h 23m

Key West

Tue 8/26

7:00 am-2:36 pm

2 stops9h 36m

$394

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 8/23

5:49 am-8:12 pm

2 stops12h 23m

Key West

Tue 8/26

7:00 am-2:36 pm

2 stops9h 36m

$434

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 8/23

6:05 am-8:12 pm

2 stops12h 07m

Key West

Tue 8/26

7:00 am-1:08 pm

1 stop8h 08m

$445

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Sat 8/23

5:30 am-8:12 pm

2 stops12h 42m

Key West

Tue 8/26

2:00 pm-11:10 pm

2 stops11h 10m

$450

BozemanKey West

BZN - EYW

BZNEYW

Bozeman Gallatin Field

Sat 8/23

6:05 am-8:12 pm

2 stops12h 07m

Key West

Tue 8/26

2:00 pm-11:01 pm

2 stops11h 01m

$480

ButteKey West

BTM - EYW

BTMEYW

Butte Silver Bow Co

Sat 8/23

6:14 pm-10:56 am

2 stops14h 42m

Key West

Tue 8/26

6:20 pm-5:06 pm

2 stops24h 46m

$505

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Thu 12/4

7:00 am-4:10 pm

1 stop7h 10m

Key West

Wed 12/10

8:10 am-7:46 pm

2 stops13h 36m

$605

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Thu 12/4

7:00 am-6:38 pm

2 stops9h 38m

Key West

Wed 12/10

8:10 am-7:46 pm

2 stops13h 36m

$629

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Wed 8/13

1:51 pm-10:53 am

2 stops19h 02m

Key West

Sun 8/17

1:29 pm-11:29 pm

2 stops12h 00m

$970

MissoulaKey West

MSO - EYW

MSOEYW

Missoula Johnson-Bell Field

Fri 8/15

2:29 pm-1:11 pm

3 stops20h 42m

Key West

Tue 8/19

3:41 pm-11:27 am

2 stops21h 46m

$1,198

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Montana to Key West

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Other information

What is the cheapest day to depart on your flight to Key West?

On average, the least expensive day to fly to Key West from Montana is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $715. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Montana to Key West for around $908.

What is the cheapest time of day to depart on your flight to Key West?

According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Montana to Key West at noon for as low as $683. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $828. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Montana to Key West flights?

You could potentially save up to 28% on your flight if you consider stops on a Montana to Key West flight.

Cheap Montana to Key West flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montana to Key West

Best Price Found	$394
Fastest flight time	7h 10m
Direct flights	None
Airports in Key West	1 airport

The best flight deal from Montana to Key West found on momondo in the last 72 hours is $394

The fastest flight from Montana to Key West takes 7h 10m

There are no direct flights from Montana to Key West. Popular non-direct routes for this connection are Missoula Johnson-Bell Field Airport - Key West Airport, Bozeman Gallatin Field Airport - Key West Airport and Butte Silver Bow Co Airport - Key West Airport.

There is 1 airport near Key West: Key West (EYW)

Search flight deals

When did momondo last update prices for flights from Montana to Key West Airport?
Prices for flights from Montana to Key West Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Montana to Key West Airport?
As of July 2025, there is 1 operator available to choose from for flights from Montana to Key West Airport.
How old do you have to be to fly from Montana to Key West Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montana to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The travel and health documents required for your trip to Key West Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Key West Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Montana to Key West

Compare and see reviews for airlines that fly from Montana to Key West with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $290	Free Cancellation	Rating 8.0 7,981 reviews		Search Delta flights
American Airlines	PriceFrom $308	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights

Big Pine Key

Little Torch Key

Why use momondo?

Why should I use momondo to find a flight deal from Montana to Key West?

Finding the right flight to Key West from Montana is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Key West quick and easy, saving you time and money.

Can I find flights from Montana to Key West with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Key West from Montana with this policy.

How can momondo help me find flights from Montana to Key West?

momondo provides multiple filters to help you find the best flight to Key West from Montana. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Montana to Key West right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Montana to Key West flights. All you need is a valid email address and we will do the rest; it is that quick and easy.