What is the cheapest airline that flies from Key West to Montana?

American Airlines is the most popular carrier operating from Key West to Montana

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Montana.

What documentation or ID do you need to fly to Montana?

The travel and health documents required for your trip to Montana 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 Montana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$236 Cheap Flights from Key West to Montana in 2026

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0 bags

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Find the cheapest flights from Key West to Montana

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:21 pm - 10:38 pm

EYW

MSO

10h 17m

1 stop

7:00 am - 4:29 pm

MSO

EYW

7h 29m

1 stop

$518American Airlines

Mon, Jun 1 - Tue, Nov 10

7:29 pm - 12:49 pm

EYW

MSO

19h 20m

2 stops

7:00 am - 4:29 pm

MSO

EYW

7h 29m

1 stop

$537American Airlines

Mon, Jun 1 - Tue, Nov 10

2:00 pm - 11:40 pm

EYW

MSO

11h 40m

2 stops

6:10 pm - 10:58 am

MSO

EYW

14h 48m

2 stops

$584Delta

Mon, Jun 1 - Mon, Nov 9

2:21 pm - 10:38 pm

EYW

MSO

10h 17m

1 stop

7:00 am - 4:29 pm

MSO

EYW

7h 29m

1 stop

$597American Airlines

Tue, Jun 2 - Mon, Nov 9

1:39 pm - 10:38 pm

EYW

MSO

10h 59m

2 stops

7:00 am - 4:29 pm

MSO

EYW

7h 29m

1 stop

$602American Airlines

Tue, Jun 2 - Tue, Nov 10

7:29 pm - 12:49 pm

EYW

MSO

19h 20m

2 stops

7:00 am - 7:29 pm

MSO

EYW

10h 29m

2 stops

$604American Airlines

Mon, Jun 1 - Tue, Nov 10

2:21 pm - 10:38 pm

EYW

MSO

10h 17m

1 stop

7:00 am - 4:29 pm

MSO

EYW

7h 29m

1 stop

$628American Airlines

Mon, Jun 1 - Mon, Nov 9

7:30 am - 11:40 pm

EYW

MSO

18h 10m

2 stops

6:10 pm - 10:58 am

MSO

EYW

14h 48m

2 stops

$653Delta

Tue, Jun 2 - Mon, Nov 9

1:39 pm - 10:38 pm

EYW

MSO

10h 59m

2 stops

7:00 am - 7:29 pm

MSO

EYW

10h 29m

2 stops

$672American Airlines

Tue, Jun 2 - Mon, Nov 9

7:29 pm - 12:49 pm

EYW

MSO

19h 20m

2 stops

7:00 am - 4:29 pm

MSO

EYW

7h 29m

1 stop

$682American Airlines

Mon, Jun 1 - Mon, Nov 9

American Airlines flights from Key West to Montana

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

American Airlines

Jun 1

EYW2:21 pmKey West

10h 17m

1 stop

MSO10:38 pmMissoula Johnson-Bell Field

Nov 10

MSO7:00 amMissoula Johnson-Bell Field

7h 29m

1 stop

EYW4:29 pmKey West

$518

American Airlines

Jun 1

EYW7:29 pmKey West

19h 20m

2 stops

MSO12:49 pmMissoula Johnson-Bell Field

Nov 10

MSO7:00 amMissoula Johnson-Bell Field

7h 29m

1 stop

EYW4:29 pmKey West

$537

American Airlines

Jun 2

EYW2:21 pmKey West

10h 17m

1 stop

MSO10:38 pmMissoula Johnson-Bell Field

Nov 9

MSO7:00 amMissoula Johnson-Bell Field

7h 29m

1 stop

EYW4:29 pmKey West

$597

Delta flights from Key West to Montana

Our best Delta deals on Key West to Montana flight tickets

Delta

Jun 1

EYW2:00 pmKey West

11h 40m

2 stops

MSO11:40 pmMissoula Johnson-Bell Field

Nov 9

MSO6:10 pmMissoula Johnson-Bell Field

14h 48m

2 stops

EYW10:58 amKey West

$584

Delta

Jun 2

EYW7:30 amKey West

18h 10m

2 stops

MSO11:40 pmMissoula Johnson-Bell Field

Nov 9

MSO6:10 pmMissoula Johnson-Bell Field

14h 48m

2 stops

EYW10:58 amKey West

$653

Delta

Jun 2

EYW7:30 amKey West

18h 10m

2 stops

MSO11:40 pmMissoula Johnson-Bell Field

Nov 10

MSO5:40 amMissoula Johnson-Bell Field

12h 03m

2 stops

EYW7:43 pmKey West

$698

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 6/1

2:21 pm-10:38 pm

1 stop10h 17m

Missoula Johnson-Bell Field

Tue 11/10

7:00 am-4:29 pm

1 stop7h 29m

$518

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 6/1

7:29 pm-12:49 pm

2 stops19h 20m

Missoula Johnson-Bell Field

Tue 11/10

7:00 am-4:29 pm

1 stop7h 29m

$537

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 6/1

2:00 pm-11:40 pm

2 stops11h 40m

Missoula Johnson-Bell Field

Mon 11/9

6:10 pm-10:58 am

2 stops14h 48m

$584

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Tue 6/2

2:21 pm-10:38 pm

1 stop10h 17m

Missoula Johnson-Bell Field

Mon 11/9

7:00 am-4:29 pm

1 stop7h 29m

$597

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Tue 6/2

1:39 pm-10:38 pm

2 stops10h 59m

Missoula Johnson-Bell Field

Tue 11/10

7:00 am-4:29 pm

1 stop7h 29m

$602

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 6/1

7:29 pm-12:49 pm

2 stops19h 20m

Missoula Johnson-Bell Field

Tue 11/10

7:00 am-7:29 pm

2 stops10h 29m

$604

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 6/1

2:21 pm-10:38 pm

1 stop10h 17m

Missoula Johnson-Bell Field

Mon 11/9

7:00 am-4:29 pm

1 stop7h 29m

$628

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Tue 6/2

7:30 am-11:40 pm

2 stops18h 10m

Missoula Johnson-Bell Field

Mon 11/9

6:10 pm-10:58 am

2 stops14h 48m

$653

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Tue 6/2

1:39 pm-10:38 pm

2 stops10h 59m

Missoula Johnson-Bell Field

Mon 11/9

7:00 am-7:29 pm

2 stops10h 29m

$672

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 6/1

7:29 pm-12:49 pm

2 stops19h 20m

Missoula Johnson-Bell Field

Mon 11/9

7:00 am-4:29 pm

1 stop7h 29m

$682

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

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

Airlines

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

You could potentially save up to 53% on your flight if you consider stops on a Key West to Montana flight.

Cheap Key West to Montana flight deals and tips

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

Fastest flight time	12h 23m
Direct flights	None

The fastest flight from Key West to Montana takes 12h 23m

There are no direct flights from Key West to Montana. There are no popular flight routes from Key West to Montana.

Search flight deals

When did momondo last update prices for flights from Key West Airport to Montana?
Prices for flights from Key West Airport to Montana are refreshed on a daily basis.
How old do you have to be to fly from Key West Airport to Montana?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Key West Airport to Montana.
What documentation or ID do you need to fly to Montana?
The travel and health documents required for your trip to Montana 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 Montana. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Montana from Key West.

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

All flight searches from Key West to Montana on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Key West and Montana by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Montana, momondo offers a useful price alert feature which will track prices for flights to Montana from Key West and alert you when they change.