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

Delta and American Airlines are the most popular carriers 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.

$347 Cheap Flights from Key West to Montana in 2026

Find the cheapest flights from Key West to Montana

One-way

Cheap one-way flights

Enter your travel dates to find the best prices.

7:40 am - 5:45 pm

EYW

MSO

12h 05m

2 stops

$347Delta

Fri, Oct 23

3:27 pm - 9:39 am

EYW

MSO

44h 12m

3 stops

$428Multiple Airlines

Mon, Aug 10

7:40 am - 5:45 pm

EYW

MSO

12h 05m

2 stops

$438Delta

Fri, Oct 23

7:40 am - 5:45 pm

EYW

MSO

12h 05m

2 stops

$448Delta

Fri, Oct 23

11:48 am - 12:18 am

EYW

MSO

14h 30m

2 stops

$693Delta

Mon, Aug 10

2:34 pm - 1:18 pm

EYW

MSO

24h 44m

1 stop

$781American Airlines

Fri, Oct 23

2:35 pm - 1:15 pm

EYW

MSO

24h 40m

1 stop

$781American Airlines

Fri, Oct 23

4:56 pm - 12:42 pm

EYW

MSO

21h 46m

1 stop

$825American Airlines

Mon, Aug 10

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Route

Depart

Return

Price

Cheapest one-way

Quickest one-way

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Fri 10/23

7:40 am-5:45 pm

2 stops12h 05m

$347

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 8/10

3:27 pm-9:39 am

3 stops44h 12m

$428

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Fri 10/23

7:40 am-5:45 pm

2 stops12h 05m

$438

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Fri 10/23

7:40 am-5:45 pm

2 stops12h 05m

$448

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 8/10

11:48 am-12:18 am

2 stops14h 30m

$693

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Fri 10/23

2:34 pm-1:18 pm

1 stop24h 44m

$781

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Fri 10/23

2:35 pm-1:15 pm

1 stop24h 40m

$781

Key WestMissoula

EYW - MSO

EYWMSO

Key West

Mon 8/10

4:56 pm-12:42 pm

1 stop21h 46m

$825

Flights are sorted by cheapest round-trip flights first.

Sorted 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 37% 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	23h 22m
Direct flights	None

The fastest flight from Key West to Montana takes 23h 22m

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

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Frequently asked questions about flying 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.

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.