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.

$189 Cheap Flights from Key West to Montana in 2026/27

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.

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

2:00 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

19h 24m2 stops San Francisco Chicago O'Hare Intl

$853United Airlines

Wed, Dec 9 - Sat, Dec 12

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

2:00 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

19h 24m2 stops San Francisco Chicago O'Hare Intl

$882United Airlines

Wed, Dec 9 - Sat, Dec 12

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

2:00 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

19h 24m2 stops San Francisco Chicago O'Hare Intl

$902United Airlines

Wed, Dec 9 - Sat, Dec 12

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

2:41 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

18h 43m3 stops Denver Intl Grand Rapids Gerald R. Ford Intl Chicago O'Hare Intl

$917United Airlines

Wed, Dec 9 - Sat, Dec 12

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

27h 09m3 stops Denver Intl Grand Rapids Gerald R. Ford Intl Chicago O'Hare Intl

$947United Airlines

Wed, Dec 9 - Sat, Dec 12

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

2:00 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

19h 24m2 stops San Francisco Chicago O'Hare Intl

$965United Airlines

Wed, Dec 9 - Sat, Dec 12

12:05 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

11h 42m2 stops Chicago O'Hare Intl Denver Intl

6:15 am - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

27h 09m3 stops Denver Intl Grand Rapids Gerald R. Ford Intl Chicago O'Hare Intl

$967United Airlines

Wed, Dec 9 - Sat, Dec 12

4:10 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

31h 37m3 stops Chicago O'Hare Intl Rapid City Denver Intl

2:00 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

19h 24m2 stops San Francisco Chicago O'Hare Intl

$1,014United Airlines

Wed, Dec 9 - Sat, Dec 12

4:10 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

31h 37m3 stops Chicago O'Hare Intl Rapid City Denver Intl

6:15 am - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

27h 09m3 stops Denver Intl Grand Rapids Gerald R. Ford Intl Chicago O'Hare Intl

$1,078United Airlines

Wed, Dec 9 - Sat, Dec 12

4:10 pm - 9:47 pmEYW Key West-MSO Missoula Johnson-Bell Field

31h 37m3 stops Chicago O'Hare Intl Rapid City Denver Intl

2:41 pm - 11:24 amMSO Missoula Johnson-Bell Field-EYW Key West

18h 43m3 stops Denver Intl Grand Rapids Gerald R. Ford Intl Chicago O'Hare Intl

$1,092United Airlines

Wed, Dec 9 - Sat, Dec 12

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United Airlines flights from Key West to Montana

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

United Airlines

Dec 9

EYW12:05 pmKey West

11h 42m

2 stops

MSO9:47 pmMissoula Johnson-Bell Field

Dec 12

MSO2:00 pmMissoula Johnson-Bell Field

19h 24m

2 stops

EYW11:24 amKey West

$853

United Airlines

Dec 9

EYW12:05 pmKey West

11h 42m

2 stops

MSO9:47 pmMissoula Johnson-Bell Field

Dec 12

MSO2:00 pmMissoula Johnson-Bell Field

19h 24m

2 stops

EYW11:24 amKey West

$882

United Airlines

Dec 9

EYW12:05 pmKey West

11h 42m

2 stops

MSO9:47 pmMissoula Johnson-Bell Field

Dec 12

MSO2:00 pmMissoula Johnson-Bell Field

19h 24m

2 stops

EYW11:24 amKey West

$902

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

2:00 pm-11:24 am

2 stops19h 24m

$853

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

2:00 pm-11:24 am

2 stops19h 24m

$882

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

2:00 pm-11:24 am

2 stops19h 24m

$902

Quickest round-trip

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

2:41 pm-11:24 am

3 stops18h 43m

$917

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

6:15 am-11:24 am

3 stops27h 09m

$947

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

2:00 pm-11:24 am

2 stops19h 24m

$965

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

12:05 pm-9:47 pm

2 stops11h 42m

Missoula Johnson-Bell Field

Sat 12/12

6:15 am-11:24 am

3 stops27h 09m

$967

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

4:10 pm-9:47 pm

3 stops31h 37m

Missoula Johnson-Bell Field

Sat 12/12

2:00 pm-11:24 am

2 stops19h 24m

$1,014

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

4:10 pm-9:47 pm

3 stops31h 37m

Missoula Johnson-Bell Field

Sat 12/12

6:15 am-11:24 am

3 stops27h 09m

$1,078

Key WestMissoula

EYW Key West - MSO Missoula Johnson-Bell Field

EYWMSO

Key West

Wed 12/9

4:10 pm-9:47 pm

3 stops31h 37m

Missoula Johnson-Bell Field

Sat 12/12

2:41 pm-11:24 am

3 stops18h 43m

$1,092

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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

Best Price Found	$189
Fastest flight time	11h 42m
Direct flights	None

The best one-way flight to Montana from Key West in the past 72 hours is $189. The best round-trip flight deal from Key West to Montana found on momondo in the last 72 hours is $853.

The fastest flight from Key West to Montana takes 11h 42m

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

Search flight deals

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.