$341 Cheap Flights from Kalispell (FCA) to Key West (EYW)

View $341 flight on Tue, Apr 7, 2026Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW)

Cheap Flights from Kalispell to Key West (FCA-EYW)

Prices were available within the past 7 days and start at $341 for one-way flights and $709 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 16 - Fri, Sep 26
FCA
Kalispell
EYW
Key West
$709 Roundtrip, found 4 days ago
$709
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 16 from Kalispell to Key West, returning Fri, Sep 26, priced at $709 found 4 days ago
United
Mon, Sep 15 - Fri, Sep 26
FCA
Kalispell
EYW
Key West
$713 Roundtrip, found 4 days ago
$713
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 15 from Kalispell to Key West, returning Fri, Sep 26, priced at $713 found 4 days ago
United
Tue, Sep 16 - Tue, Sep 23
FCA
Kalispell
EYW
Key West
$719 Roundtrip, found 4 days ago
$719
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 16 from Kalispell to Key West, returning Tue, Sep 23, priced at $719 found 4 days ago
United
Mon, Sep 15 - Tue, Sep 23
FCA
Kalispell
EYW
Key West
$723 Roundtrip, found 4 days ago
$723
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 15 from Kalispell to Key West, returning Tue, Sep 23, priced at $723 found 4 days ago
American Airlines
Mon, Sep 15 - Wed, Sep 24
FCA
Kalispell
EYW
Key West
$732 Roundtrip, found 4 days ago
$732
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Sep 15 from Kalispell to Key West, returning Wed, Sep 24, priced at $732 found 4 days ago
Delta
Sat, Jan 24 - Sat, Jan 31
FCA
Kalispell
EYW
Key West
$750 Roundtrip, found 4 hours ago
$750
Roundtrip
found 4 hours ago
Select Delta flight, departing Sat, Jan 24 from Kalispell to Key West, returning Sat, Jan 31, priced at $750 found 4 hours ago
Delta
Fri, Sep 19 - Fri, Sep 26
FCA
Kalispell
EYW
Key West
$757 Roundtrip, found 4 days ago
$757
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Sep 19 from Kalispell to Key West, returning Fri, Sep 26, priced at $757 found 4 days ago
American Airlines
Thu, Sep 18 - Sat, Sep 27
FCA
Kalispell
EYW
Key West
$761 Roundtrip, found 4 days ago
$761
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Sep 18 from Kalispell to Key West, returning Sat, Sep 27, priced at $761 found 4 days ago
United
Sat, Sep 13 - Fri, Sep 26
FCA
Kalispell
EYW
Key West
$763 Roundtrip, found 4 days ago
$763
Roundtrip
found 4 days ago
Select United flight, departing Sat, Sep 13 from Kalispell to Key West, returning Fri, Sep 26, priced at $763 found 4 days ago
American Airlines
Mon, Sep 15 - Mon, Sep 22
FCA
Kalispell
EYW
Key West
$773 Roundtrip, found 4 days ago
$773
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Sep 15 from Kalispell to Key West, returning Mon, Sep 22, priced at $773 found 4 days ago
Flights from Kalispell (FCA) to Key West (EYW)
Origin airport
Glacier Park Intl.
Destination airport
Key West Intl.
Airlines serving
Delta, United
Roundtrip price
$708
Distance
2408 mi

Kalispell to Key West Flights

The cheapest times to fly from Kalispell to Key West

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Key West are during the month of September. You can find some of the cheapest flights from Kalispell to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Key West

Sunday is one of the best days to book for cheap flights from Kalispell to Key West: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kalispell to Key West

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $341 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Key West flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to Key West airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW) cost?
Get a cheap one-way flight from $341 or cheap return flight from $709 from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW)?
September is the most affordable month to fly from FCA to EYW. Traveling during an off-peak travel window is often the key to scoring lower fares.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest FCA to EYW flight.
How many flights per day from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW)?
You'll need to book a flight with a layover when traveling from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from FCA to EYW?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW)?
To avoid potential delays on the Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW) route, fly before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW) last-minute?
Last-minute fares from FCA to EYW are generally more expensive. For the cheapest rates, start looking for flights as early as possible. That being said, if you're flexible with your travel plans, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a FCA to EYW flight and hotel package?
You'll generally save money by securing a FCA to EYW flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After selecting your preferred accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Key West Intl. Airport (EYW)?
Typically, you can cancel or modify your FCA to EYW flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, visit our Customer Service portal.

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*Available to One Key members.