$172 Cheap Flights from Aspen (ASE) to Key West (EYW)

View $172 flight on Thu, Dec 11, 2025Opens in a new window

Popular airlines from Aspen/Pitkin County Airport (ASE) to Key West Intl. Airport (EYW)

Cheap Flights from Aspen to Key West (ASE-EYW)

Prices were available within the past 7 days and start at $172 for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Dec 22 - Wed, Dec 24
ASE
Aspen
EYW
Key West
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Dec 22 from Aspen to Key West, returning Wed, Dec 24, priced at $339 found 6 days ago
American Airlines
Mon, Dec 8 - Mon, Dec 15
ASE
Aspen
EYW
Key West
$469 Roundtrip, found 2 days ago
$469
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 8 from Aspen to Key West, returning Mon, Dec 15, priced at $469 found 2 days ago
American Airlines
Sat, Dec 13 - Mon, Dec 15
ASE
Aspen
EYW
Key West
$475 Roundtrip, found 2 days ago
$475
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Aspen to Key West, returning Mon, Dec 15, priced at $475 found 2 days ago
American Airlines
Tue, Dec 9 - Mon, Dec 15
ASE
Aspen
EYW
Key West
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 9 from Aspen to Key West, returning Mon, Dec 15, priced at $484 found 2 days ago
American Airlines
Wed, Dec 10 - Mon, Dec 15
ASE
Aspen
EYW
Key West
$490 Roundtrip, found 2 days ago
$490
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 10 from Aspen to Key West, returning Mon, Dec 15, priced at $490 found 2 days ago
American Airlines
Mon, Dec 8 - Thu, Dec 18
ASE
Aspen
EYW
Key West
$514 Roundtrip, found 2 days ago
$514
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Dec 8 from Aspen to Key West, returning Thu, Dec 18, priced at $514 found 2 days ago
American Airlines
Sat, Dec 13 - Thu, Dec 18
ASE
Aspen
EYW
Key West
$519 Roundtrip, found 2 days ago
$519
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Dec 13 from Aspen to Key West, returning Thu, Dec 18, priced at $519 found 2 days ago
American Airlines
Tue, Dec 9 - Thu, Dec 18
ASE
Aspen
EYW
Key West
$529 Roundtrip, found 2 days ago
$529
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Dec 9 from Aspen to Key West, returning Thu, Dec 18, priced at $529 found 2 days ago
American Airlines
Wed, Dec 10 - Thu, Dec 18
ASE
Aspen
EYW
Key West
$534 Roundtrip, found 2 days ago
$534
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 10 from Aspen to Key West, returning Thu, Dec 18, priced at $534 found 2 days ago
United
Sat, Dec 20 - Mon, Dec 22
ASE
Aspen
EYW
Key West
$593 Roundtrip, found 6 days ago
$593
Roundtrip
found 6 days ago
Select United flight, departing Sat, Dec 20 from Aspen to Key West, returning Mon, Dec 22, priced at $593 found 6 days ago
Flights from Aspen (ASE) to Key West (EYW)
Origin airport
Pitkin County
Destination airport
Key West Intl.
Airlines serving
American Airlines
Roundtrip price
$338
Distance
1777 mi

Aspen to Key West Flights

The cheapest times to fly from Aspen 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 Aspen to Key West are during the month of December. You can find some of the cheapest flights from Aspen to Key West with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Aspen 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 Aspen 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 Aspen to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $172 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 Aspen 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 Aspen 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 Pitkin County Airport (ASE) to Key West Intl. Airport (EYW) cost?
Lock in a cheap one-way flight from $172 or cheap return flight from $339 from Pitkin County Airport (ASE) 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 Pitkin County Airport (ASE) to Key West Intl. Airport (EYW)?
December is the cheapest month to fly from ASE to EYW. Traveling outside of peak seasons is often the key to finding a great deal.
What is the cheapest airline that flies from Pitkin County Airport (ASE) to Key West Intl. Airport (EYW)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest ASE to EYW flight.
How many flights per day from Pitkin County Airport (ASE) to Key West Intl. Airport (EYW)?
There aren't any daily direct flights departing from Pitkin County Airport (ASE) to Key West Intl. Airport (EYW). But you can opt for flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from ASE to EYW?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pitkin County Airport (ASE) to Key West Intl. Airport (EYW)?
To avoid possible delays on the Pitkin County Airport (ASE) to Key West Intl. Airport (EYW) route, aim to fly before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Pitkin County Airport (ASE) to Key West Intl. Airport (EYW) last-minute?
Booking your plane ticket from ASE to EYW just before your getaway is generally more expensive. However, if you're flexible with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ASE to EYW flight and hotel package?
Compared with arranging hotels and flights separately, booking an ASE to EYW flight and hotel package with Expedia could lead to significant savings. What's more, having it all in one place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Pitkin County Airport (ASE) to Key West Intl. Airport (EYW)?
Typically, you're able to cancel or reschedule your ASE to EYW flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want more information, head to our Customer Service portal.

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*Available to One Key members.