$116 Cheap Flights from Key West (EYW) to Denver (DEN)

View $116 flight on Sun, Dec 21, 2025Opens in a new window

Popular airlines from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN)

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Cheap Flights from Key West to Denver (EYW-DEN)

Prices were available within the past 7 days and start at $116 for one-way flights and $231 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jan 24 - Sat, Jan 31
EYW
Key West
DEN
Denver
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Jan 24 from Key West to Denver, returning Sat, Jan 31, priced at $231 found 2 days ago
Delta
Wed, Apr 8 - Tue, Apr 14
EYW
Key West
DEN
Denver
$237 Roundtrip, found 11 hours ago
$237
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Apr 8 from Key West to Denver, returning Tue, Apr 14, priced at $237 found 11 hours ago
United
Fri, Nov 14 - Tue, Nov 18
EYW
Key West
DEN
Denver
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select United flight, departing Fri, Nov 14 from Key West to Denver, returning Tue, Nov 18, priced at $257 found 1 day ago
Delta
Wed, Apr 8 - Mon, Apr 13
EYW
Key West
DEN
Denver
$260 Roundtrip, found 11 hours ago
$260
Roundtrip
found 11 hours ago
Select Delta flight, departing Wed, Apr 8 from Key West to Denver, returning Mon, Apr 13, priced at $260 found 11 hours ago
Delta
Fri, Oct 24 - Tue, Nov 4
EYW
Key West
DEN
Denver
$263 Roundtrip, found 6 days ago
$263
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Oct 24 from Key West to Denver, returning Tue, Nov 4, priced at $263 found 6 days ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
EYW
Key West
DEN
Denver
$274 Roundtrip, found 4 days ago
$274
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Nov 8 from Key West to Denver, returning Tue, Nov 11, priced at $274 found 4 days ago
Delta
Wed, Jan 7 - Sat, Jan 10
EYW
Key West
DEN
Denver
$277 Roundtrip, found 5 days ago
$277
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Jan 7 from Key West to Denver, returning Sat, Jan 10, priced at $277 found 5 days ago
Delta
Sat, Jan 17 - Tue, Jan 27
EYW
Key West
DEN
Denver
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Jan 17 from Key West to Denver, returning Tue, Jan 27, priced at $278 found 3 days ago
American Airlines
Sat, Nov 8 - Tue, Nov 11
EYW
Key West
DEN
Denver
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Nov 8 from Key West to Denver, returning Tue, Nov 11, priced at $279 found 4 days ago
JetBlue Airways
Wed, Jan 7 - Sun, Jan 11
EYW
Key West
DEN
Denver
$285 Roundtrip, found 2 days ago
$285
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Jan 7 from Key West to Denver, returning Sun, Jan 11, priced at $285 found 2 days ago

Find the cheapest month to fly from Key West (EYW) to Denver (DEN)

August is typically the cheapest month to fly

From $217 - $510 per traveler.

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city center is 32 minutes. Flights from $260
DEN
Denver Intl.
Cheapest
Average driving time to city center32 min
Flights from $260

Frequently asked questions

How much does a flight from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN) cost?
Get a cheap one-way flight from $116 or cheap return flight from $231 from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN)?
Traveling in January is a good way to save, as it's the cheapest month for flights between EYW and DEN. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from EYW to DEN. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN)?
There aren't any daily direct flights from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from EYW to DEN?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the season, airline 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 Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN)?
To arrive at Denver Intl. Airport (DEN) on schedule, book a flight that leaves Key West Intl. Airport (EYW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN) last-minute?
Last-minute fares from EYW to DEN are typically more expensive. To lock in the cheapest rates, start searching for flights well in advance. That being said, if you're flexible with your travel dates, it's possible to find a cheap ticket just before your departure.
Is it cheaper to book an EYW to DEN flight and hotel package?
Opting for an EYW to DEN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Key West Intl. Airport (EYW) to Denver Intl. Airport (DEN)?
If you reserved your EYW to DEN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Travel information

Origin airport
Key West Intl.
Destination airport
Denver Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$230
Distance
1697 mi

Book with confidence

Book with confidence

Key West to Denver Flights

The cheapest times to fly from Key West to Denver

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 Key West to Denver are during the month of January. You can find some of the cheapest flights from Key West to Denver with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Key West to Denver: 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 Key West to Denver

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 Key West to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $116 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 Key West to Denver 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 Key West to Denver 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.

 

Key West to Denver Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.