$117 Cheap Flights from Washington (DCA) to Key West (EYW)

View $117 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)

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Cheap Flights from Washington to Key West (DCA-EYW)

Prices were available within the past 7 days and start at $117 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
Tue, Jan 6 - Sat, Jan 10
DCA
Washington
EYW
Key West
$231 Roundtrip, found 13 hours ago
$231
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Tue, Jan 6 from Washington to Key West, returning Sat, Jan 10, priced at $231 found 13 hours ago
Delta
Wed, Feb 11 - Wed, Feb 18
DCA
Washington
EYW
Key West
$241 Roundtrip, found 20 hours ago
$241
Roundtrip
found 20 hours ago
Select Delta flight, departing Wed, Feb 11 from Washington to Key West, returning Wed, Feb 18, priced at $241 found 20 hours ago
Delta
Sat, Jan 24 - Tue, Jan 27
DCA
Washington
EYW
Key West
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Jan 24 from Washington to Key West, returning Tue, Jan 27, priced at $243 found 1 day ago
United
Wed, Jun 3 - Sat, Jun 6
DCA
Washington
EYW
Key West
$244 Roundtrip, found 14 hours ago
$244
Roundtrip
found 14 hours ago
Select United flight, departing Wed, Jun 3 from Washington to Key West, returning Sat, Jun 6, priced at $244 found 14 hours ago
Delta
Tue, Feb 17 - Thu, Mar 5
DCA
Washington
EYW
Key West
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Delta flight, departing Tue, Feb 17 from Washington to Key West, returning Thu, Mar 5, priced at $249 just found
Delta
Thu, Jan 1 - Wed, Jan 7
DCA
Washington
EYW
Key West
$250 Roundtrip, found 1 day ago
$250
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Jan 1 from Washington to Key West, returning Wed, Jan 7, priced at $250 found 1 day ago
Delta
Tue, Jan 6 - Wed, Jan 7
DCA
Washington
EYW
Key West
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 6 from Washington to Key West, returning Wed, Jan 7, priced at $251 found 1 day ago
American Airlines
Tue, Dec 2 - Fri, Dec 5
DCA
Washington
EYW
Key West
$251 Roundtrip, found 3 days ago
$251
Roundtrip
found 3 days ago
Select American Airlines flight, departing Tue, Dec 2 from Washington to Key West, returning Fri, Dec 5, priced at $251 found 3 days ago
American Airlines
Wed, Feb 11 - Sat, Feb 14
DCA
Washington
EYW
Key West
$270 Roundtrip, found 2 days ago
$270
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Feb 11 from Washington to Key West, returning Sat, Feb 14, priced at $270 found 2 days ago
JetBlue Airways
Sun, Jan 18 - Thu, Jan 22
DCA
Washington
EYW
Key West
$324 Roundtrip, found 3 hours ago
$324
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Sun, Jan 18 from Washington to Key West, returning Thu, Jan 22, priced at $324 found 3 hours ago

Find the cheapest month to fly from Washington (DCA) to Key West (EYW)

May is typically the cheapest month to fly

From $198 - $471 per traveler.

Alternative airports near Key West

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

Select flight to Key West Intl. EYW. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $339
EYW
Key West Intl.
CheapestClosest
Average driving time to city center8 min
Flights from $339

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW) cost?
Get a cheap one-way flight from $117 or cheap return flight from $231 from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
January is the least expensive month to fly from DCA to EYW. Traveling during an off-peak travel window is often the key to scoring lower fares.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
Take a nonstop flight with American Airlines and head straight from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW).
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest DCA to EYW flight.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
When taking off from Ronald Reagan Washington National Airport (DCA), you'll have your pick from an average of 2 daily direct flights to Key West Intl. Airport (EYW).
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
Flights between DCA and EYW are their busiest at 7 AM. If you'd like a more relaxed trip and possibly cheaper prices, choose a departure outside the usual busy windows.
What day of the week has the most flights from DCA to EYW?
Friday offers the most flights from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW). Consider leaving on this day and you'll have a greater chance of finding a departure that works with your plans.
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
The earliest flight leaving from Ronald Reagan Washington National Airport (DCA) is at around 7:43AM UTC-5. Board this plane and you'll touch down at Key West Intl. Airport (EYW) at approximately 11:00AM UTC-5. The entire trip takes 3h 17m.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
Typically, it takes 3 hours and 14 minutes to travel the 1,050 mi from DCA to EYW.
What airline has the least delays from DCA to EYW?
With 81% of flights generally arriving on schedule, American Airlines has the best on-time performance for nonstop flights from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW). To check your flight status and get notified about any changes, head to the Expedia App.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW) route, aim to fly before 3 PM. Flights after this time 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.
What airports do you fly into for Key West from Ronald Reagan Washington National Airport (DCA)?
Check out your flight options from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW). This is the only airport in Key West you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW) last-minute?
Waiting until just before your trip to book a flight from DCA to EYW often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for the best chance of getting a bargain.
Is it cheaper to book a DCA to EYW flight and hotel package?
Compared with arranging flights and hotels separately, booking a DCA to EYW flight and hotel package with Expedia could lead to significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Simply pick your flights and select from our extensive range of hotels, then personalize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW)?
Typically, you're able to cancel or reschedule your DCA to EYW flight. However, additional charges may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more details, visit our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$231
Distance
1025 mi
Average flight time
3 hours 6 mins

Book with confidence

Washington to Key West Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington to Key West in 2025. You can also book with separate airlines for your outbound and return journeys, from $117 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 Washington 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 Washington 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.

 

Washington to Key West Flights

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*Available to One Key members.