$90 Cheap Flights from Washington (DCA) to Key West (EYW)

View $90 flight on Sat, Jul 5, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $90 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 1 - Fri, Jul 4
DCA
Washington
EYW
Key West
$199 Roundtrip, found 1 hour ago
$199
Roundtrip
found 1 hour ago
Select Delta flight, departing Tue, Jul 1 from Washington to Key West, returning Fri, Jul 4, priced at $199 found 1 hour ago
Delta
Sun, May 25 - Fri, May 30
DCA
Washington
EYW
Key West
$202 Roundtrip, found 13 hours ago
$202
Roundtrip
found 13 hours ago
Select Delta flight, departing Sun, May 25 from Washington to Key West, returning Fri, May 30, priced at $202 found 13 hours ago
American Airlines
Sat, May 31 - Thu, Jun 5
DCA
Washington
EYW
Key West
$214 Roundtrip, found 6 days ago
$214
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, May 31 from Washington to Key West, returning Thu, Jun 5, priced at $214 found 6 days ago
American Airlines
Sun, May 25 - Fri, May 30
DCA
Washington
EYW
Key West
$222 Roundtrip, found 13 hours ago
$222
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Sun, May 25 from Washington to Key West, returning Fri, May 30, priced at $222 found 13 hours ago
United
Tue, Jul 1 - Fri, Jul 4
DCA
Washington
EYW
Key West
$224 Roundtrip, found 1 hour ago
$224
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Jul 1 from Washington to Key West, returning Fri, Jul 4, priced at $224 found 1 hour ago
Delta
Tue, Jul 1 - Wed, Jul 2
DCA
Washington
EYW
Key West
$229 Roundtrip, found 8 hours ago
$229
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Jul 1 from Washington to Key West, returning Wed, Jul 2, priced at $229 found 8 hours ago
American Airlines
Wed, May 28 - Tue, Jun 3
DCA
Washington
EYW
Key West
$229 Roundtrip, found 12 hours ago
$229
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, May 28 from Washington to Key West, returning Tue, Jun 3, priced at $229 found 12 hours ago
Delta
Sun, May 25 - Fri, May 30
DCA
Washington
EYW
Key West
$232 Roundtrip, found 13 hours ago
$232
Roundtrip
found 13 hours ago
Select Delta flight, departing Sun, May 25 from Washington to Key West, returning Fri, May 30, priced at $232 found 13 hours ago
Delta
Tue, Jul 1 - Thu, Jul 10
DCA
Washington
EYW
Key West
$234 Roundtrip, found 8 hours ago
$234
Roundtrip
found 8 hours ago
Select Delta flight, departing Tue, Jul 1 from Washington to Key West, returning Thu, Jul 10, priced at $234 found 8 hours ago
JetBlue Airways
Sun, Oct 26 - Thu, Oct 30
DCA
Washington
EYW
Key West
$391 Roundtrip, found 17 hours ago
$391
Roundtrip
found 17 hours ago
Select JetBlue Airways flight, departing Sun, Oct 26 from Washington to Key West, returning Thu, Oct 30, priced at $391 found 17 hours ago
Flights from Washington (DCA) to Key West (EYW)
Origin airport
Ronald Reagan Washington National
Destination airport
Key West Intl.
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$198
Distance
1025 mi

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 July. 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 $90 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.

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW) cost?
Find cheap return tickets from Ronald Reagan Washington National Airport (DCA) to Key West Intl. Airport (EYW) starting at $363. Book a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines flight leaving DCA on April 26 2025 and touching down at EYW. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to EYW?
The cheapest flights from DCA to EYW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 DCA to EYW?
With tickets starting at $152 for a one-way journey from DCA to EYW, American Airlines is currently the cheapest carrier flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on July 4 2025. Prices were last updated on April 23 2025 and have not changed since.
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.

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*Available to One Key members.