$100 Cheap Flights from Key West (EYW) to Washington (DCA)

View $100 flight on Fri, Jul 4, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

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

Prices were available within the past 7 days and start at $100 for one-way flights and $199 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, May 24 - Sun, May 25
EYW
Key West
DCA
Washington
$199 Roundtrip, found 2 days ago
$199
Roundtrip
found 2 days ago
Select Delta flight, departing Sat, May 24 from Key West to Washington, returning Sun, May 25, priced at $199 found 2 days ago
Delta
Sat, May 24 - Wed, May 28
EYW
Key West
DCA
Washington
$217 Roundtrip, found 4 days ago
$217
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 24 from Key West to Washington, returning Wed, May 28, priced at $217 found 4 days ago
Delta
Fri, Jul 4 - Mon, Jul 14
EYW
Key West
DCA
Washington
$234 Roundtrip, found 5 hours ago
$234
Roundtrip
found 5 hours ago
Select Delta flight, departing Fri, Jul 4 from Key West to Washington, returning Mon, Jul 14, priced at $234 found 5 hours ago
Delta
Thu, May 29 - Mon, Jun 2
EYW
Key West
DCA
Washington
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, May 29 from Key West to Washington, returning Mon, Jun 2, priced at $243 found 4 days ago
Delta
Fri, Jul 4 - Sat, Jul 12
EYW
Key West
DCA
Washington
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Jul 4 from Key West to Washington, returning Sat, Jul 12, priced at $249 found 2 days ago
American Airlines
Wed, Feb 4 - Tue, Feb 10
EYW
Key West
DCA
Washington
$249 Roundtrip, found 18 hours ago
$249
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Wed, Feb 4 from Key West to Washington, returning Tue, Feb 10, priced at $249 found 18 hours ago
Delta
Sat, May 24 - Thu, May 29
EYW
Key West
DCA
Washington
$258 Roundtrip, found 4 days ago
$258
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, May 24 from Key West to Washington, returning Thu, May 29, priced at $258 found 4 days ago
Silver Airways
Sun, May 25 - Wed, May 28
EYW
Key West
DCA
Washington
$295 Roundtrip, found 3 days ago
$295
Roundtrip
found 3 days ago
Select Silver Airways flight, departing Sun, May 25 from Key West to Washington, returning Wed, May 28, priced at $295 found 3 days ago
JetBlue Airways
Tue, May 27 - Fri, May 30
EYW
Key West
DCA
Washington
$316 Roundtrip, found 4 days ago
$316
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, May 27 from Key West to Washington, returning Fri, May 30, priced at $316 found 4 days ago
United
Fri, Jul 4 - Mon, Jul 14
EYW
Key West
DCA
Washington
$384 Roundtrip, found 5 hours ago
$384
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Jul 4 from Key West to Washington, returning Mon, Jul 14, priced at $384 found 5 hours ago
Flights from Key West (EYW) to Washington (DCA)
Origin airport
Key West Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$198
Distance
1025 mi

Key West to Washington Flights

The cheapest times to fly from Key West to Washington

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

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

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

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 Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $100 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 Washington 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 Washington 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 Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA) cost?
You can find affordable return tickets from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA) starting from $369. Grab your seat and get ready to go. 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 EYW on May 2 2025 and touching down at DCA. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from EYW to DCA?
The cheapest flights from EYW to DCA 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 Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
Hop on a direct flight with American Airlines and journey straight from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA).
What is the cheapest airline that flies from EYW to DCA?
With tickets starting at $244 for a one-way journey from EYW to DCA, American Airlines is currently the cheapest carrier operating this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from EYW on June 16 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
When jetting out of Key West Intl. Airport (EYW), you’ll have your pick from an average of 2 daily direct flights to Ronald Reagan Washington National Airport (DCA).
What are the most popular departure times for flights from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
Flights between EYW and DCA tend to be busiest at 11 AM. If you want a more relaxed trip and possibly cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from EYW to DCA?
If you depart on a Friday, you’ll get the greatest range of options for flights from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA).
What is the earliest flight from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
Key West Intl. Airport (EYW)’s earliest flight to Ronald Reagan Washington National Airport (DCA) departs at approximately 11:30AM UTC-5. With a total flight time of 2h 49m, you’ll touch down at around 2:19PM UTC-5.
How long does it take to fly from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
Flights from EYW to DCA have an average travel time of 2 hours and 50 minutes. The distance between the two airports is 1,050 mi.
What is the best time to fly from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
To avoid potential delays on the Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA) route, aim to fly before 3 PM. Departures after this time 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.
What airports do you fly into for Washington from Key West Intl. Airport (EYW)?
You can arrive at Ronald Reagan Washington National Airport (DCA) or Washington Dulles Intl. Airport (IAD) when traveling to Washington on a direct flight from Key West Intl. Airport (EYW).
Is it cheaper to buy a plane ticket from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA) last-minute?
Booking your ticket from EYW to DCA right before your journey is typically more expensive. But if you’re flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book an EYW to DCA flight and hotel package?
You’ll typically save money by booking an EYW to DCA 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 ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Key West Intl. Airport (EYW) to Ronald Reagan Washington National Airport (DCA)?
It’s generally possible to cancel or reschedule your EYW to DCA flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find further details on our Customer Service portal.

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*Available to One Key members.