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Cheap flights from Key West to Washington, D.C. from $206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Key West to Washington, D.C. departing on 4/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Key West to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:04 pm - 2:52 pm
EYW
-
DCA
2h 48mnonstop
American Airlines Logo
12:14 pm - 3:24 pm
DCA
-
EYW
3h 10mnonstop
$229American Airlines
Fri, May 1 - Sun, May 3
Delta Logo
2:32 pm - 8:59 pm
EYW
-
DCA
6h 27m
1 stop
Delta Logo
7:00 am - 1:30 pm
DCA
-
EYW
6h 30m
1 stop
$249Delta
Fri, May 8 - Sat, May 9
American Airlines Logo
12:02 pm - 2:47 pm
EYW
-
DCA
2h 45mnonstop
American Airlines Logo
8:55 am - 12:00 pm
DCA
-
EYW
3h 05mnonstop
$279American Airlines
Thu, Mar 5 - Mon, Mar 9
American Airlines Logo
12:04 pm - 2:52 pm
EYW
-
DCA
2h 48mnonstop
American Airlines Logo
6:00 am - 1:08 pm
DCA
-
EYW
7h 08m
1 stop
$296American Airlines
Fri, May 8 - Sat, May 9
United Airlines Logo
2:24 pm - 9:35 pm
EYW
-
DCA
7h 11m
1 stop
United Airlines Logo
7:00 am - 1:23 pm
DCA
-
EYW
6h 23m
1 stop
$299United Airlines
Thu, Mar 5 - Mon, Mar 9
Delta Logo
6:23 pm - 11:41 pm
EYW
-
DCA
5h 18m
1 stop
Delta Logo
6:00 am - 11:25 am
DCA
-
EYW
5h 25m
1 stop
$304Delta
Fri, May 1 - Sun, May 3
American Airlines Logo
5:03 pm - 7:59 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
11:39 am - 4:30 pm
DCA
-
EYW
4h 51m
1 stop
$314American Airlines
Fri, May 1 - Sun, May 3
Delta Logo
5:56 pm - 10:33 pm
EYW
-
DCA
4h 37m
1 stop
Delta Logo
6:00 am - 10:48 am
DCA
-
EYW
4h 48m
1 stop
$319Delta
Fri, Mar 6 - Tue, Mar 10
American Airlines Logo
12:10 pm - 3:06 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
8:20 am - 11:40 am
DCA
-
EYW
3h 20mnonstop
$321American Airlines
Wed, Jun 10 - Sat, Jun 13
Delta Logo
6:23 pm - 11:41 pm
EYW
-
DCA
5h 18m
1 stop
Delta Logo
6:00 am - 11:25 am
DCA
-
EYW
5h 25m
1 stop
$324Delta
Fri, May 1 - Sun, May 3

American Airlines flights from Key West to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Key West to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
May 1
EYW12:04 pmKey West
2h 48m
DCA2:52 pmWashington, D.C. Reagan-National
May 3
DCA12:14 pmWashington, D.C. Reagan-National
3h 10m
EYW3:24 pmKey West
$229
American Airlines
Mar 6
EYW11:57 amKey West
2h 48m
DCA2:45 pmWashington, D.C. Reagan-National
Mar 10
DCA12:19 pmWashington, D.C. Reagan-National
3h 07m
EYW3:26 pmKey West
$279
American Airlines
May 8
EYW12:04 pmKey West
2h 48m
DCA2:52 pmWashington, D.C. Reagan-National
May 9
DCA8:21 amWashington, D.C. Reagan-National
4h 47m
1 stop
EYW1:08 pmKey West
$296

Delta flights from Key West to Washington, D.C. Reagan-National Airport

Our best Delta deals on Key West to Washington, D.C. Reagan-National Airport flight tickets
Delta
May 8
EYW2:32 pmKey West
6h 27m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
May 9
DCA7:00 amWashington, D.C. Reagan-National
6h 30m
1 stop
EYW1:30 pmKey West
$249
Delta
May 1
EYW6:23 pmKey West
5h 18m
1 stop
DCA11:41 pmWashington, D.C. Reagan-National
May 3
DCA6:00 amWashington, D.C. Reagan-National
5h 25m
1 stop
EYW11:25 amKey West
$304
Delta
Mar 6
EYW5:56 pmKey West
4h 37m
1 stop
DCA10:33 pmWashington, D.C. Reagan-National
Mar 10
DCA6:00 amWashington, D.C. Reagan-National
4h 48m
1 stop
EYW10:48 amKey West
$319

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 22, 2026.
Use the filters below to find and compare flights from Key West to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 5/1

12:04 pm-2:52 pm

Nonstop2h 48m

Washington, D.C. Reagan-National

Sun 5/3

12:14 pm-3:24 pm

Nonstop3h 10m

$229

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 5/8

2:32 pm-8:59 pm

1 stop6h 27m

Washington, D.C. Reagan-National

Sat 5/9

7:00 am-1:30 pm

1 stop6h 30m

$249

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 3/5

12:02 pm-2:47 pm

Nonstop2h 45m

Washington, D.C. Reagan-National

Mon 3/9

8:55 am-12:00 pm

Nonstop3h 05m

$279

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 5/8

12:04 pm-2:52 pm

Nonstop2h 48m

Washington, D.C. Reagan-National

Sat 5/9

6:00 am-1:08 pm

1 stop7h 08m

$296

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 3/5

2:24 pm-9:35 pm

1 stop7h 11m

Washington, D.C. Reagan-National

Mon 3/9

7:00 am-1:23 pm

1 stop6h 23m

$299

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 5/1

6:23 pm-11:41 pm

1 stop5h 18m

Washington, D.C. Reagan-National

Sun 5/3

6:00 am-11:25 am

1 stop5h 25m

$304

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 5/1

5:03 pm-7:59 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Sun 5/3

11:39 am-4:30 pm

1 stop4h 51m

$314

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 3/6

5:56 pm-10:33 pm

1 stop4h 37m

Washington, D.C. Reagan-National

Tue 3/10

6:00 am-10:48 am

1 stop4h 48m

$319

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 6/10

12:10 pm-3:06 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Sat 6/13

8:20 am-11:40 am

Nonstop3h 20m

$321

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 5/1

6:23 pm-11:41 pm

1 stop5h 18m

Washington, D.C. Reagan-National

Sun 5/3

6:00 am-11:25 am

1 stop5h 25m

$324

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Key West to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Key West, with most prices found around $254. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $299.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Key West to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $339. Flights from Key West to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $927. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Key West to Washington, D.C. Reagan-National Airport flights are usually those with departure times at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $313. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $414.

What is the cheapest Key West to Washington, D.C. Reagan-National flight route?

Fly from Key West to Washington, D.C. Reagan-National for the best Key West - Washington, D.C. Reagan-National flight prices

What cabin class options are available on Key West to Washington, D.C. Reagan-National flights?

There are 3 cabin classes available to choose from on Key West to Washington, D.C. Reagan-National flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Key West to Washington, D.C. Reagan-National Airport flight prices changed over time?

As of February 2026, prices for Key West to Washington, D.C. Reagan-National Airport flights are approximately 115% more expensive when compared to flights at the same time last year.

When to book flights from Key West to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Key West to Washington, D.C. Reagan-National Airport (EYW to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Key West to Washington, D.C. Reagan-National Airport

Best Price Found

$237

Fastest flight time

2h 45m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Key West in the past 72 hours is $237. The best round-trip flight deal from Key West to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $309.
The fastest flight from Key West to Washington, D.C. Reagan-National Airport takes 2h 45m
Direct flights go from Key West to Washington, D.C. Reagan-National Airport every day.
Search flight deals

  • How far is Key West to Washington, D.C. Reagan-National by plane?

    The distance between Key West and Washington, D.C. Reagan-National is about 1025.6 mi. By plane, this route typically takes 2h 45m.

  • When did momondo last update prices for flights from Key West Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Key West Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Key West Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Key West Airport to Washington, D.C. Reagan-National Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Key West Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Key West to Washington, D.C. Reagan-National Airport?

  • What is the most popular airline from Key West to Washington, D.C. Reagan-National Airport?

Best airlines flying from Key West to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Key West to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $248Free CancellationRating
7.9
8,241 reviews
Search Delta flights
American AirlinesPriceFrom $254Free CancellationRating
7.2
11,338 reviews
Search American Airlines flights

  • American Airlines Flights From Key West to Washington, D.C. Reagan-National Airport

    American Airlines is one of the most popular airlines flying from Key West to Washington, D.C. Reagan-National Airport, operating 10 flights/week on average for this route. A good American Airlines flight deal for Key West to Washington, D.C. Reagan-National Airport starts from $254 round-trip, up to an average price of $394. Our users have rated American Airlines at 7.2/10.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Silver Spring
Tysons
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Linthicum Heights
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Key West to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Key West to Washington, D.C. for you.

Can I find flights from Key West to Washington, D.C. with flexible booking policies on momondo?

Yes. All flights to Washington, D.C. from Key West on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Key West to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Key West to Washington, D.C..

I’m not ready to book a flight from Key West to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Key West are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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