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Cheap flights from Key West to Washington, D.C. from $234

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 7/7. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
12:18 pm - 3:14 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
5:00 am - 10:55 am
DCA
-
EYW
5h 55m
1 stop
$393American Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
7:40 pm - 12:41 am
EYW
-
DCA
5h 01m
1 stop
American Airlines Logo
11:55 am - 7:06 pm
DCA
-
EYW
7h 11m
1 stop
$403American Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
5:19 pm - 8:15 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
8:33 am - 11:48 am
DCA
-
EYW
3h 15mnonstop
$412American Airlines
Sat, Jul 11 - Wed, Jul 15
American Airlines Logo
12:18 pm - 3:18 pm
EYW
-
DCA
3h 00mnonstop
American Airlines Logo
8:20 am - 11:36 am
DCA
-
EYW
3h 16mnonstop
$428American Airlines
Tue, Aug 4 - Thu, Aug 13
American Airlines Logo
5:19 pm - 8:15 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
1:00 pm - 4:15 pm
DCA
-
EYW
3h 15mnonstop
$429American Airlines
Sat, Jul 11 - Sun, Jul 12
American Airlines Logo
12:18 pm - 3:14 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
8:33 am - 11:48 am
DCA
-
EYW
3h 15mnonstop
$430American Airlines
Wed, Jul 1 - Wed, Jul 8
American Airlines Logo
7:40 pm - 12:49 am
EYW
-
DCA
5h 09m
1 stop
American Airlines Logo
8:33 am - 11:48 am
DCA
-
EYW
3h 15mnonstop
$438American Airlines
Fri, Jul 3 - Mon, Jul 6
American Airlines Logo
12:18 pm - 3:14 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
1:30 pm - 4:36 pm
DCA
-
EYW
3h 06mnonstop
$441American Airlines
Wed, Jun 10 - Sat, Jun 13
American Airlines Logo
7:40 pm - 12:49 am
EYW
-
DCA
5h 09m
1 stop
American Airlines Logo
5:00 am - 12:14 pm
DCA
-
EYW
7h 14m
1 stop
$448American Airlines
Fri, Jul 3 - Mon, Jul 6
American Airlines Logo
12:18 pm - 3:14 pm
EYW
-
DCA
2h 56mnonstop
American Airlines Logo
1:44 pm - 7:19 pm
DCA
-
EYW
5h 35m
1 stop
$451American Airlines
Wed, Jun 10 - Sat, Jun 13

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

Our best United Airlines deals on Key West to Washington, D.C. Reagan-National Airport flight tickets
United Airlines
Jun 11
EYW3:55 pmKey West
6h 59m
1 stop
DCA10:54 pmWashington, D.C. Reagan-National
Jun 14
DCA6:15 amWashington, D.C. Reagan-National
8h 54m
1 stop
EYW3:09 pmKey West
$551
United Airlines
Jul 2
EYW4:00 pmKey West
15h 46m
2 stops
DCA7:46 amWashington, D.C. Reagan-National
Jul 6
DCA6:00 amWashington, D.C. Reagan-National
7h 30m
1 stop
EYW1:30 pmKey West
$614
United Airlines
Jul 2
EYW4:00 pmKey West
6h 54m
1 stop
DCA10:54 pmWashington, D.C. Reagan-National
Jul 6
DCA11:00 amWashington, D.C. Reagan-National
28h 19m
2 stops
EYW3:19 pmKey West
$639

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
Jul 1
EYW12:18 pmKey West
2h 56m
DCA3:14 pmWashington, D.C. Reagan-National
Jul 8
DCA5:00 amWashington, D.C. Reagan-National
5h 55m
1 stop
EYW10:55 amKey West
$393
American Airlines
Jul 1
EYW7:40 pmKey West
5h 01m
1 stop
DCA12:41 amWashington, D.C. Reagan-National
Jul 8
DCA11:55 amWashington, D.C. Reagan-National
7h 11m
1 stop
EYW7:06 pmKey West
$403
American Airlines
Jul 11
EYW5:19 pmKey West
2h 56m
DCA8:15 pmWashington, D.C. Reagan-National
Jul 15
DCA8:33 amWashington, D.C. Reagan-National
3h 15m
EYW11:48 amKey West
$412

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 May 28, 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

Cheapest round-trip

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 7/1

12:18 pm-3:14 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Wed 7/8

5:00 am-10:55 am

1 stop5h 55m

$393

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 7/1

7:40 pm-12:41 am

1 stop5h 01m

Washington, D.C. Reagan-National

Wed 7/8

11:55 am-7:06 pm

1 stop7h 11m

$403

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 7/11

5:19 pm-8:15 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Wed 7/15

8:33 am-11:48 am

Nonstop3h 15m

$412

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Tue 8/4

12:18 pm-3:18 pm

Nonstop3h 00m

Washington, D.C. Reagan-National

Thu 8/13

8:20 am-11:36 am

Nonstop3h 16m

$428

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 7/11

5:19 pm-8:15 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Sun 7/12

1:00 pm-4:15 pm

Nonstop3h 15m

$429

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 7/1

12:18 pm-3:14 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Wed 7/8

8:33 am-11:48 am

Nonstop3h 15m

$430

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 7/3

7:40 pm-12:49 am

1 stop5h 09m

Washington, D.C. Reagan-National

Mon 7/6

8:33 am-11:48 am

Nonstop3h 15m

$438
Quickest round-trip

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 6/10

12:18 pm-3:14 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Sat 6/13

1:30 pm-4:36 pm

Nonstop3h 06m

$441

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 7/3

7:40 pm-12:49 am

1 stop5h 09m

Washington, D.C. Reagan-National

Mon 7/6

5:00 am-12:14 pm

1 stop7h 14m

$448

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 6/10

12:18 pm-3:14 pm

Nonstop2h 56m

Washington, D.C. Reagan-National

Sat 6/13

1:44 pm-7:19 pm

1 stop5h 35m

$451

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 typical price of a round-trip flight between Key West and Washington, D.C. Reagan-National Airport?

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

The month of May is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Key West, with most prices found around $249. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $254.

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 Thursday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as $313. Flights from Key West to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $733. 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 in the afternoon. Our users have found flights to Washington, D.C. Reagan-National Airport in the afternoon for as low as $359. 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 $413.

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 Airport flights?

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

Can stopping save me money on Key West to Washington, D.C. Reagan-National Airport flights?

No. A direct flight is the cheapest option for a flight between Key West to Washington, D.C. Reagan-National Airport.

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

As of May 2026, prices for Key West to Washington, D.C. Reagan-National Airport flights are approximately 279% 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

$178

Fastest flight time

2h 56m

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 $178. 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 $383.
The fastest flight from Key West to Washington, D.C. Reagan-National Airport takes 2h 56m
Direct flights go from Key West to Washington, D.C. Reagan-National Airport every day.
Search flight deals

Frequently asked questions about flying from Key West to Washington, D.C. Reagan-National Airport

  • 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 56m.

  • 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
American AirlinesPriceFrom $254Free CancellationRating
7.1
11,639 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 5 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 $388. Our users have rated American Airlines at 7.1/10.

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
Laurel
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Rockville
Towson
Manassas
Linthicum Heights
Tysons
Springfield
Bethesda
Fairfax
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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