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Cheap flights from Key West to Washington, D.C. from $116

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 1/24. 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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Cheap round-trip flights

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Multiple Airlines Logo
11:45 am - 12:55 pmEYW-BWI
25h 10m2 stops
Multiple Airlines Logo
9:36 pm - 11:20 amBWI-EYW
13h 44m1 stop
$228Multiple Airlines
Find Deal
Tue, Nov 11 - Sat, Nov 15
Multiple Airlines Logo
8:55 am - 8:16 pmEYW-BWI
11h 21m1 stop
Multiple Airlines Logo
6:18 pm - 1:30 pmBWI-EYW
19h 12m1 stop
$241Multiple Airlines
Find Deal
Fri, Nov 7 - Tue, Jan 6
Multiple Airlines Logo
8:55 am - 10:45 pmEYW-BWI
13h 50m1 stop
Multiple Airlines Logo
1:47 pm - 10:09 amBWI-EYW
20h 22m2 stops
$245Multiple Airlines
Find Deal
Fri, Nov 7 - Tue, Jan 6
American Airlines Logo
5:36 pm - 8:31 pmEYW-DCA
2h 55mnonstop
American Airlines Logo
7:40 am - 10:47 amDCA-EYW
3h 07mnonstop
$256American Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 23
American Airlines Logo
6:33 pm - 11:33 pmEYW-BWI
5h 00m1 stop
American Airlines Logo
2:11 pm - 6:23 pmBWI-EYW
4h 12m1 stop
$259American Airlines
Find Deal
Tue, Dec 16 - Wed, Apr 29
Delta Logo
6:10 pm - 12:12 amEYW-IAD
6h 02m1 stop
Delta Logo
6:00 am - 10:58 amIAD-EYW
4h 58m1 stop
$274Delta
Find Deal
Tue, Dec 16 - Wed, Apr 29
Delta Logo
6:10 pm - 11:40 pmEYW-DCA
5h 30m1 stop
Delta Logo
6:00 am - 10:58 amDCA-EYW
4h 58m1 stop
$304Delta
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Tue, Dec 16 - Wed, Apr 29
Allegiant Air Logo
12:32 pm - 3:08 pmEYW-IAD
26h 36m1 stop
Allegiant Air Logo
8:22 pm - 4:55 pmIAD-EYW
20h 33m2 stops
$310Allegiant Air
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Sun, Nov 9 - Thu, Nov 13
United Airlines Logo
3:00 pm - 10:58 pmEYW-IAD
7h 58m1 stop
United Airlines Logo
6:00 am - 1:46 pmIAD-EYW
7h 46m1 stop
$329United Airlines
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Thu, Nov 20 - Sun, Nov 23
United Airlines Logo
3:00 pm - 9:34 pmEYW-DCA
6h 34m1 stop
United Airlines Logo
7:00 am - 1:46 pmDCA-EYW
6h 46m1 stop
$331United Airlines
Find Deal
Sat, Nov 22 - Sun, Nov 23

United Airlines flights from Key West to Washington, D.C.

Our best United Airlines deals on Key West to Washington, D.C. flight tickets
United Airlines
Nov 20
EYW3:00 pmKey West
7h 58m
1 stop
IAD10:58 pmWashington, D.C. Dulles Intl
Nov 23
IAD6:00 amWashington, D.C. Dulles Intl
7h 46m
1 stop
EYW1:46 pmKey West
$329
Find similar
United Airlines
Nov 22
EYW3:00 pmKey West
6h 34m
1 stop
DCA9:34 pmWashington, D.C. Reagan-National
Nov 23
DCA7:00 amWashington, D.C. Reagan-National
6h 46m
1 stop
EYW1:46 pmKey West
$331
Find similar
United Airlines
Nov 22
EYW3:00 pmKey West
7h 58m
1 stop
IAD10:58 pmWashington, D.C. Dulles Intl
Nov 30
IAD6:00 amWashington, D.C. Dulles Intl
7h 46m
1 stop
EYW1:46 pmKey West
$362
Find similar

American Airlines flights from Key West to Washington, D.C.

Our best American Airlines deals on Key West to Washington, D.C. flight tickets
American Airlines
Nov 22
EYW5:36 pmKey West
2h 55m
DCA8:31 pmWashington, D.C. Reagan-National
Nov 23
DCA7:40 amWashington, D.C. Reagan-National
3h 07m
EYW10:47 amKey West
$256
Find similar
American Airlines
Dec 16
EYW6:33 pmKey West
5h 00m
1 stop
BWI11:33 pmBaltimore/Washington
Apr 29
BWI2:11 pmBaltimore/Washington
4h 12m
1 stop
EYW6:23 pmKey West
$259
Find similar
American Airlines
Jan 20
EYW7:45 pmKey West
4h 49m
1 stop
DCA12:34 amWashington, D.C. Reagan-National
Jan 27
DCA12:51 pmWashington, D.C. Reagan-National
3h 16m
EYW4:07 pmKey West
$270
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Key West to Washington, D.C. 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 October 27, 2025.
Use the filters below to find and compare flights from Key West to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Tue 11/11

11:45 am-12:55 pm

2 stops25h 10m

Baltimore/Washington

Sat 11/15

9:36 pm-11:20 am

1 stop13h 44m

$228

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Fri 11/7

8:55 am-8:16 pm

1 stop11h 21m

Baltimore/Washington

Tue 1/6

6:18 pm-1:30 pm

1 stop19h 12m

$241

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Fri 11/7

8:55 am-10:45 pm

1 stop13h 50m

Baltimore/Washington

Tue 1/6

1:47 pm-10:09 am

2 stops20h 22m

$245

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 11/22

5:36 pm-8:31 pm

Nonstop2h 55m

Washington, D.C. Reagan-National

Sun 11/23

7:40 am-10:47 am

Nonstop3h 07m

$256

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Tue 12/16

6:33 pm-11:33 pm

1 stop5h 00m

Baltimore/Washington

Wed 4/29

2:11 pm-6:23 pm

1 stop4h 12m

$259

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Tue 12/16

6:10 pm-12:12 am

1 stop6h 02m

Washington, D.C. Dulles Intl

Wed 4/29

6:00 am-10:58 am

1 stop4h 58m

$274

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Tue 12/16

6:10 pm-11:40 pm

1 stop5h 30m

Washington, D.C. Reagan-National

Wed 4/29

6:00 am-10:58 am

1 stop4h 58m

$304

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Sun 11/9

12:32 pm-3:08 pm

1 stop26h 36m

Washington, D.C. Dulles Intl

Thu 11/13

8:22 pm-4:55 pm

2 stops20h 33m

$310

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 11/20

3:00 pm-10:58 pm

1 stop7h 58m

Washington, D.C. Dulles Intl

Sun 11/23

6:00 am-1:46 pm

1 stop7h 46m

$329

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 11/22

3:00 pm-9:34 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Sun 11/23

7:00 am-1:46 pm

1 stop6h 46m

$331

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.

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.?

What is the cheapest month to fly to Washington, D.C.?

The month of September is, on average, the cheapest month to fly to Washington, D.C. from Key West, with most prices found around $254. If you’re not able to fly to Washington, D.C. in September, then December is your next best option. Flight prices from Key West to Washington, D.C. during December average around $289.

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

On average, the least expensive day to fly to Washington, D.C. from Key West is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $392. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Key West to Washington, D.C. for around $659.

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

In the afternoon is the cheapest time of day to fly from Key West to Washington, D.C. when you can find flight prices for as low as $419. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $454. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There are 4 cabin classes available to choose from on Key West to Washington, D.C. 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. flights?

You could potentially save up to 18% on your flight if you consider stops on a Key West to Washington, D.C. flight.

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

When to book flights from Key West to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Key West to Washington, D.C. 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. (EYW to WAS) flight deals and tips

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

Best Price Found

$410

Fastest flight time

2h 43m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Key West in the past 72 hours is $410. The best round-trip flight deal from Key West to Washington, D.C. found on momondo in the last 72 hours is $255.
The fastest flight from Key West to Washington, D.C. takes 2h 43m
Direct flights go from Key West to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)
Search flight deals

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

    There are 1029.2 mi between Key West and Washington, D.C.. Typically, this will take 2h 36m by plane in normal conditions.

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

    Prices for flights from Key West Airport to Washington, D.C. were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, 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..

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

    The travel and health documents you'll need for your trip to Washington, D.C. may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C.. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Key West to Washington, D.C.

Compare and see reviews for airlines that fly from Key West to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $223Free CancellationRating
7.9
7,996 reviews
Search Delta flights
American AirlinesPriceFrom $224Free CancellationRating
7.2
11,033 reviews
Search American Airlines flights

  • American Airlines Flights From Key West to Washington, D.C.

    American Airlines is one of the most popular airlines flying from Key West to Washington, D.C., operating 7 flights/week on average for this route. A good American Airlines flight deal for Key West to Washington, D.C. starts from $224 round-trip, up to an average price of $341. 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

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

It is quick and easy to find Key West to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Yes. momondo allows you to filter the results for Key West to Washington, D.C. flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Key West. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Key West and alert you when they change.

An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport