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Cheap flights from Key West to Washington, D.C. from $218

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 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
12:24 pm - 3:16 pmEYW-DCA
2h 52mnonstop
American Airlines Logo
1:44 pm - 4:38 pmDCA-EYW
2h 54mnonstop
$249American Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
Delta Logo
6:00 pm - 12:12 amEYW-BWI
6h 12m1 stop
Delta Logo
10:00 am - 5:12 pmBWI-EYW
7h 12m1 stop
$259Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
American Airlines Logo
11:25 am - 11:02 pmEYW-BWI
11h 37m2 stops
American Airlines Logo
6:19 am - 10:54 amBWI-EYW
4h 35m1 stop
$264American Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
Delta Logo
2:35 pm - 9:14 pmEYW-DCA
6h 39m1 stop
Delta Logo
12:05 pm - 7:44 pmDCA-EYW
7h 39m1 stop
$269Delta
Find Deal
Wed, Sep 17 - Sat, Sep 20
American Airlines Logo
11:25 am - 11:02 pmEYW-BWI
11h 37m2 stops
American Airlines Logo
10:05 am - 6:59 pmBWI-EYW
8h 54m2 stops
$269American Airlines
Find Deal
Fri, Sep 12 - Tue, Sep 16
Delta Logo
6:00 pm - 12:07 amEYW-IAD
6h 07m1 stop
Delta Logo
6:00 am - 10:59 amIAD-EYW
4h 59m1 stop
$269Delta
Find Deal
Fri, Sep 12 - Tue, Sep 16
American Airlines Logo
7:51 pm - 12:17 amEYW-BWI
4h 26m1 stop
American Airlines Logo
6:20 am - 12:00 pmBWI-EYW
5h 40m1 stop
$289American Airlines
Find Deal
Wed, Jul 9 - Sun, Jul 13
American Airlines Logo
1:59 pm - 8:06 pmEYW-DCA
6h 07m1 stop
American Airlines Logo
1:44 pm - 4:38 pmDCA-EYW
2h 54mnonstop
$299American Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
United Airlines Logo
2:08 pm - 10:38 pmEYW-IAD
8h 30m1 stop
United Airlines Logo
6:16 am - 1:12 pmIAD-EYW
6h 56m1 stop
$519United Airlines
Find Deal
Sat, Jul 19 - Sat, Jul 26
United Airlines Logo
3:05 pm - 7:35 amEYW-IAD
16h 30m2 stops
United Airlines Logo
10:45 pm - 1:59 pmIAD-EYW
15h 14m2 stops
$533United Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20

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
Jul 4
EYW2:12 pmKey West
7h 26m
1 stop
DCA9:38 pmWashington, D.C. Reagan-National
Jul 15
DCA1:00 pmWashington, D.C. Reagan-National
24h 12m
2 stops
EYW1:12 pmKey West
United Airlines
Jul 19
EYW2:08 pmKey West
8h 30m
1 stop
IAD10:38 pmWashington, D.C. Dulles Intl
Jul 26
IAD6:16 amWashington, D.C. Dulles Intl
6h 56m
1 stop
EYW1:12 pmKey West
United Airlines
Jul 4
EYW2:12 pmKey West
7h 26m
1 stop
DCA9:38 pmWashington, D.C. Reagan-National
Jul 15
DCA7:00 pmWashington, D.C. Reagan-National
18h 12m
2 stops
EYW1:12 pmKey West

Delta flights from Key West to Washington, D.C.

Our best Delta deals on Key West to Washington, D.C. flight tickets
Delta
Sep 12
EYW6:00 pmKey West
6h 12m
1 stop
BWI12:12 amBaltimore/Washington
Sep 16
BWI10:00 amBaltimore/Washington
7h 12m
1 stop
EYW5:12 pmKey West
Delta
Sep 12
EYW6:00 pmKey West
6h 07m
1 stop
IAD12:07 amWashington, D.C. Dulles Intl
Sep 16
IAD6:00 amWashington, D.C. Dulles Intl
4h 59m
1 stop
EYW10:59 amKey West
Delta
Jul 10
EYW11:48 amKey West
4h 37m
1 stop
IAD4:25 pmWashington, D.C. Dulles Intl
Jul 14
IAD12:45 pmWashington, D.C. Dulles Intl
4h 47m
1 stop
EYW5:32 pmKey West

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 cheapest month to fly to Washington, D.C.?

The month of July is, on average, the cheapest month to fly to Washington, D.C. from Key West, with most prices found around $258. If you’re not able to fly to Washington, D.C. in July, then September is your next best option. Flight prices from Key West to Washington, D.C. during September average around $276.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $398. 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 $598.

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 $424. 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 $1,068. 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 4% 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?

As of June 2025, prices for Key West to Washington, D.C. flights are approximately 36% cheaper when compared to flights at the same time last year.

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

$218

Fastest flight time

2h 44m

Direct flights

Mon, Tue, Thu, Fri and Sun

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Key West in the past 72 hours is $218. The best round-trip flight deal from Key West to Washington, D.C. found on momondo in the last 72 hours is $249.
The fastest flight from Key West to Washington, D.C. takes 2h 44m
Direct flights go from Key West to Washington, D.C. on Monday, Tuesday, Thursday, Friday and Sunday. The only airline offering direct flights is American Airlines.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • 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 45m 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
American AirlinesPriceFrom $223Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $223Free CancellationRating
8.0
7,963 reviews
Search Delta 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 $223 round-trip, up to an average price of $326. 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
Gettysburg
Arlington
National Harbor
Laurel
Woodbridge
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Gaithersburg
Towson
Rockville
Fairfax
Linthicum Heights
Glen Burnie
Reston
Colonial Beach
Springfield

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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1 adult
Tue 7/1
Tue 7/8

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.