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Cheap flights from Key West to Washington, D.C. from $100

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 5/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Key West to Washington, D.C.

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Key West to Washington, D.C..
Delta Logo
2:05 pm - 9:37 pmEYW-DCA
7h 32m1 stop
Delta Logo
12:05 pm - 5:15 pmDCA-EYW
5h 10m1 stop
$234Delta
Find Deal
Fri, Jul 4 - Tue, Jul 15
Delta Logo
6:25 pm - 12:48 amEYW-BWI
6h 23m1 stop
Delta Logo
7:00 am - 12:56 pmBWI-EYW
5h 56m1 stop
$251Delta
Find Deal
Wed, May 21 - Tue, May 27
American Airlines Logo
5:30 pm - 11:52 pmEYW-BWI
6h 22m1 stop
American Airlines Logo
6:30 am - 4:52 pmBWI-EYW
10h 22m2 stops
$256American Airlines
Find Deal
Wed, May 21 - Tue, May 27
American Airlines Logo
1:39 pm - 11:53 pmEYW-BWI
10h 14m2 stops
American Airlines Logo
10:53 am - 6:49 pmBWI-EYW
7h 56m2 stops
$265American Airlines
Find Deal
Wed, May 21 - Tue, May 27
Delta Logo
6:25 pm - 11:35 pmEYW-IAD
5h 10m1 stop
Delta Logo
6:00 am - 10:51 amIAD-EYW
4h 51m1 stop
$269Delta
Find Deal
Wed, May 21 - Tue, May 27
United Airlines Logo
8:45 am - 11:14 amEYW-IAD
26h 29m1 stop
United Airlines Logo
6:50 pm - 6:05 pmIAD-EYW
23h 15m1 stop
$383United Airlines
Find Deal
Tue, May 27 - Thu, May 29
United Airlines Logo
6:45 pm - 2:22 pmEYW-DCA
19h 37m2 stops
United Airlines Logo
6:00 am - 6:05 pmDCA-EYW
12h 05m2 stops
$394United Airlines
Find Deal
Fri, Jul 4 - Tue, Jul 15
 Logo
2:45 pm - 4:15 pmEYW-IAD
25h 30m3 stops
 Logo
12:55 pm - 8:03 amIAD-EYW
19h 08m3 stops
Wed, Jun 4 - Wed, Jun 11
JetBlue Logo
8:45 am - 4:00 pmEYW-DCA
7h 15m1 stop
JetBlue Logo
10:00 am - 6:05 pmDCA-EYW
8h 05m1 stop
$436JetBlue
Find Deal
Tue, May 27 - Thu, May 29
JetBlue Logo
8:45 am - 4:00 pmEYW-DCA
7h 15m1 stop
JetBlue Logo
10:00 am - 6:05 pmDCA-EYW
8h 05m1 stop
$457JetBlue
Find Deal
Mon, May 19 - Wed, May 21

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
May 27
EYW8:45 amKey West
26h 29m
1 stop
IAD11:14 amWashington, D.C. Dulles Intl
May 29
IAD6:50 pmWashington, D.C. Dulles Intl
23h 15m
1 stop
EYW6:05 pmKey West
United Airlines
Jul 4
EYW6:45 pmKey West
19h 37m
2 stops
DCA2:22 pmWashington, D.C. Reagan-National
Jul 15
DCA6:00 amWashington, D.C. Reagan-National
12h 05m
2 stops
EYW6:05 pmKey West
United Airlines
Jul 4
EYW1:41 pmKey West
7h 57m
1 stop
DCA9:38 pmWashington, D.C. Reagan-National
Jul 15
DCA6:00 amWashington, D.C. Reagan-National
12h 05m
2 stops
EYW6:05 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
Jul 4
EYW2:05 pmKey West
7h 32m
1 stop
DCA9:37 pmWashington, D.C. Reagan-National
Jul 15
DCA12:05 pmWashington, D.C. Reagan-National
5h 10m
1 stop
EYW5:15 pmKey West
Delta
May 21
EYW6:25 pmKey West
6h 23m
1 stop
BWI12:48 amBaltimore/Washington
May 27
BWI7:00 amBaltimore/Washington
5h 56m
1 stop
EYW12:56 pmKey West
Delta
May 21
EYW6:25 pmKey West
5h 10m
1 stop
IAD11:35 pmWashington, D.C. Dulles Intl
May 27
IAD6:00 amWashington, D.C. Dulles Intl
4h 51m
1 stop
EYW10:51 amKey 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 December is, on average, the cheapest month to fly to Washington, D.C. from Key West, with most prices found around $289. If you’re not able to fly to Washington, D.C. in December, then September is your next best option. Flight prices from Key West to Washington, D.C. during September average around $308.

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 $378. 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 $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 $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.

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

As of April 2025, prices for Key West to Washington, D.C. flights are approximately 21% more expensive 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

$100

Fastest flight time

2h 47m

Direct flights

Every day

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 $100. The best round-trip flight deal from Key West to Washington, D.C. found on momondo in the last 72 hours is $234.
The fastest flight from Key West to Washington, D.C. takes 2h 47m
Direct flights go from Key West to Washington, D.C. every day.
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 47m 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 $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $223Free CancellationRating
8.0
7,919 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 14 flights/week on average for this route. A good American Airlines flight deal for Key West to Washington, D.C. starts from $218 round-trip, up to an average price of $332. 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
Arlington
Gettysburg
National Harbor
Laurel
Silver Spring
Woodbridge
Tysons
Fredericksburg
Waldorf
Manassas
Gaithersburg
Rockville
Glen Burnie
Towson
Linthicum Heights
Fairfax
Reston
Springfield
Hyattsville

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.


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1 adult
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Wed 4/30
Wed 5/7

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.