Cheap flights from Key West to Washington, D.C. from $122

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 7/21. 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
1 adult, Economy, 0 bags

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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.
Multiple Airlines Logo
8:48 pm - 8:54 am
EYW
-
BWI
12h 06m
1 stop
Multiple Airlines Logo
9:28 pm - 2:37 pm
BWI
-
EYW
17h 09m
1 stop
$236Multiple Airlines
Thu, Jul 16 - Sun, Jul 19
Multiple Airlines Logo
12:05 pm - 12:23 am
EYW
-
BWI
12h 18m
1 stop
Multiple Airlines Logo
9:28 pm - 2:37 pm
BWI
-
EYW
17h 09m
1 stop
$256Multiple Airlines
Thu, Jul 16 - Sun, Jul 19
Multiple Airlines Logo
10:04 am - 6:36 pm
EYW
-
BWI
8h 32m
2 stops
Multiple Airlines Logo
9:52 pm - 10:19 am
BWI
-
EYW
12h 27m
1 stop
$270Multiple Airlines
Sat, Sep 26 - Sat, Oct 3
Multiple Airlines Logo
11:04 am - 11:17 pm
EYW
-
BWI
12h 13m
2 stops
Multiple Airlines Logo
9:28 pm - 11:27 am
BWI
-
EYW
13h 59m
1 stop
$278Multiple Airlines
Thu, Aug 13 - Sun, Aug 16
Delta Logo
2:24 pm - 9:49 pm
EYW
-
DCA
7h 25m
1 stop
Delta Logo
6:00 am - 11:00 am
DCA
-
EYW
5h 00m
1 stop
$309Delta
Fri, Jul 24 - Sun, Jul 26
Delta Logo
11:45 am - 6:26 pm
EYW
-
IAD
6h 41m
1 stop
Delta Logo
6:00 am - 10:58 am
IAD
-
EYW
4h 58m
1 stop
$309Delta
Thu, Oct 8 - Sun, Oct 11
Delta Logo
1:59 pm - 8:33 pm
EYW
-
DCA
6h 34m
1 stop
Delta Logo
6:00 am - 10:50 am
DCA
-
EYW
4h 50m
1 stop
$334Delta
Thu, Aug 13 - Sun, Aug 16
American Airlines Logo
2:30 pm - 5:29 pm
EYW
-
DCA
2h 59mnonstop
American Airlines Logo
10:30 am - 1:51 pm
DCA
-
EYW
3h 21mnonstop
$383American Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
6:27 pm - 11:59 pm
EYW
-
DCA
5h 32m
1 stop
American Airlines Logo
10:30 am - 1:51 pm
DCA
-
EYW
3h 21mnonstop
$393American Airlines
Sat, Sep 12 - Sat, Sep 19
American Airlines Logo
12:06 pm - 3:08 pm
EYW
-
DCA
3h 02mnonstop
American Airlines Logo
8:20 am - 11:36 am
DCA
-
EYW
3h 16mnonstop
$428American Airlines
Wed, Sep 2 - Mon, Sep 7

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

Our best Delta deals on Key West to Washington, D.C. flight tickets
Delta
Oct 8
EYW11:45 amKey West
6h 41m
1 stop
IAD6:26 pmWashington, D.C. Dulles Intl
Oct 11
IAD6:00 amWashington, D.C. Dulles Intl
4h 58m
1 stop
EYW10:58 amKey West
$309
Delta
Jul 14
EYW6:18 pmKey West
6h 23m
1 stop
IAD12:41 amWashington, D.C. Dulles Intl
Jul 19
IAD10:21 amWashington, D.C. Dulles Intl
7h 02m
1 stop
EYW5:23 pmKey West
$334
Delta
Jul 10
EYW6:18 pmKey West
6h 23m
1 stop
IAD12:41 amWashington, D.C. Dulles Intl
Jul 14
IAD6:00 amWashington, D.C. Dulles Intl
5h 00m
1 stop
EYW11:00 amKey West
$359

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
Sep 2
EYW12:06 pmKey West
3h 02m
DCA3:08 pmWashington, D.C. Reagan-National
Sep 7
DCA8:20 amWashington, D.C. Reagan-National
3h 16m
EYW11:36 amKey West
$428
American Airlines
Sep 2
EYW11:30 amKey West
6h 30m
1 stop
DCA6:00 pmWashington, D.C. Reagan-National
Sep 7
DCA8:20 amWashington, D.C. Reagan-National
3h 16m
EYW11:36 amKey West
$438
American Airlines
Jul 11
EYW5:53 pmKey West
6h 21m
1 stop
BWI12:14 amBaltimore/Washington
Jul 15
BWI10:06 amBaltimore/Washington
6h 05m
1 stop
EYW4:11 pmKey West
$462

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 June 28, 2026.
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

Cheapest round-trip

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Thu 7/16

8:48 pm-8:54 am

1 stop12h 06m

Baltimore/Washington

Sun 7/19

9:28 pm-2:37 pm

1 stop17h 09m

$236

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Thu 7/16

12:05 pm-12:23 am

1 stop12h 18m

Baltimore/Washington

Sun 7/19

9:28 pm-2:37 pm

1 stop17h 09m

$256

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Sat 9/26

10:04 am-6:36 pm

2 stops8h 32m

Baltimore/Washington

Sat 10/3

9:52 pm-10:19 am

1 stop12h 27m

$270

Key WestBaltimore

EYW - BWI

EYWBWI

Key West

Thu 8/13

11:04 am-11:17 pm

2 stops12h 13m

Baltimore/Washington

Sun 8/16

9:28 pm-11:27 am

1 stop13h 59m

$278

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 7/24

2:24 pm-9:49 pm

1 stop7h 25m

Washington, D.C. Reagan-National

Sun 7/26

6:00 am-11:00 am

1 stop5h 00m

$309

Key WestWashington, D.C.

EYW - IAD

EYWIAD

Key West

Thu 10/8

11:45 am-6:26 pm

1 stop6h 41m

Washington, D.C. Dulles Intl

Sun 10/11

6:00 am-10:58 am

1 stop4h 58m

$309

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 8/13

1:59 pm-8:33 pm

1 stop6h 34m

Washington, D.C. Reagan-National

Sun 8/16

6:00 am-10:50 am

1 stop4h 50m

$334

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 9/12

2:30 pm-5:29 pm

Nonstop2h 59m

Washington, D.C. Reagan-National

Sat 9/19

10:30 am-1:51 pm

Nonstop3h 21m

$383

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Sat 9/12

6:27 pm-11:59 pm

1 stop5h 32m

Washington, D.C. Reagan-National

Sat 9/19

10:30 am-1:51 pm

Nonstop3h 21m

$393
Quickest round-trip

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Wed 9/2

12:06 pm-3:08 pm

Nonstop3h 02m

Washington, D.C. Reagan-National

Mon 9/7

8:20 am-11:36 am

Nonstop3h 16m

$428

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

The month of August is, on average, the cheapest month to fly to Washington, D.C. from Key West, with most prices found around $229. If you’re not able to fly to Washington, D.C. in August, then January is your next best option. Flight prices from Key West to Washington, D.C. during January average around $229.

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 $308. 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 $733.

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

At noon 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 $364. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $390. 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 15% 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

$233

Fastest flight time

3h 00m

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 $233. The best round-trip flight deal from Key West to Washington, D.C. found on momondo in the last 72 hours is $386.
The fastest flight from Key West to Washington, D.C. takes 3h 00m
Direct flights go from Key West to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Key West there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Frequently asked questions about flying from Key West to Washington, D.C.

  • 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 3h 00m 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 $229Free CancellationRating
7.1
11,774 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 6 flights/week on average for this route. A good American Airlines flight deal for Key West to Washington, D.C. starts from $229 round-trip, up to an average price of $371. 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
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Colonial Beach
Linthicum Heights
Rockville
Silver Spring
Towson
Manassas
Tysons
Springfield
Fairfax
Bethesda
Glen Burnie

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 7/28
Tue 8/4

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.