Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Key West to Washington, D.C. from $110

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 10/31. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Cheap round-trip flights

Delta Logo
7:40 am - 3:00 pmEYW-DCA
7h 20m1 stop
Delta Logo
10:20 am - 5:10 pmDCA-EYW
6h 50m1 stop
$249Delta
Find Deal
Thu, Dec 4 - Tue, Dec 9
American Airlines Logo
1:38 pm - 4:20 pmEYW-DCA
2h 42mnonstop
American Airlines Logo
12:40 pm - 3:47 pmDCA-EYW
3h 07mnonstop
$250American Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
4:00 pm - 11:41 pmEYW-DCA
7h 41m1 stop
Delta Logo
1:45 pm - 8:06 pmDCA-EYW
6h 21m1 stop
$259Delta
Find Deal
Fri, Oct 31 - Sun, Nov 2
Delta Logo
6:05 pm - 11:39 pmEYW-DCA
5h 34m1 stop
Delta Logo
12:34 pm - 8:03 pmDCA-EYW
7h 29m1 stop
$264Delta
Find Deal
Fri, Dec 5 - Wed, Dec 10
United Airlines Logo
3:12 pm - 9:37 pmEYW-DCA
6h 25m1 stop
United Airlines Logo
6:00 am - 2:29 pmDCA-EYW
8h 29m1 stop
$279United Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
1:38 pm - 4:20 pmEYW-DCA
2h 42mnonstop
American Airlines Logo
11:45 am - 5:01 pmDCA-EYW
5h 16m1 stop
$300American Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
American Airlines Logo
3:09 pm - 8:55 pmEYW-DCA
5h 46m1 stop
American Airlines Logo
7:29 am - 10:43 amDCA-EYW
3h 14mnonstop
$309American Airlines
Find Deal
Tue, Jan 20 - Mon, Jan 26
American Airlines Logo
1:59 pm - 8:06 pmEYW-DCA
6h 07m1 stop
American Airlines Logo
9:59 am - 12:58 pmDCA-EYW
2h 59mnonstop
$344American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
United Airlines Logo
3:02 pm - 11:58 amEYW-DCA
20h 56m2 stops
United Airlines Logo
7:00 am - 2:06 pmDCA-EYW
7h 06m1 stop
$492United Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
United Airlines Logo
4:15 pm - 1:19 pmEYW-DCA
21h 04m2 stops
United Airlines Logo
6:00 am - 1:02 pmDCA-EYW
7h 02m1 stop
$736United Airlines
Find Deal
Tue, Jan 20 - Mon, Jan 26

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

Our best Delta deals on Key West to Washington, D.C. Reagan-National Airport flight tickets
Delta
Dec 4
EYW7:40 amKey West
7h 20m
1 stop
DCA3:00 pmWashington, D.C. Reagan-National
Dec 9
DCA10:20 amWashington, D.C. Reagan-National
6h 50m
1 stop
EYW5:10 pmKey West
$249
Find similar
Delta
Oct 31
EYW4:00 pmKey West
7h 41m
1 stop
DCA11:41 pmWashington, D.C. Reagan-National
Nov 2
DCA1:45 pmWashington, D.C. Reagan-National
6h 21m
1 stop
EYW8:06 pmKey West
$259
Find similar
Delta
Dec 5
EYW6:05 pmKey West
5h 34m
1 stop
DCA11:39 pmWashington, D.C. Reagan-National
Dec 10
DCA12:34 pmWashington, D.C. Reagan-National
7h 29m
1 stop
EYW8:03 pmKey West
$264
Find similar

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
Oct 31
EYW1:38 pmKey West
2h 42m
DCA4:20 pmWashington, D.C. Reagan-National
Nov 2
DCA12:40 pmWashington, D.C. Reagan-National
3h 07m
EYW3:47 pmKey West
$250
Find similar
American Airlines
Oct 31
EYW1:38 pmKey West
2h 42m
DCA4:20 pmWashington, D.C. Reagan-National
Nov 2
DCA11:45 amWashington, D.C. Reagan-National
5h 16m
1 stop
EYW5:01 pmKey West
$300
Find similar
American Airlines
Jan 20
EYW3:09 pmKey West
5h 46m
1 stop
DCA8:55 pmWashington, D.C. Reagan-National
Jan 26
DCA7:29 amWashington, D.C. Reagan-National
3h 14m
EYW10:43 amKey West
$309
Find similar

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 September 17, 2025.
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

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 12/4

7:40 am-3:00 pm

1 stop7h 20m

Washington, D.C. Reagan-National

Tue 12/9

10:20 am-5:10 pm

1 stop6h 50m

$249

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 10/31

1:38 pm-4:20 pm

Nonstop2h 42m

Washington, D.C. Reagan-National

Sun 11/2

12:40 pm-3:47 pm

Nonstop3h 07m

$250

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 10/31

4:00 pm-11:41 pm

1 stop7h 41m

Washington, D.C. Reagan-National

Sun 11/2

1:45 pm-8:06 pm

1 stop6h 21m

$259

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 12/5

6:05 pm-11:39 pm

1 stop5h 34m

Washington, D.C. Reagan-National

Wed 12/10

12:34 pm-8:03 pm

1 stop7h 29m

$264

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 10/2

3:12 pm-9:37 pm

1 stop6h 25m

Washington, D.C. Reagan-National

Mon 10/6

6:00 am-2:29 pm

1 stop8h 29m

$279

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 10/31

1:38 pm-4:20 pm

Nonstop2h 42m

Washington, D.C. Reagan-National

Sun 11/2

11:45 am-5:01 pm

1 stop5h 16m

$300

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Tue 1/20

3:09 pm-8:55 pm

1 stop5h 46m

Washington, D.C. Reagan-National

Mon 1/26

7:29 am-10:43 am

Nonstop3h 14m

$309

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Thu 10/2

1:59 pm-8:06 pm

1 stop6h 07m

Washington, D.C. Reagan-National

Mon 10/6

9:59 am-12:58 pm

Nonstop2h 59m

$344

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Fri 12/5

3:02 pm-11:58 am

2 stops20h 56m

Washington, D.C. Reagan-National

Wed 12/10

7:00 am-2:06 pm

1 stop7h 06m

$492

Key WestWashington, D.C.

EYW - DCA

EYWDCA

Key West

Tue 1/20

4:15 pm-1:19 pm

2 stops21h 04m

Washington, D.C. Reagan-National

Mon 1/26

6:00 am-1:02 pm

1 stop7h 02m

$736

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

The month of February is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Key West, with most prices found around $306. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $314.

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 $349. Flights from Key West to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $598. 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 $419. 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 $450.

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 flights?

There are 3 cabin classes available to choose from on Key West to Washington, D.C. Reagan-National 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?

You could potentially save up to 12% on your flight if you consider stops on a Key West to Washington, D.C. Reagan-National Airport flight.

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

As of September 2025, prices for Key West to Washington, D.C. Reagan-National Airport flights are approximately 10% cheaper 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

$198

Fastest flight time

2h 42m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun
The best one-way flight to Washington, D.C. Reagan-National Airport from Key West in the past 72 hours is $198. 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 $359.
The fastest flight from Key West to Washington, D.C. Reagan-National Airport takes 2h 42m
Direct flights go from Key West to Washington, D.C. Reagan-National Airport on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
Search flight deals

  • 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 42m.

  • 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 $229Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $248Free CancellationRating
7.9
7,961 reviews
Search Delta 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 7 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 $229 round-trip, up to an average price of $397. 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
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
Springfield
Linthicum Heights

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.

An easier way to manage your Washington, D.C. Reagan-National Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.