Cheap flights from the United Kingdom to Washington, D.C. from $408

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Washington, D.C. departing on 4/27. 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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Find the cheapest flights from the United Kingdom to Washington, D.C.

Recent round-trip flight deals from the United Kingdom to Washington, D.C.

Enter your travel dates to find the best prices.
JetBlue Logo
11:30 am - 8:59 pm
EDI
-
DCA
14h 29m
1 stop
JetBlue Logo
4:59 pm - 10:00 am
DCA
-
EDI
12h 01m
1 stop
$531JetBlue
Tue, May 5 - Sat, May 16
JetBlue Logo
11:30 am - 5:47 pm
EDI
-
DCA
11h 17m
1 stop
JetBlue Logo
6:30 pm - 10:00 am
DCA
-
EDI
10h 30m
1 stop
$538JetBlue
Wed, May 27 - Thu, Sep 10
JetBlue Logo
11:30 am - 7:59 pm
EDI
-
DCA
13h 29m
1 stop
JetBlue Logo
6:41 pm - 10:00 am
DCA
-
EDI
10h 19m
1 stop
$548JetBlue
Wed, May 27 - Mon, Sep 7
British Airways Logo
10:30 am - 4:45 pm
LHR
-
DCA
11h 15m
1 stop
British Airways Logo
5:22 pm - 7:50 am
DCA
-
LHR
9h 28m
1 stop
$597British Airways
Thu, Apr 16 - Mon, Apr 20
British Airways Logo
10:30 am - 4:45 pm
LHR
-
DCA
11h 15m
1 stop
British Airways Logo
3:50 pm - 7:10 am
DCA
-
LHR
10h 20m
1 stop
$598British Airways
Tue, Apr 21 - Tue, Apr 28
Air Canada Logo
8:30 am - 7:53 pm
LHR
-
DCA
16h 23m
1 stop
Air Canada Logo
6:59 am - 6:35 am
DCA
-
LHR
18h 36m
1 stop
$606Air Canada
Wed, Apr 22 - Wed, May 13
Air Canada Logo
12:05 pm - 7:53 pm
LHR
-
DCA
12h 48m
1 stop
Air Canada Logo
6:50 pm - 9:35 am
DCA
-
LHR
9h 45m
1 stop
$607Air Canada
Thu, Apr 23 - Thu, Apr 30
United Airlines Logo
7:45 am - 3:23 pm
LHR
-
DCA
12h 38m
1 stop
United Airlines Logo
5:55 pm - 10:25 am
DCA
-
LHR
11h 30m
1 stop
$610United Airlines
Fri, Jul 31 - Mon, Aug 17
American Airlines Logo
12:20 pm - 9:23 pm
LGW
-
DCA
14h 03m
1 stop
American Airlines Logo
2:36 pm - 8:40 am
DCA
-
LGW
13h 04m
1 stop
$615American Airlines
Wed, Apr 15 - Tue, Apr 21
American Airlines Logo
12:20 pm - 10:00 pm
LGW
-
DCA
14h 40m
1 stop
American Airlines Logo
2:36 pm - 8:40 am
DCA
-
LGW
13h 04m
1 stop
$638American Airlines
Sat, Apr 18 - Wed, Apr 22

KLM flights from United Kingdom to Washington, D.C. Reagan-National Airport

Our best KLM deals on United Kingdom to Washington, D.C. Reagan-National Airport flight tickets
KLM
Apr 20
GLA1:30 pmGlasgow Intl
14h 11m
2 stops
DCA10:41 pmWashington, D.C. Reagan-National
Apr 27
DCA12:30 pmWashington, D.C. Reagan-National
14h 55m
2 stops
GLA8:25 amGlasgow Intl
$1,029
KLM
Apr 9
NCL1:45 pmNewcastle upon Tyne
14h 54m
2 stops
DCA11:39 pmWashington, D.C. Reagan-National
Apr 17
DCA12:30 pmWashington, D.C. Reagan-National
15h 15m
2 stops
NCL8:45 amNewcastle upon Tyne
$1,761

Air Canada flights from United Kingdom to Washington, D.C. Reagan-National Airport

Our best Air Canada deals on United Kingdom to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
Apr 22
LHR8:30 amLondon Heathrow
16h 23m
1 stop
DCA7:53 pmWashington, D.C. Reagan-National
May 13
DCA6:59 amWashington, D.C. Reagan-National
18h 36m
1 stop
LHR6:35 amLondon Heathrow
$606
Air Canada
Apr 23
LHR12:05 pmLondon Heathrow
12h 48m
1 stop
DCA7:53 pmWashington, D.C. Reagan-National
Apr 30
DCA6:50 pmWashington, D.C. Reagan-National
9h 45m
1 stop
LHR9:35 amLondon Heathrow
$607
Air Canada
Apr 16
LHR6:50 amLondon Heathrow
13h 40m
2 stops
DCA3:30 pmWashington, D.C. Reagan-National
Apr 20
DCA12:55 pmWashington, D.C. Reagan-National
12h 35m
1 stop
LHR6:30 amLondon Heathrow
$608

momondo Fare Finder

 
Customize your flight search to find flights from United Kingdom 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 March 27, 2026.
Use the filters below to find and compare flights from the United Kingdom to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EdinburghWashington, D.C.

EDI - DCA

EDIDCA

Edinburgh Turnhouse

Tue 5/5

11:30 am-8:59 pm

1 stop14h 29m

Washington, D.C. Reagan-National

Sat 5/16

4:59 pm-10:00 am

1 stop12h 01m

$531

EdinburghWashington, D.C.

EDI - DCA

EDIDCA

Edinburgh Turnhouse

Wed 5/27

11:30 am-5:47 pm

1 stop11h 17m

Washington, D.C. Reagan-National

Thu 9/10

6:30 pm-10:00 am

1 stop10h 30m

$538

EdinburghWashington, D.C.

EDI - DCA

EDIDCA

Edinburgh Turnhouse

Wed 5/27

11:30 am-7:59 pm

1 stop13h 29m

Washington, D.C. Reagan-National

Mon 9/7

6:41 pm-10:00 am

1 stop10h 19m

$548
Quickest round-trip

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 4/16

10:30 am-4:45 pm

1 stop11h 15m

Washington, D.C. Reagan-National

Mon 4/20

5:22 pm-7:50 am

1 stop9h 28m

$597

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Tue 4/21

10:30 am-4:45 pm

1 stop11h 15m

Washington, D.C. Reagan-National

Tue 4/28

3:50 pm-7:10 am

1 stop10h 20m

$598

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Wed 4/22

8:30 am-7:53 pm

1 stop16h 23m

Washington, D.C. Reagan-National

Wed 5/13

6:59 am-6:35 am

1 stop18h 36m

$606

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Thu 4/23

12:05 pm-7:53 pm

1 stop12h 48m

Washington, D.C. Reagan-National

Thu 4/30

6:50 pm-9:35 am

1 stop9h 45m

$607

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 7/31

7:45 am-3:23 pm

1 stop12h 38m

Washington, D.C. Reagan-National

Mon 8/17

5:55 pm-10:25 am

1 stop11h 30m

$610

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 4/15

12:20 pm-9:23 pm

1 stop14h 03m

Washington, D.C. Reagan-National

Tue 4/21

2:36 pm-8:40 am

1 stop13h 04m

$615

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 4/18

12:20 pm-10:00 pm

1 stop14h 40m

Washington, D.C. Reagan-National

Wed 4/22

2:36 pm-8:40 am

1 stop13h 04m

$638

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from United Kingdom 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 United Kingdom, with most prices found around $560. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $585.

Can stopping save me money on United Kingdom to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 22% on your flight if you consider stops on a United Kingdom to Washington, D.C. Reagan-National Airport flight.

Cheap United Kingdom to Washington, D.C. Reagan-National Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Washington, D.C. Reagan-National Airport

Fastest flight time

10h 48m

Direct flights

None
The fastest flight from United Kingdom to Washington, D.C. Reagan-National Airport takes 10h 48m
There are no direct flights from United Kingdom to Washington, D.C. Reagan-National Airport. There are no popular flight routes from United Kingdom to Washington, D.C. Reagan-National Airport.
  • When did momondo last update prices for flights from United Kingdom to Washington, D.C. Reagan-National Airport?

    Prices for flights from United Kingdom to Washington, D.C. Reagan-National Airport are updated daily.

  • How old do you have to be to fly from United Kingdom 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 United Kingdom to Washington, D.C. Reagan-National Airport.

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Linthicum Heights
Springfield
Bethesda
Fairfax
College Park

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from United Kingdom.

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

momondo does allow users to show only those flights to Washington, D.C. from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from United Kingdom to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from United Kingdom.

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

Yes. momondo can track prices for United Kingdom to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Sun 4/26
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