Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from the United Kingdom to Washington, D.C. from £293

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 24/9. 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.

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 the United Kingdom to Washington, D.C.

Recent return flight deals from the United Kingdom to Washington, D.C.

Icelandair Logo
12:10 - 09:46LGW-DCA
26h 36m1 stop
Icelandair Logo
08:00 - 09:35DCA-LGW
20h 35m1 stop
£388Icelandair
Find Deal
Wed, 8 Oct - Mon, 13 Oct
Icelandair Logo
12:10 - 09:46LGW-DCA
26h 36m1 stop
Icelandair Logo
08:00 - 09:35DCA-LGW
20h 35m1 stop
£389Icelandair
Find Deal
Wed, 8 Oct - Mon, 13 Oct
JetBlue Logo
12:10 - 19:59LGW-DCA
12h 49m1 stop
JetBlue Logo
16:45 - 09:35DCA-LGW
11h 50m1 stop
£391JetBlue
Find Deal
Tue, 26 Aug - Wed, 10 Sep
JetBlue Logo
12:10 - 20:03LGW-DCA
12h 53m1 stop
JetBlue Logo
18:59 - 09:35DCA-LGW
9h 36m1 stop
£403JetBlue
Find Deal
Tue, 2 Sep - Thu, 18 Sep
Air Canada Logo
06:50 - 15:31LHR-DCA
13h 41m2 stops
Air Canada Logo
16:10 - 07:10DCA-LHR
10h 00m1 stop
£434Air Canada
Find Deal
Fri, 21 Nov - Mon, 24 Nov
Air Canada Logo
06:50 - 15:51LHR-DCA
14h 01m2 stops
Air Canada Logo
16:35 - 09:35DCA-LHR
12h 00m1 stop
£461Air Canada
Find Deal
Sat, 6 Sep - Sat, 13 Sep
British Airways Logo
15:05 - 07:59LGW-DCA
21h 54m1 stop
British Airways Logo
13:39 - 10:55DCA-LGW
16h 16m2 stops
£463British Airways
Find Deal
Fri, 19 Sep - Fri, 26 Sep
British Airways Logo
15:05 - 23:07LGW-DCA
13h 02m1 stop
British Airways Logo
15:35 - 08:10DCA-LGW
11h 35m1 stop
£463British Airways
Find Deal
Thu, 11 Sep - Sat, 20 Sep
Virgin Atlantic Logo
09:40 - 16:54LHR-DCA
12h 14m1 stop
Virgin Atlantic Logo
14:00 - 06:45DCA-LHR
11h 45m1 stop
£478Virgin Atlantic
Find Deal
Sat, 6 Sep - Sat, 13 Sep
Virgin Atlantic Logo
07:45 - 22:19LCY-DCA
19h 34m2 stops
Virgin Atlantic Logo
17:00 - 16:35DCA-LCY
18h 35m2 stops
£513Virgin Atlantic
Find Deal
Thu, 6 Nov - Mon, 10 Nov

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

Our best American Airlines deals on United Kingdom to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
19 Sept
LGW15:05London Gatwick
13h 02m
1 stop
DCA23:07Washington, D.C. Reagan-National
26 Sept
DCA15:35Washington, D.C. Reagan-National
11h 35m
1 stop
LGW08:10London Gatwick
£466
Find similar
American Airlines
19 Sept
LGW15:05London Gatwick
13h 02m
1 stop
DCA23:07Washington, D.C. Reagan-National
26 Sept
DCA15:35Washington, D.C. Reagan-National
11h 35m
1 stop
LGW08:10London Gatwick
£468
Find similar
American Airlines
18 Sept
LGW15:05London Gatwick
13h 02m
1 stop
DCA23:07Washington, D.C. Reagan-National
25 Sept
DCA13:44Washington, D.C. Reagan-National
13h 26m
2 stops
LGW08:10London Gatwick
£469
Find similar

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

Our best Delta deals on United Kingdom to Washington, D.C. Reagan-National Airport flight tickets
Delta
26 Aug
EDI11:20Edinburgh Turnhouse
10h 45m
1 stop
DCA17:05Washington, D.C. Reagan-National
19 Nov
DCA13:30Washington, D.C. Reagan-National
16h 10m
2 stops
EDI10:40Edinburgh Turnhouse
£558
Find similar
Delta
11 Aug
LHR09:40London Heathrow
11h 20m
1 stop
DCA16:00Washington, D.C. Reagan-National
13 Nov
DCA15:30Washington, D.C. Reagan-National
11h 20m
1 stop
LHR07:50London Heathrow
£578
Find similar
Delta
12 Aug
LHR11:45London Heathrow
12h 07m
1 stop
DCA18:52Washington, D.C. Reagan-National
15 Nov
DCA15:55Washington, D.C. Reagan-National
10h 55m
1 stop
LHR07:50London Heathrow
£579
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 6 August 2025.
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

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/10

12:10-09:46

1 stop26h 36m

Washington, D.C. Reagan-National

Mon 13/10

08:00-09:35

1 stop20h 35m

£388

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 8/10

12:10-09:46

1 stop26h 36m

Washington, D.C. Reagan-National

Mon 13/10

08:00-09:35

1 stop20h 35m

£389

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 26/8

12:10-19:59

1 stop12h 49m

Washington, D.C. Reagan-National

Wed 10/9

16:45-09:35

1 stop11h 50m

£391

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 2/9

12:10-20:03

1 stop12h 53m

Washington, D.C. Reagan-National

Thu 18/9

18:59-09:35

1 stop9h 36m

£403

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Fri 21/11

06:50-15:31

2 stops13h 41m

Washington, D.C. Reagan-National

Mon 24/11

16:10-07:10

1 stop10h 00m

£434

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 6/9

06:50-15:51

2 stops14h 01m

Washington, D.C. Reagan-National

Sat 13/9

16:35-09:35

1 stop12h 00m

£461

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Fri 19/9

15:05-07:59

1 stop21h 54m

Washington, D.C. Reagan-National

Fri 26/9

13:39-10:55

2 stops16h 16m

£463

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 11/9

15:05-23:07

1 stop13h 02m

Washington, D.C. Reagan-National

Sat 20/9

15:35-08:10

1 stop11h 35m

£463

LondonWashington, D.C.

LHR - DCA

LHRDCA

London Heathrow

Sat 6/9

09:40-16:54

1 stop12h 14m

Washington, D.C. Reagan-National

Sat 13/9

14:00-06:45

1 stop11h 45m

£478

LondonWashington, D.C.

LCY - DCA

LCYDCA

London City

Thu 6/11

07:45-22:19

2 stops19h 34m

Washington, D.C. Reagan-National

Mon 10/11

17:00-16:35

2 stops18h 35m

£513

Flights are sorted by cheapest return 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 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 £435. If you aren’t able to travel during the month of February, then book flights to Washington, D.C. Reagan-National Airport from United Kingdom during January instead. Flights to Washington, D.C. Reagan-National Airport in January, while not as cheap as those in February, still average around £496.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from United Kingdom to Washington, D.C. Reagan-National Airport is on a Thursday. Travellers who choose to depart for Washington, D.C. Reagan-National Airport on a Thursday will often find tickets for as low as £563. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Reagan-National Airport on Saturday is £625.

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 United Kingdom to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as £577. Try not to purchase tickets in the evening because they tend to be around £638. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Washington, D.C. Reagan-National Airport?

You are more likely to see cheaper flights to Washington, D.C. Reagan-National Airport from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Reagan-National Airport for around £631 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Reagan-National Airport from United Kingdom for as low as £477 on momondo.

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

You could potentially save up to 43% 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

Best price found

£293

Fastest flight time

10h 19m

Direct flights

None
The best one-way flight to Washington, D.C. Reagan-National Airport from United Kingdom in the past 72 hours is £293. The best return flight deal from United Kingdom to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is £388.
The fastest flight from United Kingdom to Washington, D.C. Reagan-National Airport takes 10h 19m
There are no direct flights from United Kingdom to Washington, D.C. Reagan-National Airport. Popular non-direct routes for this connection are London Gatwick Airport - Washington, D.C. Reagan-National Airport, Manchester Airport - Washington, D.C. Reagan-National Airport and Edinburgh Turnhouse Airport - Washington, D.C. Reagan-National Airport.
Search flight deals

  • 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 many operators does momondo search for flights from United Kingdom to Washington, D.C. Reagan-National Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 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.

Best airlines flying from United Kingdom to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from United Kingdom to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom £379Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
IcelandairPriceFrom £381Free CancellationRating
7.0
524 reviews
Search Icelandair flights
Virgin AtlanticPriceFrom £470Free CancellationRating
7.4
657 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £470Free CancellationRating
6.6
7,237 reviews
Search British Airways flights
LufthansaPriceFrom £484Free CancellationRating
6.8
7,287 reviews
Search Lufthansa flights
United AirlinesPriceFrom £496Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
FinnairPriceFrom £504Free CancellationRating
7.6
1,319 reviews
Search Finnair flights
Air CanadaPriceFrom £524Free CancellationRating
7.1
9,890 reviews
Search Air Canada flights
KLMPriceFrom £632Free CancellationRating
7.8
1,381 reviews
Search KLM flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Hanover
Cambridge
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Washington, D.C.. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Washington, D.C. from United Kingdom on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential United Kingdom to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from United Kingdom to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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

We make it super easy to schedule, organise 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
Mon 11/8
Mon 18/8
By creating a price alert you accept our terms of use and privacy policy.

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