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Cheap flights from Washington, D.C. Reagan-National Airport to London from £264

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to London departing on 13/1. 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 Washington, D.C. Reagan-National Airport to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
12:55 - 15:25DCA-LGW
21h 30m3 stops
Multiple Airlines Logo
16:00 - 19:45LGW-DCA
32h 45m3 stops
£427Multiple Airlines
Find Deal
Mon, 1 Dec - Wed, 10 Dec
Multiple Airlines Logo
12:55 - 15:10DCA-LGW
21h 15m3 stops
Multiple Airlines Logo
17:20 - 15:31LGW-DCA
27h 11m3 stops
£436Multiple Airlines
Find Deal
Wed, 26 Nov - Mon, 1 Dec
Multiple Airlines Logo
16:10 - 15:25DCA-LGW
18h 15m2 stops
Multiple Airlines Logo
20:50 - 15:31LGW-DCA
23h 41m3 stops
£436Multiple Airlines
Find Deal
Mon, 1 Dec - Thu, 4 Dec
Multiple Airlines Logo
16:10 - 13:50DCA-LGW
16h 40m2 stops
Multiple Airlines Logo
20:50 - 18:05LGW-DCA
26h 15m3 stops
£445Multiple Airlines
Find Deal
Mon, 8 Dec - Thu, 11 Dec
British Airways Logo
11:47 - 07:30DCA-LGW
14h 43m1 stop
British Airways Logo
11:20 - 23:25LGW-DCA
17h 05m1 stop
£467British Airways
Find Deal
Mon, 15 Dec - Fri, 9 Jan
American Airlines Logo
09:56 - 07:30DCA-LGW
16h 34m2 stops
American Airlines Logo
11:20 - 23:59LGW-DCA
17h 39m2 stops
£473American Airlines
Find Deal
Mon, 16 Feb - Mon, 23 Feb
British Airways Logo
11:19 - 07:30DCA-LGW
15h 11m1 stop
British Airways Logo
11:20 - 22:00LGW-DCA
14h 40m1 stop
£476British Airways
Find Deal
Mon, 2 Mar - Mon, 9 Mar
American Airlines Logo
08:19 - 09:00DCA-LGW
19h 41m1 stop
American Airlines Logo
11:20 - 23:34LGW-DCA
17h 14m2 stops
£550American Airlines
Find Deal
Thu, 13 Nov - Mon, 17 Nov
Icelandair Logo
15:09 - 10:55DCA-LGW
14h 46m2 stops
Icelandair Logo
11:55 - 21:33LGW-DCA
14h 38m2 stops
£559Icelandair
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Wed, 12 Nov - Tue, 18 Nov
Icelandair Logo
13:35 - 10:55DCA-LGW
16h 20m2 stops
Icelandair Logo
11:55 - 21:33LGW-DCA
14h 38m2 stops
£560Icelandair
Find Deal
Wed, 12 Nov - Wed, 19 Nov

British Airways flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport

Our best British Airways deals on Washington, D.C. Reagan-National Airport to London Gatwick Airport flight tickets
British Airways
15 Dec
DCA11:47Washington, D.C. Reagan-National
14h 43m
1 stop
LGW07:30London Gatwick
9 Jan
LGW11:20London Gatwick
17h 05m
1 stop
DCA23:25Washington, D.C. Reagan-National
£467
Find similar
British Airways
2 Mar
DCA11:19Washington, D.C. Reagan-National
15h 11m
1 stop
LGW07:30London Gatwick
9 Mar
LGW11:20London Gatwick
14h 40m
1 stop
DCA22:00Washington, D.C. Reagan-National
£476
Find similar
British Airways
1 Apr
DCA15:39Washington, D.C. Reagan-National
14h 01m
1 stop
LGW10:40London Gatwick
29 Apr
LGW10:40London Gatwick
17h 35m
1 stop
DCA23:15Washington, D.C. Reagan-National
£480
Find similar

Icelandair flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport

Our best Icelandair deals on Washington, D.C. Reagan-National Airport to London Gatwick Airport flight tickets
Icelandair
12 Nov
DCA15:09Washington, D.C. Reagan-National
14h 46m
2 stops
LGW10:55London Gatwick
18 Nov
LGW11:55London Gatwick
14h 38m
2 stops
DCA21:33Washington, D.C. Reagan-National
£559
Find similar
Icelandair
12 Nov
DCA13:35Washington, D.C. Reagan-National
16h 20m
2 stops
LGW10:55London Gatwick
19 Nov
LGW11:55London Gatwick
14h 38m
2 stops
DCA21:33Washington, D.C. Reagan-National
£560
Find similar
Icelandair
2 Dec
DCA15:40Washington, D.C. Reagan-National
14h 15m
2 stops
LGW10:55London Gatwick
10 Dec
LGW11:55London Gatwick
31h 49m
2 stops
DCA14:44Washington, D.C. Reagan-National
£562
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. Reagan-National Airport to London Gatwick 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 31 October 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/12

12:55-15:25

3 stops21h 30m

London Gatwick

Wed 10/12

16:00-19:45

3 stops32h 45m

£427

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 26/11

12:55-15:10

3 stops21h 15m

London Gatwick

Mon 1/12

17:20-15:31

3 stops27h 11m

£436

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/12

16:10-15:25

2 stops18h 15m

London Gatwick

Thu 4/12

20:50-15:31

3 stops23h 41m

£436

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 8/12

16:10-13:50

2 stops16h 40m

London Gatwick

Thu 11/12

20:50-18:05

3 stops26h 15m

£445

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 15/12

11:47-07:30

1 stop14h 43m

London Gatwick

Fri 9/1

11:20-23:25

1 stop17h 05m

£467

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 16/2

09:56-07:30

2 stops16h 34m

London Gatwick

Mon 23/2

11:20-23:59

2 stops17h 39m

£473

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 2/3

11:19-07:30

1 stop15h 11m

London Gatwick

Mon 9/3

11:20-22:00

1 stop14h 40m

£476

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 13/11

08:19-09:00

1 stop19h 41m

London Gatwick

Mon 17/11

11:20-23:34

2 stops17h 14m

£550

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 12/11

15:09-10:55

2 stops14h 46m

London Gatwick

Tue 18/11

11:55-21:33

2 stops14h 38m

£559

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 12/11

13:35-10:55

2 stops16h 20m

London Gatwick

Wed 19/11

11:55-21:33

2 stops14h 38m

£560

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to London Gatwick 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 day to depart on your flight to London Gatwick Airport?

According to our data, Thursday is the cheapest day to fly to London Gatwick Airport from Washington, D.C. Reagan-National Airport. The lowest ticket price found for a Thursday departure recently was £633. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport on a Saturday will generally be more expensive and average around £842. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

When to book flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. Reagan-National Airport to London Gatwick Airport (DCA to LGW) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport. There are no popular flight routes from Washington, D.C. Reagan-National Airport to London Gatwick Airport.
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  • How far is Washington, D.C. Reagan-National to London Gatwick by plane?

    There are 3670.2 mi between Washington, D.C. Reagan-National and London Gatwick. Flights usually cover this in 13h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to London Gatwick Airport?

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

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

    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 Washington, D.C. Reagan-National Airport to London Gatwick Airport.

  • What documentation or ID do you need to fly to London Gatwick Airport?

    The travel and health documents required for your trip to London Gatwick Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Maidstone
Slough
Canterbury
Southend-on-Sea
Ipswich
Ilford
Guildford
Colchester
Dover
Hayes
Chelmsford
Worthing
Dartford
Ramsgate
Bedford
Stansted

Why use momondo?

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

It is quick and easy to find Washington, D.C. to London 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 London that suits you.

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

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

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

Once you have performed a search for Washington, D.C. to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Washington, D.C. to London 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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