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Cheap flights from Washington, D.C. Reagan-National Airport to London from £323

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 2/7. 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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0 bags
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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
16:20 - 07:55
DCA
-
LGW
34h 35m
3 stops
Multiple Airlines Logo
09:40 - 15:39
LGW
-
DCA
34h 59m
3 stops
£629Multiple Airlines
Mon, 1 Jun - Tue, 9 Jun
Multiple Airlines Logo
06:00 - 07:55
DCA
-
LGW
20h 55m
2 stops
Multiple Airlines Logo
12:40 - 22:28
LGW
-
DCA
14h 48m
1 stop
£631Multiple Airlines
Sat, 6 Jun - Tue, 9 Jun
JetBlue Logo
18:25 - 09:35
DCA
-
LGW
10h 10m
1 stop
JetBlue Logo
12:20 - 19:56
LGW
-
DCA
12h 36m
1 stop
£634JetBlue
Mon, 17 Aug - Fri, 4 Sep
Multiple Airlines Logo
06:00 - 10:45
DCA
-
LGW
23h 45m
2 stops
Multiple Airlines Logo
12:40 - 21:55
LGW
-
DCA
14h 15m
2 stops
£636Multiple Airlines
Sat, 6 Jun - Tue, 9 Jun
Multiple Airlines Logo
16:20 - 07:55
DCA
-
LGW
34h 35m
3 stops
Multiple Airlines Logo
12:40 - 21:55
LGW
-
DCA
14h 15m
2 stops
£637Multiple Airlines
Mon, 1 Jun - Sat, 13 Jun
American Airlines Logo
10:19 - 08:35
DCA
-
LGW
17h 16m
1 stop
American Airlines Logo
14:30 - 08:25
LGW
-
DCA
22h 55m
1 stop
£638American Airlines
Wed, 2 Sep - Wed, 9 Sep
Multiple Airlines Logo
18:55 - 10:45
DCA
-
LGW
10h 50m
1 stop
Multiple Airlines Logo
12:40 - 21:55
LGW
-
DCA
14h 15m
2 stops
£639Multiple Airlines
Mon, 1 Jun - Sat, 13 Jun
Multiple Airlines Logo
06:00 - 10:45
DCA
-
LGW
23h 45m
2 stops
Multiple Airlines Logo
12:40 - 10:18
LGW
-
DCA
26h 38m
2 stops
£640Multiple Airlines
Mon, 15 Jun - Tue, 30 Jun
Multiple Airlines Logo
06:00 - 07:55
DCA
-
LGW
20h 55m
2 stops
Multiple Airlines Logo
12:40 - 12:00
LGW
-
DCA
28h 20m
3 stops
£641Multiple Airlines
Mon, 15 Jun - Tue, 30 Jun
Multiple Airlines Logo
18:55 - 10:45
DCA
-
LGW
10h 50m
1 stop
Multiple Airlines Logo
12:40 - 22:28
LGW
-
DCA
14h 48m
1 stop
£642Multiple Airlines
Mon, 1 Jun - Sat, 6 Jun

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

Our best JetBlue deals on Washington, D.C. Reagan-National Airport to London Gatwick Airport flight tickets
JetBlue
17 Aug
DCA18:25Washington, D.C. Reagan-National
10h 10m
1 stop
LGW09:35London Gatwick
4 Sept
LGW12:20London Gatwick
12h 36m
1 stop
DCA19:56Washington, D.C. Reagan-National
£634
JetBlue
19 Aug
DCA18:25Washington, D.C. Reagan-National
10h 10m
1 stop
LGW09:35London Gatwick
2 Sept
LGW12:20London Gatwick
12h 36m
1 stop
DCA19:56Washington, D.C. Reagan-National
£649
JetBlue
4 Aug
DCA18:25Washington, D.C. Reagan-National
10h 10m
1 stop
LGW09:35London Gatwick
19 Aug
LGW12:20London Gatwick
12h 36m
1 stop
DCA19:56Washington, D.C. Reagan-National
£650

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 21 May 2026.
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

Cheapest return flight

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/6

16:20-07:55

3 stops34h 35m

London Gatwick

Tue 9/6

09:40-15:39

3 stops34h 59m

£629

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 6/6

06:00-07:55

2 stops20h 55m

London Gatwick

Tue 9/6

12:40-22:28

1 stop14h 48m

£631
Fastest return journey

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 17/8

18:25-09:35

1 stop10h 10m

London Gatwick

Fri 4/9

12:20-19:56

1 stop12h 36m

£634

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 6/6

06:00-10:45

2 stops23h 45m

London Gatwick

Tue 9/6

12:40-21:55

2 stops14h 15m

£636

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/6

16:20-07:55

3 stops34h 35m

London Gatwick

Sat 13/6

12:40-21:55

2 stops14h 15m

£637

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 2/9

10:19-08:35

1 stop17h 16m

London Gatwick

Wed 9/9

14:30-08:25

1 stop22h 55m

£638

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/6

18:55-10:45

1 stop10h 50m

London Gatwick

Sat 13/6

12:40-21:55

2 stops14h 15m

£639

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 15/6

06:00-10:45

2 stops23h 45m

London Gatwick

Tue 30/6

12:40-10:18

2 stops26h 38m

£640

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 15/6

06:00-07:55

2 stops20h 55m

London Gatwick

Tue 30/6

12:40-12:00

3 stops28h 20m

£641

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 1/6

18:55-10:45

1 stop10h 50m

London Gatwick

Sat 6/6

12:40-22:28

1 stop14h 48m

£642

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 airline that flies from Washington, D.C. Reagan-National to London Gatwick?

JetBlue is the most popular carrier operating from Washington, D.C. Reagan-National to London Gatwick

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

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London Gatwick Airport takes 9h 50m
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.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to London Gatwick Airport

  • 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 9h 50m, 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
Gatwick
Luton
Wembley
Slough
Maidstone
Ipswich
Southend-on-Sea
Canterbury
Ilford
Hayes
Guildford
Folkestone
Chelmsford
Dover
Bedford
Chichester
Colchester
Harlow

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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