Cheap flights from Washington, D.C. Reagan-National Airport to London from £267

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 25/5. 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
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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.
British Airways Logo
11:35 - 07:30
DCA
-
LGW
14h 55m
1 stop
British Airways Logo
11:20 - 23:45
LGW
-
DCA
16h 25m
1 stop
£454British Airways
Wed, 4 Mar - Wed, 11 Mar
American Airlines Logo
11:35 - 07:30
DCA
-
LGW
15h 55m
1 stop
American Airlines Logo
11:20 - 23:45
LGW
-
DCA
16h 25m
1 stop
£455American Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
16:10 - 19:05
DCA
-
LGW
22h 55m
2 stops
Multiple Airlines Logo
08:40 - 08:55
LGW
-
DCA
28h 15m
3 stops
£456Multiple Airlines
Wed, 11 Mar - Wed, 18 Mar
Multiple Airlines Logo
11:05 - 14:30
DCA
-
LGW
23h 25m
2 stops
Multiple Airlines Logo
07:20 - 21:56
LGW
-
DCA
18h 36m
2 stops
£458Multiple Airlines
Tue, 10 Mar - Tue, 17 Mar
American Airlines Logo
11:54 - 07:30
DCA
-
LGW
15h 36m
2 stops
American Airlines Logo
11:20 - 23:45
LGW
-
DCA
16h 25m
1 stop
£459American Airlines
Mon, 9 Mar - Mon, 16 Mar
Multiple Airlines Logo
11:05 - 21:45
DCA
-
LGW
29h 40m
2 stops
Multiple Airlines Logo
07:00 - 21:56
LGW
-
DCA
18h 56m
2 stops
£463Multiple Airlines
Thu, 5 Mar - Fri, 13 Mar
Multiple Airlines Logo
20:40 - 17:50
DCA
-
LGW
40h 10m
2 stops
Multiple Airlines Logo
18:40 - 22:35
LGW
-
DCA
32h 55m
2 stops
£472Multiple Airlines
Sun, 22 Feb - Wed, 4 Mar
Multiple Airlines Logo
09:40 - 13:55
DCA
-
LGW
23h 15m
3 stops
Multiple Airlines Logo
06:55 - 21:56
LGW
-
DCA
20h 01m
3 stops
£474Multiple Airlines
Thu, 26 Feb - Mon, 2 Mar
JetBlue Logo
18:45 - 09:35
DCA
-
LGW
9h 50m
1 stop
JetBlue Logo
12:20 - 19:59
LGW
-
DCA
12h 39m
1 stop
£478JetBlue
Wed, 22 Jul - Thu, 3 Sep
JetBlue Logo
11:30 - 09:35
DCA
-
LGW
17h 05m
1 stop
JetBlue Logo
12:20 - 19:59
LGW
-
DCA
12h 39m
1 stop
£480JetBlue
Sun, 19 Jul - Tue, 1 Sep

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
22 Jul
DCA18:45Washington, D.C. Reagan-National
9h 50m
1 stop
LGW09:35London Gatwick
3 Sept
LGW12:20London Gatwick
12h 39m
1 stop
DCA19:59Washington, D.C. Reagan-National
£478
JetBlue
19 Jul
DCA11:30Washington, D.C. Reagan-National
17h 05m
1 stop
LGW09:35London Gatwick
1 Sept
LGW12:20London Gatwick
12h 39m
1 stop
DCA19:59Washington, D.C. Reagan-National
£480
JetBlue
24 Jul
DCA13:25Washington, D.C. Reagan-National
15h 10m
1 stop
LGW09:35London Gatwick
2 Sept
LGW12:20London Gatwick
12h 39m
1 stop
DCA19:59Washington, D.C. Reagan-National
£489

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
4 Mar
DCA11:35Washington, D.C. Reagan-National
14h 55m
1 stop
LGW07:30London Gatwick
11 Mar
LGW11:20London Gatwick
16h 25m
1 stop
DCA23:45Washington, D.C. Reagan-National
£454
British Airways
22 Feb
DCA18:15Washington, D.C. Reagan-National
33h 45m
1 stop
LGW09:00London Gatwick
4 Mar
LGW11:20London Gatwick
17h 22m
1 stop
DCA23:42Washington, D.C. Reagan-National
£484
British Airways
10 Mar
DCA14:33Washington, D.C. Reagan-National
12h 57m
1 stop
LGW07:30London Gatwick
17 Mar
LGW11:20London Gatwick
16h 25m
1 stop
DCA23:45Washington, D.C. Reagan-National
£488

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 9 February 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

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 4/3

11:35-07:30

1 stop14h 55m

London Gatwick

Wed 11/3

11:20-23:45

1 stop16h 25m

£454

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 9/3

11:35-07:30

1 stop15h 55m

London Gatwick

Mon 16/3

11:20-23:45

1 stop16h 25m

£455

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 11/3

16:10-19:05

2 stops22h 55m

London Gatwick

Wed 18/3

08:40-08:55

3 stops28h 15m

£456

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 10/3

11:05-14:30

2 stops23h 25m

London Gatwick

Tue 17/3

07:20-21:56

2 stops18h 36m

£458

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 9/3

11:54-07:30

2 stops15h 36m

London Gatwick

Mon 16/3

11:20-23:45

1 stop16h 25m

£459

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 5/3

11:05-21:45

2 stops29h 40m

London Gatwick

Fri 13/3

07:00-21:56

2 stops18h 56m

£463

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 22/2

20:40-17:50

2 stops40h 10m

London Gatwick

Wed 4/3

18:40-22:35

2 stops32h 55m

£472

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 26/2

09:40-13:55

3 stops23h 15m

London Gatwick

Mon 2/3

06:55-21:56

3 stops20h 01m

£474

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 22/7

18:45-09:35

1 stop9h 50m

London Gatwick

Thu 3/9

12:20-19:59

1 stop12h 39m

£478

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sun 19/7

11:30-09:35

1 stop17h 05m

London Gatwick

Tue 1/9

12:20-19:59

1 stop12h 39m

£480

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, British Airways, and Icelandair are the most popular carriers 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.
  • 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
Luton
Gatwick
Slough
Maidstone
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Chelmsford
Hayes
Wembley
Dover
Folkestone
Colchester
Bedford
Worthing
Ramsgate

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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Wed 11/3
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