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Cheap flights from Washington, D.C. Reagan-National Airport to London from £281

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 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
06:00 - 16:25
DCA
-
LGW
29h 25m
2 stops
Multiple Airlines Logo
10:00 - 22:59
LGW
-
DCA
17h 59m
2 stops
£580Multiple Airlines
Tue, 12 May - Tue, 19 May
Multiple Airlines Logo
06:00 - 17:55
DCA
-
LGW
30h 55m
3 stops
Multiple Airlines Logo
09:40 - 22:31
LGW
-
DCA
17h 51m
2 stops
£608Multiple Airlines
Mon, 15 Jun - Tue, 23 Jun
Multiple Airlines Logo
06:00 - 15:00
DCA
-
LGW
28h 00m
2 stops
Multiple Airlines Logo
06:10 - 21:55
LGW
-
DCA
20h 45m
2 stops
£618Multiple Airlines
Wed, 15 Apr - Sun, 19 Apr
JetBlue Logo
14:00 - 09:35
DCA
-
LGW
14h 35m
1 stop
JetBlue Logo
12:20 - 19:56
LGW
-
DCA
12h 36m
1 stop
£620JetBlue
Thu, 27 Aug - Mon, 31 Aug
Icelandair Logo
16:59 - 14:40
DCA
-
LGW
16h 41m
2 stops
Icelandair Logo
15:40 - 07:59
LGW
-
DCA
21h 19m
2 stops
£629Icelandair
Mon, 20 Apr - Thu, 30 Apr
Multiple Airlines Logo
11:00 - 15:35
DCA
-
LGW
23h 35m
3 stops
Multiple Airlines Logo
06:10 - 21:55
LGW
-
DCA
20h 45m
2 stops
£630Multiple Airlines
Thu, 16 Apr - Sun, 19 Apr
JetBlue Logo
13:25 - 09:35
DCA
-
LGW
15h 10m
1 stop
JetBlue Logo
12:20 - 19:56
LGW
-
DCA
12h 36m
1 stop
£632JetBlue
Thu, 27 Aug - Mon, 31 Aug
Multiple Airlines Logo
06:00 - 15:35
DCA
-
LGW
28h 35m
3 stops
Multiple Airlines Logo
06:10 - 21:55
LGW
-
DCA
20h 45m
2 stops
£634Multiple Airlines
Thu, 16 Apr - Sun, 19 Apr
Icelandair Logo
19:59 - 14:40
DCA
-
LGW
13h 41m
2 stops
Icelandair Logo
13:00 - 07:59
LGW
-
DCA
23h 59m
2 stops
£635Icelandair
Mon, 13 Apr - Tue, 5 May
Icelandair Logo
18:40 - 14:40
DCA
-
LGW
15h 00m
2 stops
Icelandair Logo
13:00 - 07:59
LGW
-
DCA
23h 59m
2 stops
£636Icelandair
Mon, 20 Apr - Tue, 5 May

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
20 Apr
DCA16:59Washington, D.C. Reagan-National
16h 41m
2 stops
LGW14:40London Gatwick
30 Apr
LGW15:40London Gatwick
21h 19m
2 stops
DCA07:59Washington, D.C. Reagan-National
£629
Icelandair
13 Apr
DCA19:59Washington, D.C. Reagan-National
13h 41m
2 stops
LGW14:40London Gatwick
5 May
LGW13:00London Gatwick
23h 59m
2 stops
DCA07:59Washington, D.C. Reagan-National
£635
Icelandair
20 Apr
DCA18:40Washington, D.C. Reagan-National
15h 00m
2 stops
LGW14:40London Gatwick
5 May
LGW13:00London Gatwick
23h 59m
2 stops
DCA07:59Washington, D.C. Reagan-National
£636

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
6 May
DCA11:17Washington, D.C. Reagan-National
14h 33m
1 stop
LGW06:50London Gatwick
13 May
LGW10:45London Gatwick
17h 49m
1 stop
DCA23:34Washington, D.C. Reagan-National
£642
British Airways
5 May
DCA14:59Washington, D.C. Reagan-National
14h 41m
1 stop
LGW10:40London Gatwick
19 May
LGW10:45London Gatwick
15h 14m
1 stop
DCA20:59Washington, D.C. Reagan-National
£643
British Airways
27 Apr
DCA15:10Washington, D.C. Reagan-National
14h 00m
1 stop
LGW10:10London Gatwick
6 May
LGW10:45London Gatwick
15h 14m
1 stop
DCA20:59Washington, D.C. Reagan-National
£644

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 1 April 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

Tue 12/5

06:00-16:25

2 stops29h 25m

London Gatwick

Tue 19/5

10:00-22:59

2 stops17h 59m

£580

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 15/6

06:00-17:55

3 stops30h 55m

London Gatwick

Tue 23/6

09:40-22:31

2 stops17h 51m

£608

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 15/4

06:00-15:00

2 stops28h 00m

London Gatwick

Sun 19/4

06:10-21:55

2 stops20h 45m

£618
Fastest return journey

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 27/8

14:00-09:35

1 stop14h 35m

London Gatwick

Mon 31/8

12:20-19:56

1 stop12h 36m

£620

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 20/4

16:59-14:40

2 stops16h 41m

London Gatwick

Thu 30/4

15:40-07:59

2 stops21h 19m

£629

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 16/4

11:00-15:35

3 stops23h 35m

London Gatwick

Sun 19/4

06:10-21:55

2 stops20h 45m

£630

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 27/8

13:25-09:35

1 stop15h 10m

London Gatwick

Mon 31/8

12:20-19:56

1 stop12h 36m

£632

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Thu 16/4

06:00-15:35

3 stops28h 35m

London Gatwick

Sun 19/4

06:10-21:55

2 stops20h 45m

£634

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 13/4

19:59-14:40

2 stops13h 41m

London Gatwick

Tue 5/5

13:00-07:59

2 stops23h 59m

£635

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Mon 20/4

18:40-14:40

2 stops15h 00m

London Gatwick

Tue 5/5

13:00-07:59

2 stops23h 59m

£636

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, Delta, and Air Europa 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

10h 10m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to London Gatwick Airport takes 10h 10m
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 10h 10m, 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
Wembley
Ipswich
Canterbury
Ilford
Guildford
Hayes
Chelmsford
Dover
Folkestone
Ramsgate
Bedford
Chichester
Worthing

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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