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Cheap flights from Washington, D.C. to London from £130

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. to London departing on 26/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Icelandair Logo
20:30 - 11:45
BWI
-
LGW
10h 15m1 stop
Icelandair Logo
13:00 - 19:25
LGW
-
BWI
11h 25m1 stop
£388Icelandair
Fri, 1 May - Sun, 3 May
Icelandair Logo
20:30 - 14:40
BWI
-
LGW
13h 10m1 stop
Icelandair Logo
15:40 - 19:25
LGW
-
BWI
32h 45m1 stop
£389Icelandair
Thu, 7 May - Wed, 20 May
Multiple Airlines Logo
11:30 - 10:00
BWI
-
LGW
17h 30m1 stop
Multiple Airlines Logo
14:00 - 10:26
LGW
-
BWI
25h 26m2 stops
£390Multiple Airlines
Thu, 29 Jan - Thu, 5 Feb
Icelandair Logo
20:30 - 14:40
BWI
-
LGW
13h 10m1 stop
Icelandair Logo
13:00 - 19:25
LGW
-
BWI
11h 25m1 stop
£391Icelandair
Sun, 3 May - Sat, 16 May
Multiple Airlines Logo
05:30 - 06:00
BWI
-
LGW
43h 30m2 stops
Multiple Airlines Logo
14:00 - 17:10
LGW
-
BWI
32h 10m1 stop
£391Multiple Airlines
Sat, 17 Jan - Mon, 26 Jan
Icelandair Logo
20:30 - 11:45
BWI
-
LGW
10h 15m1 stop
Icelandair Logo
15:40 - 19:25
LGW
-
BWI
32h 45m1 stop
£392Icelandair
Fri, 1 May - Mon, 11 May
TAP AIR PORTUGAL Logo
22:35 - 09:45
IAD
-
LGW
30h 10m1 stop
TAP AIR PORTUGAL Logo
21:15 - 15:05
LGW
-
IAD
46h 50m2 stops
£425TAP AIR PORTUGAL
Thu, 16 Apr - Sun, 26 Apr
TAP AIR PORTUGAL Logo
22:35 - 09:45
IAD
-
LGW
30h 10m1 stop
TAP AIR PORTUGAL Logo
21:15 - 15:05
LGW
-
IAD
22h 50m2 stops
£425TAP AIR PORTUGAL
Sat, 18 Apr - Mon, 27 Apr
British Airways Logo
11:46 - 07:30
DCA
-
LGW
14h 44m1 stop
British Airways Logo
11:20 - 23:25
LGW
-
DCA
17h 05m1 stop
£456British Airways
Tue, 20 Jan - Wed, 28 Jan
American Airlines Logo
08:36 - 09:00
DCA
-
LGW
19h 24m1 stop
American Airlines Logo
11:20 - 21:24
LGW
-
DCA
15h 04m1 stop
£457American Airlines
Wed, 28 Jan - Wed, 4 Feb

TAP AIR PORTUGAL flights from Washington, D.C. to London Gatwick Airport

Our best TAP AIR PORTUGAL deals on Washington, D.C. to London Gatwick Airport flight tickets
TAP AIR PORTUGAL
16 Apr
IAD22:35Washington, D.C. Dulles Intl
30h 10m
1 stop
LGW09:45London Gatwick
26 Apr
LGW21:15London Gatwick
46h 50m
2 stops
IAD15:05Washington, D.C. Dulles Intl
£425
Find similar
TAP AIR PORTUGAL
18 Apr
IAD22:35Washington, D.C. Dulles Intl
30h 10m
1 stop
LGW09:45London Gatwick
27 Apr
LGW21:15London Gatwick
22h 50m
2 stops
IAD15:05Washington, D.C. Dulles Intl
£425
Find similar
TAP AIR PORTUGAL
27 Feb
IAD22:30Washington, D.C. Dulles Intl
28h 50m
2 stops
LGW08:20London Gatwick
8 Mar
LGW10:40London Gatwick
33h 35m
1 stop
IAD16:15Washington, D.C. Dulles Intl
£430
Find similar

American Airlines flights from Washington, D.C. to London Gatwick Airport

Our best American Airlines deals on Washington, D.C. to London Gatwick Airport flight tickets
American Airlines
28 Jan
DCA08:36Washington, D.C. Reagan-National
19h 24m
1 stop
LGW09:00London Gatwick
4 Feb
LGW11:20London Gatwick
15h 04m
1 stop
DCA21:24Washington, D.C. Reagan-National
£457
Find similar
American Airlines
26 Jan
DCA11:38Washington, D.C. Reagan-National
16h 22m
2 stops
LGW09:00London Gatwick
2 Feb
LGW12:30London Gatwick
17h 04m
2 stops
DCA00:34Washington, D.C. Reagan-National
£461
Find similar
American Airlines
31 Mar
DCA06:15Washington, D.C. Reagan-National
19h 35m
1 stop
LGW06:50London Gatwick
7 Apr
LGW14:30London Gatwick
23h 53m
1 stop
DCA09:23Washington, D.C. Reagan-National
£470
Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 1/5

20:30-11:45

1 stop10h 15m

London Gatwick

Sun 3/5

13:00-19:25

1 stop11h 25m

£388

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 7/5

20:30-14:40

1 stop13h 10m

London Gatwick

Wed 20/5

15:40-19:25

1 stop32h 45m

£389

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 29/1

11:30-10:00

1 stop17h 30m

London Gatwick

Thu 5/2

14:00-10:26

2 stops25h 26m

£390

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sun 3/5

20:30-14:40

1 stop13h 10m

London Gatwick

Sat 16/5

13:00-19:25

1 stop11h 25m

£391

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sat 17/1

05:30-06:00

2 stops43h 30m

London Gatwick

Mon 26/1

14:00-17:10

1 stop32h 10m

£391

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 1/5

20:30-11:45

1 stop10h 15m

London Gatwick

Mon 11/5

15:40-19:25

1 stop32h 45m

£392

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 16/4

22:35-09:45

1 stop30h 10m

London Gatwick

Sun 26/4

21:15-15:05

2 stops46h 50m

£425

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 18/4

22:35-09:45

1 stop30h 10m

London Gatwick

Mon 27/4

21:15-15:05

2 stops22h 50m

£425

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 20/1

11:46-07:30

1 stop14h 44m

London Gatwick

Wed 28/1

11:20-23:25

1 stop17h 05m

£456

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 28/1

08:36-09:00

1 stop19h 24m

London Gatwick

Wed 4/2

11:20-21:24

1 stop15h 04m

£457

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. 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 month to fly to London Gatwick Airport?

The cheapest month to fly to London Gatwick Airport from Washington, D.C. is in January. Flight prices, which tend to average around £393, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in January, then you should wait until November to fly from Washington, D.C., when ticket prices are also cheap, with an average price of £434.

Can stopping save me money on Washington, D.C. to London Gatwick Airport flights?

You could potentially save up to 45% on your flight if you consider stops on a Washington, D.C. to London Gatwick Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to London Gatwick Airport (WAS to LGW) flight deals and tips

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

Fastest flight time

10h 05m

Direct flights

None
The fastest flight from Washington, D.C. to London Gatwick Airport takes 10h 05m
There are no direct flights from Washington, D.C. to London Gatwick Airport. There are no popular flight routes from Washington, D.C. to London Gatwick Airport.
Search flight deals

  • How far is Washington, D.C. to London Gatwick by plane?

    There are 3667.7 mi between Washington, D.C. and London Gatwick. By plane, this route typically takes 10h 05m.

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

    Prices for flights from Washington, D.C. to London Gatwick Airport are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to London Gatwick Airport.

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

    The travel and health documents you'll need for your trip to London Gatwick Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Southend-on-Sea
Canterbury
Ipswich
Ilford
Guildford
Hayes
Chelmsford
Dover
Worthing
Hounslow
Bedford
Colchester
Ramsgate
Folkestone

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to London . Millions of users trust and use momondo every year so you are in good hands.

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?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Washington, D.C. and alert you when they change.

An easier way to manage your London Gatwick 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.
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