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Cheap flights from Washington, D.C. to London Gatwick Airport from £165

WAS — LGW
18 Sep — 25 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington, D.C. to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Gatwick

Tue 3/1120:04 -
1 stop28h 56m
Wed 18/1110:10 -
1 stop13h 59m
Deal found 18/8£457
Wed 14/1017:45 -
2 stops24h 20m
Tue 20/1018:10 -
2 stops26h 00m
Deal found 19/8£460
Wed 11/1122:30 -
1 stop11h 35m
Wed 9/1210:40 -
1 stop14h 55m
Deal found 18/8£462
Wed 21/1022:35 -
2 stops19h 30m
Mon 2/1108:35 -
2 stops35h 10m
Deal found 16/8£463
Mon 5/1022:35 -
2 stops20h 20m
Wed 14/1017:05 -
2 stops32h 30m
Deal found 15/8£464
Tue 29/917:05 -
1 stop11h 40m
Tue 6/1010:35 -
1 stop15h 00m
Deal found 17/8£465
Thu 26/1117:25 -
1 stop17h 25m
Mon 30/1116:35 -
1 stop27h 10m
Deal found 16/8£466
Thu 29/1018:25 -
1 stop11h 25m
Mon 2/1110:40 -
1 stop33h 05m
Deal found 17/8£467
Tue 6/1022:35 -
1 stop12h 00m
Mon 19/1016:25 -
1 stop27h 45m
Deal found 18/8£468
Mon 30/1117:25 -
1 stop17h 20m
Thu 10/1216:00 -
1 stop33h 35m
Deal found 18/8£468
Sat 31/1018:25 -
1 stop11h 25m
Fri 13/1116:40 -
1 stop27h 35m
Deal found 14/8£469
Mon 14/920:30 -
2 stops16h 55m
Wed 23/913:00 -
2 stops35h 25m
Deal found 14/8£487

Find flight deals from Washington, D.C. to Gatwick

Round-trip from

£457

One-way from

£165

Popular in

July

Cheapest in

January

Average price

£633
3/11-18/11
  • 3/11-18/11
  • 2 total stops
  • 42h 55m total
  • Washington, D.C. to London
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19/10
  • 19/10
  • 1 total stop
  • 19h 45m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£143 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£26 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
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

Cheapest return flight

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Mon 12/10

20:30-14:40

1 stop13h 10m

London Gatwick

Mon 19/10

15:40-19:25

1 stop32h 45m

£511

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 7/10

22:35-11:20

2 stops31h 45m

London Gatwick

Mon 19/10

16:25-15:10

1 stop27h 45m

£548

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 9/9

22:35-20:30

2 stops16h 55m

London Gatwick

Wed 16/9

16:25-15:10

1 stop27h 45m

£592

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Thu 1/10

09:27-10:00

1 stop19h 33m

London Gatwick

Wed 7/10

14:00-08:20

1 stop23h 20m

£601

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Thu 29/10

18:25-09:50

1 stop11h 25m

London Gatwick

Sun 1/11

21:25-14:45

2 stops46h 20m

£605

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 7/10

17:00-17:55

2 stops19h 55m

London Gatwick

Wed 14/10

17:25-19:00

2 stops30h 35m

£619

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Wed 16/9

21:40-22:30

1 stop19h 50m

London Gatwick

Wed 23/9

07:25-11:30

1 stop33h 05m

£638
Fastest return journey

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Sun 13/12

19:40-10:55

1 stop10h 15m

London Gatwick

Wed 6/1

11:55-18:40

1 stop11h 45m

£646

BaltimoreLondon

BWI Baltimore/Washington - LGW London Gatwick

BWILGW

Baltimore/Washington

Wed 30/9

13:55-09:25

2 stops14h 30m

London Gatwick

Wed 7/10

10:25-22:58

2 stops17h 33m

£649

Washington, D.C.London

IAD Washington, D.C. Dulles Intl - LGW London Gatwick

IADLGW

Washington, D.C. Dulles Intl

Tue 5/1

17:25-15:45

1 stop17h 20m

London Gatwick

Tue 12/1

21:20-20:35

2 stops28h 15m

£655

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Washington, D.C. to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Washington, D.C. with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to London Gatwick Airport

What is the cheapest month to book a flight from Washington, D.C. to London Gatwick Airport?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of £315). Flying from Washington, D.C. to London Gatwick Airport in September is currently the most expensive (average of £1,056). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Washington, D.C. to London Gatwick Airport?

Airfare is below average for this route at the moment.
Washington, D.C. to London Gatwick Airport flights typically cost between £482 and £638 in November.
The cheapest return price found within the last 5 days was £457 on Multiple Airlines (3 Nov–18 Nov).

Related info for your journey

  • How long is the flight from Washington, D.C. to London Gatwick Airport?

    Departing from Washington, D.C. to London Gatwick Airport will take you 13h 10m. There are 3641 mi between Washington, D.C. and London Gatwick Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Washington, D.C. to London Gatwick Airport?

    The most popular flight routes from Washington, D.C. to London Gatwick Airport are Washington, D.C. Dulles Intl - London Gatwick, Baltimore/Washington - London Gatwick and Washington, D.C. Reagan-National - London Gatwick.

  • Can I find deals for flights from Washington, D.C. to Gatwick that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Gatwick.

  • Can I find deals for business class flights from Washington, D.C. to Gatwick?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to London Gatwick Airport?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of £315). Flying from Washington, D.C. to London Gatwick Airport in September is currently the most expensive (average of £1,056). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Kingston upon Thames
Southall
Watford
Dover
Romford

Browse thousands of different options on Cheapflights for your next trip

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Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Gatwick from Washington, D.C. today and book when prices fit your budget.

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