Cheap flights from Washington, D.C. to London Gatwick Airport from £157

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LGW
23 Jul — 30 Jul1
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
Explore the most affordable flight options available from Washington, D.C. to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 June 2026.

Thu 10/920:30
BWI
-
LGW
2 stops18h 30m
Multiple Airlines
Sat 19/915:40
LGW
-
BWI
2 stops35h 35m
Multiple Airlines
Deal found 22/6£552
Fri 2/1020:30
BWI
-
LGW
1 stop13h 10m
Icelandair
Thu 15/1015:40
LGW
-
BWI
1 stop11h 35m
Icelandair
Deal found 23/6£552
Thu 1/1023:20
BWI
-
LGW
1 stop10h 20m
Multiple Airlines
Sat 3/1014:00
LGW
-
BWI
1 stop24h 28m
Multiple Airlines
Deal found 22/6£553
Wed 12/815:21
BWI
-
LGW
1 stop13h 39m
Multiple Airlines
Fri 21/814:00
LGW
-
BWI
1 stop15h 23m
Multiple Airlines
Deal found 23/6£554
Fri 16/1020:30
BWI
-
LGW
2 stops16h 30m
Multiple Airlines
Sat 24/1009:20
LGW
-
BWI
2 stops17h 55m
Multiple Airlines
Deal found 22/6£555
Mon 10/815:21
BWI
-
LGW
1 stop13h 39m
Multiple Airlines
Wed 19/814:00
LGW
-
BWI
1 stop25h 24m
Multiple Airlines
Deal found 23/6£555
Wed 14/1020:30
BWI
-
LGW
1 stop13h 10m
Icelandair
Mon 26/1014:40
LGW
-
BWI
1 stop33h 00m
Icelandair
Deal found 23/6£557
Thu 1/1020:30
BWI
-
LGW
2 stops18h 30m
Multiple Airlines
Mon 5/1018:05
LGW
-
BWI
2 stops33h 10m
Multiple Airlines
Deal found 23/6£558
Tue 24/1119:40
BWI
-
LGW
1 stop10h 15m
Icelandair
Sun 29/1111:55
LGW
-
BWI
1 stop11h 45m
Icelandair
Deal found 23/6£559
Fri 21/820:30
BWI
-
LGW
1 stop13h 10m
Icelandair
Thu 27/815:40
LGW
-
BWI
1 stop11h 35m
Icelandair
Deal found 23/6£561
Sat 19/920:30
BWI
-
LGW
2 stops18h 40m
Multiple Airlines
Fri 25/920:45
LGW
-
BWI
3 stops30h 30m
Multiple Airlines
Deal found 22/6£561
Tue 18/820:30
BWI
-
LGW
1 stop13h 10m
Icelandair
Thu 27/815:40
LGW
-
BWI
1 stop11h 35m
Icelandair
Deal found 23/6£563

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 23 June 2026.

Round-trip from

£552

One-way from

£157

Popular in

June

Cheapest in

January

Average price

£822
10/9-19/9
  • 10/9-19/9
  • 4 total stops
  • 54h 05m total
  • Washington, D.C. to London
15/7
  • 15/7
  • 1 total stop
  • 22h 55m total
  • Washington, D.C. to London
Highest demand for flights based on searches. 19% potential increase in price (£106 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 23 June 2026.
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 - LGW

BWILGW

Baltimore/Washington

Tue 24/11

19:40-10:55

1 stop10h 15m

London Gatwick

Sat 17/4

15:40-19:25

1 stop32h 45m

£628

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Sat 22/8

14:15-09:35

1 stop14h 20m

London Gatwick

Sat 5/9

12:20-21:50

1 stop14h 30m

£645
Fastest return journey

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Tue 11/8

17:00-09:35

1 stop11h 35m

London Gatwick

Wed 19/8

12:20-19:56

1 stop12h 36m

£647

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 10/8

17:47-16:00

2 stops17h 13m

London Gatwick

Wed 19/8

10:25-19:35

1 stop14h 10m

£653

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Wed 2/9

10:40-09:25

2 stops17h 45m

London Gatwick

Wed 9/9

10:25-23:26

2 stops18h 01m

£660

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 2/11

17:25-09:50

1 stop11h 25m

London Gatwick

Thu 19/11

16:00-20:35

1 stop33h 35m

£662

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 16/8

22:35-09:45

1 stop30h 10m

London Gatwick

Mon 19/10

16:25-15:10

1 stop27h 45m

£673

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 8/10

13:20-09:55

1 stop15h 35m

London Gatwick

Mon 12/10

17:35-11:35

1 stop23h 00m

£680

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 23/7

21:28-10:00

1 stop31h 32m

London Gatwick

Wed 29/7

14:00-00:23

1 stop15h 23m

£687

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sat 15/8

17:40-17:50

2 stops43h 10m

London Gatwick

Fri 28/8

09:25-21:29

2 stops41h 04m

£697

Flights are sorted by cheapest return flights first.

Deals found on 18/6

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, March is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of £233). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of £583). 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?

What’s the top stopover airport for flights from Washington, D.C. to London Gatwick Airport?

Share of one-stop return flights from Washington, D.C. to London Gatwick Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 67% of one-stop itineraries from Washington, D.C. to London Gatwick Airport on Cheapflights.

What’s the cheapest stopover airport for flights from Washington, D.C. to London Gatwick Airport?

Average return fare for one-stop flights from Washington, D.C. to London Gatwick Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of £363.

What’s the fastest stopover option from Washington, D.C. to London Gatwick Airport?

Shortest average travel time for one-stop one-way flights from Washington, D.C. to London Gatwick Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 10h 20m.

Which airport typically offers the quickest stopover for flights from Washington, D.C. to London Gatwick Airport?

Average stopover duration for one-stop one-way flights from Washington, D.C. to London Gatwick Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average stopover time of 1h 38m.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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 10h 15m. 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?

  • 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, March is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of £233). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of £583). 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
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Southall
Romford
Ipswich
Borehamwood
Folkestone
Southend-on-Sea

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Washington, D.C. to Gatwick become cheaper?

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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