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Cheap flights from Washington, D.C. to London Gatwick Airport from £217

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LGW
24 Apr — 1 May1
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 25 March 2026.

Mon 20/422:35
IAD
-
LGW
2 stops16h 50m
TAP AIR PORTUGAL
Wed 29/416:25
LGW
-
IAD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 22/3£472
Sun 19/422:35
IAD
-
LGW
1 stop30h 10m
TAP AIR PORTUGAL
Tue 5/521:15
LGW
-
IAD
2 stops22h 55m
TAP AIR PORTUGAL
Deal found 23/3£475
Mon 20/422:35
IAD
-
LGW
1 stop30h 10m
TAP AIR PORTUGAL
Mon 4/516:25
LGW
-
IAD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 22/3£478
Sat 9/521:56
BWI
-
LGW
2 stops35h 44m
Multiple Airlines
Thu 14/515:40
LGW
-
BWI
2 stops20h 31m
Multiple Airlines
Deal found 20/3£479
Sun 19/422:35
IAD
-
LGW
1 stop30h 10m
TAP AIR PORTUGAL
Sun 26/421:15
LGW
-
IAD
2 stops46h 55m
TAP AIR PORTUGAL
Deal found 20/3£487
Mon 27/422:35
IAD
-
LGW
1 stop12h 00m
TAP AIR PORTUGAL
Wed 6/516:25
LGW
-
IAD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 25/3£490
Mon 4/522:35
IAD
-
LGW
1 stop30h 10m
TAP AIR PORTUGAL
Mon 11/516:25
LGW
-
IAD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 20/3£490
Mon 12/1020:30
BWI
-
LGW
1 stop13h 10m
Icelandair
Sun 1/1111:55
LGW
-
BWI
1 stop11h 45m
Icelandair
Deal found 21/3£492
Wed 22/422:35
IAD
-
LGW
1 stop30h 10m
TAP AIR PORTUGAL
Wed 29/416:25
LGW
-
IAD
1 stop27h 45m
TAP AIR PORTUGAL
Deal found 24/3£493
Tue 14/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Thu 30/413:00
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 22/3£496
Tue 14/420:30
BWI
-
LGW
1 stop13h 10m
Icelandair
Thu 30/413:00
LGW
-
BWI
1 stop11h 25m
Icelandair
Deal found 22/3£496
Thu 16/421:45
IAD
-
LGW
2 stops23h 15m
Multiple Airlines
Tue 21/406:00
LGW
-
IAD
2 stops34h 35m
Multiple Airlines
Deal found 25/3£497

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 25 March 2026.

Round-trip from

£472

One-way from

£225

Popular in

April

Cheapest in

November

Average price

£722
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 20/4-29/4
  • 3 total stops
  • 44h 35m total
  • Washington, D.C. to London
Search Deals
Icelandair
  • Icelandair
  • 3/8
  • 1 total stop
  • 10h 15m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 25 March 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

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 25/8

23:20-11:45

1 stop31h 25m

London Gatwick

Sun 30/8

15:40-19:20

1 stop32h 40m

£546

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 10/8

19:59-16:00

2 stops15h 01m

London Gatwick

Thu 20/8

10:25-19:35

1 stop14h 10m

£609

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Tue 14/4

15:33-16:00

2 stops19h 27m

London Gatwick

Mon 20/4

10:25-19:16

2 stops37h 51m

£625

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Mon 6/4

20:39-10:00

1 stop32h 21m

London Gatwick

Wed 29/4

14:00-13:25

1 stop28h 25m

£630

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 20/8

18:15-09:25

1 stop10h 10m

London Gatwick

Thu 27/8

10:25-19:35

1 stop14h 10m

£643

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 12/8

21:45-16:00

1 stop13h 15m

London Gatwick

Fri 21/8

10:25-19:35

1 stop14h 10m

£643

Washington, D.C.London

DCA - LGW

DCALGW

Washington, D.C. Reagan-National

Wed 9/9

17:00-16:00

2 stops18h 00m

London Gatwick

Sat 19/9

10:25-23:12

2 stops17h 47m

£654

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Sat 4/4

12:06-10:00

1 stop16h 54m

London Gatwick

Sat 18/4

14:00-16:29

1 stop31h 29m

£660

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 9/8

18:15-09:25

1 stop10h 10m

London Gatwick

Sun 16/8

10:25-19:35

1 stop14h 10m

£678

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 4/8

18:15-09:25

1 stop10h 10m

London Gatwick

Sat 15/8

10:25-19:35

1 stop14h 10m

£678

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 59 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 £271). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of £688). 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 £359.

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 15m.

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 30m.

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 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, March is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of £271). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of £688). 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
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Eastbourne
Guildford
Watford
Kingston upon Thames
Romford
Ipswich
Bedford
Chelmsford
Bishop's Stortford

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Cheapflights makes it easy to find Washington, D.C. to Gatwick flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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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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