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Cheap flights from Washington, D.C. to London Gatwick Airport from £133

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 25/3. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LGW
5 Mar — 12 Mar1
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 3 February 2026.

Sun 15/219:40
IAD
-
LGW
1 stop10h 15m
Icelandair
Sat 28/211:55
LGW
-
IAD
1 stop11h 35m
Icelandair
Deal found 31/1£382
Sat 21/320:40
IAD
-
LGW
1 stop10h 15m
Icelandair
Wed 8/415:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Deal found 1/2£384
Tue 21/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Sun 3/513:00
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 2/2£385
Sat 25/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Fri 1/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Deal found 2/2£387
Wed 29/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Wed 6/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Deal found 31/1£388
Sat 18/420:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Sun 3/513:00
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 1/2£388
Sun 22/206:00
DCA
-
LGW
1 stop19h 00m
Multiple Airlines
Fri 6/313:00
LGW
-
DCA
1 stop14h 59m
Multiple Airlines
Deal found 1/2£388
Sun 1/319:40
IAD
-
LGW
1 stop10h 15m
Icelandair
Tue 10/311:55
LGW
-
IAD
1 stop11h 35m
Icelandair
Deal found 31/1£389
Fri 1/520:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Tue 5/513:00
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 2/2£390
Wed 6/520:30
IAD
-
LGW
1 stop10h 15m
Icelandair
Mon 11/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Deal found 2/2£390
Fri 1/520:30
IAD
-
LGW
1 stop13h 10m
Icelandair
Thu 7/513:00
LGW
-
IAD
1 stop11h 20m
Icelandair
Deal found 2/2£391
Fri 1/520:30
IAD
-
LGW
1 stop10h 15m
Icelandair
Sat 9/515:40
LGW
-
IAD
1 stop32h 40m
Icelandair
Deal found 1/2£393

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 3 February 2026.

Round-trip from

£382

One-way from

£133

Popular in

February

Cheapest in

November

Average price

£852
Icelandair
  • Icelandair
  • 15/2-24/2
  • 2 total stops
  • 21h 50m total
  • Washington, D.C. to London
Search Deals
25/3
  • 25/3
  • 1 total stop
  • 19h 56m total
  • Washington, D.C. to London
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£53 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 February 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 3 February 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

Washington, D.C.

Fly to

Gatwick

Route

Depart

Return

Price

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 9/4

23:20-14:40

1 stop10h 20m

London Gatwick

Mon 13/4

15:40-19:25

1 stop32h 45m

£428

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 5/3

11:30-10:00

1 stop17h 30m

London Gatwick

Mon 9/3

14:00-11:17

1 stop25h 17m

£437

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Fri 8/5

23:20-11:45

1 stop31h 25m

London Gatwick

Sun 17/5

15:40-19:20

1 stop32h 40m

£449

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Mon 2/3

11:30-10:00

1 stop17h 30m

London Gatwick

Mon 9/3

14:00-11:17

1 stop25h 17m

£451

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 6/4

18:15-09:40

1 stop10h 25m

London Gatwick

Tue 14/4

10:35-19:35

1 stop14h 00m

£472

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 15/4

18:15-09:25

1 stop10h 10m

London Gatwick

Thu 23/4

10:25-19:35

1 stop14h 10m

£472

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 30/4

20:30-14:40

1 stop13h 10m

London Gatwick

Sat 9/5

15:40-22:15

1 stop11h 35m

£472

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Thu 30/4

20:30-14:40

1 stop13h 10m

London Gatwick

Mon 11/5

15:40-19:25

1 stop32h 45m

£473

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 6/3

11:30-10:00

1 stop17h 30m

London Gatwick

Thu 12/3

14:00-23:59

1 stop13h 59m

£476

BaltimoreLondon

BWI - LGW

BWILGW

Baltimore/Washington

Fri 6/3

11:30-10:00

1 stop17h 30m

London Gatwick

Mon 9/3

14:00-11:17

1 stop25h 17m

£476

Flights are sorted by cheapest return flights first.

Deals found on 1/2

Showing 1-10 of 59 results
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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 £246). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of £690). 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.

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 75% 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 £428.

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 10h 20m. 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 £246). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of £690). 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
Luton
Croydon
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Watford
Colchester
Guildford
Chelmsford
Bedford
Crawley
Kingston upon Thames
Eastbourne
Romford
Ipswich

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How does Cheapflights help users find flights from Washington, D.C. to Gatwick?

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.

Why should you use Cheapflights to find cheap flight tickets from Washington, D.C. to Gatwick?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington, D.C. to Gatwick.

Can Cheapflights find flights from Washington, D.C. to Gatwick with no change fees?

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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