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Washington, D.C.

$358+ Cheap flights from Gatwick (LGW) to Washington, D.C. (WAS)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — WAS
Apr 23 — Apr 301
Thu 4/23
Thu 4/30
1 adult, Economy
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Cheap flight deals from Gatwick to Washington, D.C.

Cheapest flights from Gatwick to Washington, D.C.
Explore the most affordable flight options available from Gatwick to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 24, 2026.

This The Travel House deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Mon 5/258:30 pm
IAD
-
LGW
1 stop10h 15m
Icelandair
Deal found 3/22$548
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Wed 6/311:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/20$551
This Flighttix deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/273:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 5/3111:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/19$552
This Travcart deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/143:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Tue 4/218:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 3/21$554
This FlightHub deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:40 pm
LGW
-
IAD
1 stop11h 35m
Icelandair
Sun 5/2411:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/22$558
This Gotogate deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 5/2411:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/23$559
This oojo deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/193:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Sun 5/2411:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/22$562
This Travcart deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Sat 5/168:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 3/20$567
This Icelandair deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/73:40 pm
LGW
-
IAD
1 stop11h 35m
Icelandair
Wed 6/2411:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/21$579
This Icelandair deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/203:40 pm
LGW
-
IAD
1 stop11h 35m
Icelandair
Wed 6/2411:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 3/20$581
This Travcart deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Tue 5/198:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 3/20$582
This deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:20 pm
LGW
-
DCA
1 stop12h 39m
JetBlue
Wed 6/105:25 pm
DCA
-
LGW
1 stop11h 10m
JetBlue
Deal found 3/20$588

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

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Washington, D.C. (WAS). 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 March 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$548
(The Travel House)

One-way from

$358
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$687
Provider with most accurate pricing for London Gatwick-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Gatwick-Washington, D.C. (WAS) flights.
Search Deals
From London Gatwick to Washington, D.C. (WAS)
Search Deals
One-way flight from London Gatwick to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($201 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($72 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Washington, D.C. 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 2,558,603 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 4/23

11:30 am-4:45 pm

2 stops34h 15m

Washington, D.C. Reagan-National

Mon 4/27

11:17 am-6:50 am

1 stop14h 33m

$618

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sun 4/19

3:40 pm-7:20 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Thu 4/23

8:30 pm-2:40 pm

1 stop13h 10m

$637

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Tue 5/12

2:30 pm-8:59 pm

1 stop35h 29m

Washington, D.C. Reagan-National

Sat 5/16

3:10 pm-6:50 am

1 stop34h 40m

$665

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 7/23

10:25 am-7:35 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 8/30

6:15 pm-9:25 am

1 stop10h 10m

$695

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 5/21

10:25 am-7:35 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Sun 6/7

6:15 pm-9:25 am

1 stop10h 10m

$700

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 4/16

10:25 am-7:35 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Thu 4/23

9:45 pm-4:00 pm

1 stop13h 15m

$703

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Tue 6/30

10:35 am-7:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Tue 7/14

6:15 pm-9:25 am

1 stop10h 10m

$723

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 6/10

10:25 am-7:35 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Sat 7/11

9:45 pm-4:00 pm

1 stop13h 15m

$736

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 6/8

10:25 am-7:35 pm

1 stop14h 10m

Washington, D.C. Dulles Intl

Sat 7/11

9:45 pm-4:00 pm

1 stop13h 15m

$736
Quickest round-trip

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 5/27

12:20 pm-7:59 pm

1 stop12h 39m

Washington, D.C. Reagan-National

Mon 6/1

6:45 pm-9:35 am

1 stop9h 50m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 58 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on London Gatwick Airport-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Gatwick Airport-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Gatwick Airport-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Gatwick Airport-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Gatwick Airport-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Gatwick to Washington, D.C.

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

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

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of $449). Flying from London Gatwick Airport to Washington, D.C. in July is currently the most expensive (average of $767). 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.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Washington, D.C.. 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 London Gatwick Airport to Washington, D.C.?

    Departing from London Gatwick Airport to Washington, D.C. will take you 14h 10m. London Gatwick Airport and Washington, D.C. are separated by a distance of 3683 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Gatwick to Washington, D.C. 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 London Gatwick Airport to Washington, D.C.?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of $449). Flying from London Gatwick Airport to Washington, D.C. in July is currently the most expensive (average of $767). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Owings Mills
Arlington
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park
Cordova

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Alternative routes for Gatwick to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.
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