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Washington, D.C.

$459+ 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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — WAS
Tem 22 — Tem 291
Çar 7/22
Çar 7/29
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 Haziran 22, 2026.

This Trip.com deal was found by Cheapflights users on 6/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 8/173:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Sal 9/18:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 6/21$610
This BYOjet deal was found by Cheapflights users on 6/22. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 7/79:25 am
LGW
-
IAD
1 stop35h 05m
SWISS
Çar 7/226:10 pm
IAD
-
LGW
2 stops18h 40m
SWISS
Deal found 6/22$611
This Cheapflightsfares deal was found by Cheapflights users on 6/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 7/299:25 am
LGW
-
IAD
1 stop12h 20m
SWISS
Çar 9/308:20 pm
IAD
-
LGW
1 stop16h 30m
SWISS
Deal found 6/21$612
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 8/183:40 pm
LGW
-
IAD
1 stop11h 35m
Icelandair
Çar 8/268:30 pm
IAD
-
LGW
1 stop10h 15m
Icelandair
Deal found 6/21$616
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sal 8/183:40 pm
LGW
-
IAD
1 stop11h 35m
Icelandair
Cum 8/2811:20 pm
IAD
-
LGW
1 stop10h 20m
Icelandair
Deal found 6/22$617
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Per 7/169:25 am
LGW
-
IAD
1 stop12h 20m
SWISS
Sal 7/218:20 pm
IAD
-
LGW
1 stop16h 30m
SWISS
Deal found 6/19$618
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 7/89:25 am
LGW
-
IAD
1 stop12h 20m
SWISS
Pzt 8/175:40 pm
IAD
-
LGW
1 stop19h 10m
SWISS
Deal found 6/18$619
This Icelandair deal was found by Cheapflights users on 6/19. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Paz 8/21:00 pm
LGW
-
IAD
1 stop11h 20m
Icelandair
Paz 8/308:30 pm
IAD
-
LGW
1 stop13h 10m
Icelandair
Deal found 6/19$620
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Pzt 8/33:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Çar 8/268:30 pm
IAD
-
LGW
1 stop10h 15m
Icelandair
Deal found 6/19$621
This Kissandfly.com deal was found by Cheapflights users on 6/18. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Çar 8/193:40 pm
LGW
-
IAD
1 stop32h 40m
Icelandair
Pzt 8/248:30 pm
IAD
-
LGW
1 stop10h 15m
Icelandair
Deal found 6/18$623
This TravelUp deal was found by Cheapflights users on 6/18. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cmt 11/74:35 pm
LGW
-
IAD
1 stop33h 00m
TAP AIR PORTUGAL
Pzt 12/75:25 pm
IAD
-
LGW
1 stop11h 25m
TAP AIR PORTUGAL
Deal found 6/18$625
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cum 9/112:00 pm
LGW
-
IAD
1 stop34h 09m
Multiple Airlines
Sal 9/1511:20 pm
IAD
-
LGW
1 stop10h 20m
Multiple Airlines
Deal found 6/18$632

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 Haziran 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$610
(Trip.com)

One-way from

$464
(American Airlines)

Popular in

July

Cheapest in

November

Average price

$878
Provider with most accurate pricing for London (LON)-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-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. 17% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 Haziran 22, 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 - IAD

LGWIAD

London Gatwick

Cum 9/11

5:00 pm-4:05 pm

1 stop28h 05m

Washington, D.C. Dulles Intl

Paz 9/27

6:15 pm-9:25 am

1 stop10h 10m

$689

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Paz 8/2

1:00 pm-7:25 pm

1 stop11h 25m

Baltimore/Washington

Paz 8/30

11:20 pm-2:40 pm

1 stop10h 20m

$709

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Çar 8/12

3:40 pm-10:15 pm

1 stop11h 35m

Baltimore/Washington

Pzt 8/31

8:30 pm-2:40 pm

1 stop13h 10m

$709

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Cum 7/10

12:20 pm-9:50 pm

1 stop14h 30m

Washington, D.C. Reagan-National

Cmt 7/18

5:47 pm-9:35 am

1 stop10h 48m

$719

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Çar 7/15

12:20 pm-9:50 pm

1 stop14h 30m

Washington, D.C. Reagan-National

Çar 7/22

2:25 pm-9:35 am

1 stop14h 10m

$741

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Cum 8/14

10:25 am-10:59 pm

2 stops17h 34m

Washington, D.C. Reagan-National

Paz 8/23

3:15 pm-9:25 am

2 stops13h 10m

$751

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Cum 7/31

10:25 am-11:08 am

2 stops29h 43m

Baltimore/Washington

Cum 8/14

6:27 pm-4:00 pm

2 stops16h 33m

$762

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Cum 7/3

11:30 am-12:01 am

2 stops17h 31m

Washington, D.C. Reagan-National

Pzt 7/13

5:00 pm-8:00 pm

2 stops22h 00m

$783

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Çar 7/15

12:20 pm-7:04 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Pzt 7/20

5:00 pm-9:35 am

1 stop11h 35m

$797

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Per 7/16

12:20 pm-7:04 pm

1 stop11h 44m

Washington, D.C. Reagan-National

Çar 7/22

2:25 pm-9:35 am

1 stop14h 10m

$797

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 60 resultsSorted by cheapest first
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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, August is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of $190). Flying from London Gatwick Airport to Washington, D.C. in June is currently the most expensive (average of $878). 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 to fly round-trip from London Gatwick Airport to Washington, D.C.?

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 11h 25m. London Gatwick Airport and Washington, D.C. are separated by a distance of 3641 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, August is the cheapest month in which you can book a flight from London Gatwick Airport to Washington, D.C. (average of $190). Flying from London Gatwick Airport to Washington, D.C. in June is currently the most expensive (average of $878). 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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Laurel
Fredericksburg
Hanover
Manassas
Waldorf
Silver Spring
Largo
Clinton
Hunt Valley

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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.
Heathrow to Dulles Intl flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
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