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$170+ Cheap flights from Washington, D.C. (WAS) to Gatwick (LGW)

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LGW
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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Cheap 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$514
(oojo)

One-way from

$170
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$611
Provider with most accurate pricing for Washington, D.C. (WAS)-London Gatwick flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-London Gatwick flights.
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From Washington, D.C. (WAS) to London Gatwick
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One-way flight from Washington, D.C. (WAS) to London Gatwick
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Highest demand for flights based on searches. 9% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington, D.C. to Gatwick

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 September 29, 2025.

This oojo deal was found by Cheapflights users on 9/27. 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.
Sun 11/3010:30 pmIAD - LGW
2 stops17h 05mTAP AIR PORTUGAL
Sun 12/710:40 amLGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 9/27$514
This oojo deal was found by Cheapflights users on 9/28. 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.
Sun 11/910:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Tue 11/254:35 pmLGW - IAD
1 stop33h 25mTAP AIR PORTUGAL
Deal found 9/28$515
This oojo deal was found by Cheapflights users on 9/29. 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.
Sun 11/3010:30 pmIAD - LGW
1 stop12h 15mTAP AIR PORTUGAL
Mon 12/811:00 amLGW - IAD
2 stops32h 35mTAP AIR PORTUGAL
Deal found 9/29$516
This FlightHub deal was found by Cheapflights users on 9/27. 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 12/1010:30 pmIAD - LGW
1 stop30h 20mTAP AIR PORTUGAL
Mon 12/154:35 pmLGW - IAD
1 stop27h 00mTAP AIR PORTUGAL
Deal found 9/27$517
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Sun 11/167:40 pmIAD - LGW
2 stops22h 40mMultiple Airlines
Thu 11/208:50 pmLGW - IAD
2 stops26h 40mMultiple Airlines
Deal found 9/28$518
This Flightnetwork deal was found by Cheapflights users on 9/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:30 pmIAD - LGW
2 stops22h 05mTAP AIR PORTUGAL
Fri 11/2110:40 amLGW - IAD
1 stop15h 20mTAP AIR PORTUGAL
Deal found 9/29$519
This CrystalTravel deal was found by Cheapflights users on 9/27. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:30 pmIAD - LGW
1 stop13h 05mIcelandair
Sun 11/211:55 amLGW - IAD
1 stop11h 35mIcelandair
Deal found 9/27$520
This oojo deal was found by Cheapflights users on 9/28. 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.
Mon 11/245:30 pmIAD - LGW
2 stops22h 05mTAP AIR PORTUGAL
Thu 12/44:00 pmLGW - IAD
1 stop34h 00mTAP AIR PORTUGAL
Deal found 9/28$521
This oojo deal was found by Cheapflights users on 9/26. 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 11/185:30 pmIAD - LGW
1 stop17h 15mTAP AIR PORTUGAL
Wed 11/269:35 amLGW - IAD
2 stops34h 40mTAP AIR PORTUGAL
Deal found 9/26$522
This oojo deal was found by Cheapflights users on 9/27. 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.
Wed 12/310:30 pmIAD - LGW
1 stop11h 35mTAP AIR PORTUGAL
Wed 12/109:35 amLGW - IAD
2 stops34h 40mTAP AIR PORTUGAL
Deal found 9/27$524
This Mytrip deal was found by Cheapflights users on 9/28. 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.
Sun 11/97:40 pmIAD - LGW
2 stops22h 40mMultiple Airlines
Thu 11/138:50 pmLGW - IAD
2 stops26h 40mMultiple Airlines
Deal found 9/28$525
This Flightnetwork deal was found by Cheapflights users on 9/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:30 pmIAD - LGW
2 stops17h 05mTAP AIR PORTUGAL
Thu 11/204:00 pmLGW - IAD
1 stop34h 00mTAP AIR PORTUGAL
Deal found 9/29$526

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 29, 2025.
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

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 11/5

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Fri 11/14

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 2/12

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 2/25

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Wed 2/11

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 2/21

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Mon 2/9

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 2/21

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 1/24

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Tue 3/24

11:55 am-7:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Thu 12/4

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 12/10

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 2/15

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Thu 2/26

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Tue 2/10

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 2/21

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sun 2/8

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Sat 2/21

11:55 am-6:30 pm

1 stop11h 35m

$567

Washington, D.C.London

IAD - LGW

IADLGW

Washington, D.C. Dulles Intl

Sat 2/21

7:40 pm-10:55 am

1 stop10h 15m

London Gatwick

Wed 2/25

11:55 am-6:30 pm

1 stop11h 35m

$567

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 59 results
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Compare providers for flights from Washington, D.C. to Gatwick

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Gatwick in September.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-London Gatwick Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-London Gatwick Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-London Gatwick Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-London Gatwick Airport 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 Washington, D.C.-London Gatwick Airport 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 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 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 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, January is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of $567). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of $765). 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 is the cheapest time of day to fly from WAS to LGW?

Find hourly flight availability from Washington, D.C. to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

It’s typically best to fly out from Washington, D.C. to London Gatwick Airport in the evening. Doing so could potentially save you 16% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from Washington, D.C. to London Gatwick Airport?

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated September 29, 2025.
Get a feel of what it's like to fly with American Airlines, Icelandair, and British Airways from Washington, D.C. to London Gatwick Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
Icelandair
7.0
Good
546 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
British Airways
6.7
Okay
7,406 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Entertainment

6.9

Overall

7.2

Boarding

7.5

Food

6.4

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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?

    Icelandair and JetBlue can get you from Washington, D.C. to London Gatwick Airport in just under 10h 15m. Your travel time can differ by up to 4h 45m. Airlines will cover 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 is the cheapest airline to fly from Washington, D.C. to London Gatwick Airport round-trip?

    Currently priced at $491, Icelandair will fly you from Washington, D.C. to London Gatwick Airport and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Users have found that Icelandair is 37% cheaper than the other options available to this destination.

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

    Most travelers choose Washington, D.C. Dulles Intl - London Gatwick, Baltimore/Washington - London Gatwick or Washington, D.C. Reagan-National - London Gatwick when deciding on the best route 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 vacation 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, January is the cheapest month in which you can book a flight from Washington, D.C. to London Gatwick Airport (average of $567). Flying from Washington, D.C. to London Gatwick Airport in June is currently the most expensive (average of $765). 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Washington, D.C. to Gatwick

Discover the top airline that operate flights from Washington, D.C. to Gatwick. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$472Average$671FlexibilityNo cancel feeOn-time76%

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