Cheap flights from London Gatwick Airport to Washington, D.C. from £317

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — WAS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 17 September 2025.

Round-trip from

£386

One-way from

£317

Popular in

August

Cheapest in

March

Average price

£441
9/10-12/10
  • 9/10-12/10
  • 2 total stops
  • 49h 57m total
  • London to Washington, D.C.
18/10
  • 18/10
  • 2 total stops
  • 50h 20m total
  • London to Washington, D.C.
Highest demand for flights based on searches. 15% potential increase in price (£69 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find 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 17 September 2025.

Thu 9/1014:00LGW - BWI
1 stop27h 40mMultiple Airlines
Sun 12/1006:53BWI - LGW
1 stop22h 17mMultiple Airlines
Deal found 16/9£386
Thu 6/1114:00LGW - BWI
1 stop23h 50mMultiple Airlines
Wed 12/1106:45BWI - LGW
3 stops27h 20mMultiple Airlines
Deal found 16/9£389
Fri 19/914:00LGW - BWI
1 stop30h 32mMultiple Airlines
Sat 27/921:39BWI - LGW
1 stop31h 31mMultiple Airlines
Deal found 15/9£392
Mon 22/910:00LGW - BWI
1 stop18h 37mMultiple Airlines
Sat 4/1021:39BWI - LGW
1 stop31h 31mMultiple Airlines
Deal found 15/9£393
Mon 29/914:00LGW - BWI
1 stop30h 32mMultiple Airlines
Fri 3/1020:52BWI - LGW
1 stop32h 08mMultiple Airlines
Deal found 15/9£394
Sun 26/1011:10LGW - IAD
1 stop13h 20mMultiple Airlines
Sun 2/1117:05IAD - LGW
1 stop11h 10mMultiple Airlines
Deal found 16/9£396
Mon 27/1018:40LGW - IAD
1 stop27h 00mSWISS
Mon 3/1117:25IAD - LGW
1 stop19h 25mSWISS
Deal found 16/9£397
Mon 29/914:00LGW - BWI
1 stop30h 32mMultiple Airlines
Mon 6/1021:41BWI - LGW
1 stop31h 19mMultiple Airlines
Deal found 16/9£397
Tue 30/912:10LGW - DCA
1 stop13h 45mJetBlue
Mon 6/1016:20DCA - LGW
1 stop12h 15mJetBlue
Deal found 16/9£397
Tue 30/918:35LGW - IAD
1 stop26h 40mSWISS
Tue 7/1020:45IAD - LGW
1 stop16h 05mSWISS
Deal found 15/9£398
Tue 30/912:20LGW - DCA
2 stops16h 39mAmerican Airlines
Tue 7/1014:55DCA - LGW
1 stop12h 15mAmerican Airlines
Deal found 15/9£399
Tue 30/912:20LGW - BWI
2 stops15h 42mAmerican Airlines
Tue 7/1011:11BWI - LGW
2 stops15h 59mAmerican Airlines
Deal found 15/9£399

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 17 September 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Washington, D.C. that are best for you.

Fly from

Gatwick

Fly to

Washington, D.C.

Route

Depart

Return

Price

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Mon 29/9

14:00-15:32

1 stop30h 32m

Baltimore/Washington

Fri 3/10

20:52-10:00

1 stop32h 08m

£394

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Tue 6/1

11:55-18:40

1 stop11h 45m

Baltimore/Washington

Sat 10/1

19:40-10:55

1 stop10h 15m

£397

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sat 10/1

11:55-18:40

1 stop11h 45m

Baltimore/Washington

Wed 14/1

19:40-10:55

1 stop10h 15m

£397

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sat 10/1

11:55-18:40

1 stop11h 45m

Baltimore/Washington

Thu 15/1

19:40-10:55

1 stop10h 15m

£397

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 2/10

15:40-19:20

1 stop32h 40m

Washington, D.C. Dulles Intl

Tue 7/10

20:30-14:40

1 stop13h 10m

£403

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sat 27/9

14:00-19:47

1 stop34h 47m

Baltimore/Washington

Sat 4/10

21:39-10:10

1 stop31h 31m

£404

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Thu 20/11

14:00-08:50

1 stop23h 50m

Baltimore/Washington

Sat 6/12

15:31-10:05

1 stop13h 34m

£408

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Wed 1/10

12:10-20:55

1 stop13h 45m

Washington, D.C. Reagan-National

Wed 15/10

12:56-09:35

1 stop15h 39m

£422

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Thu 6/11

14:00-19:30

1 stop34h 30m

Baltimore/Washington

Wed 12/11

21:37-10:00

1 stop31h 23m

£425

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Tue 2/12

11:55-18:40

1 stop11h 45m

Baltimore/Washington

Thu 11/12

19:40-10:55

1 stop10h 15m

£429

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results
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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 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 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 £599). Flying from London Gatwick Airport to Washington, D.C. in July is currently the most expensive (average of £947). 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 LGW to WAS?

Find hourly flight availability from Gatwick to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 September 2025.

One of the essential ways to save on airfare from London Gatwick Airport to Washington, D.C. is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 30% on airfare.

How much does it cost for a return flight from London Gatwick Airport to Washington, D.C.?

What’s the top stopover airport for flights from London Gatwick Airport to Washington, D.C.?

Share of one-stop return flights from London Gatwick Airport to Washington, D.C. chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Reykjavik (KEF) – chosen by Cheapflights users on 73% of one-stop itineraries from London Gatwick Airport to Washington, D.C. on Cheapflights.

What’s the cheapest stopover airport for flights from London Gatwick Airport to Washington, D.C.?

Average return fare for one-stop flights from London Gatwick Airport to Washington, D.C., chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Zurich (ZRH) is the most affordable one-stop option, with an average return flight price of £405.

What’s the fastest stopover option from London Gatwick Airport to Washington, D.C.?

Shortest average travel time for one-stop one-way flights from London Gatwick Airport to Washington, D.C., based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via New York (JFK) have the shortest average one-way travel time for one-stop routes: 11h 28m.

Which airport typically offers the quickest stopover for flights from London Gatwick Airport to Washington, D.C.?

Average stopover duration for one-stop one-way flights from London Gatwick Airport to Washington, D.C., chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via New York (JFK) offer the fastest connection on this route, with an average stopover time of 1h 11m.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated 17 September 2025.
Read reviews from past customers who have flown with Icelandair and British Airways from London Gatwick Airport to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

6.9

Entertainment

7.0

Crew

8.0

Overall

7.0

Boarding

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Comfort

6.9

Entertainment

7.0

Crew

8.0

Overall

7.0

Boarding

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

Comfort

6.9

Entertainment

7.0

Crew

8.0

Overall

7.0

Boarding

7.2

Food

6.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

KEF - EWR

The airport in Reykjavik had too few seats at the departure gate. Otherwise the airport experience was fine. The flight was timely and smooth. The airplane was well maintained and staff pleasant and efficient

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.?

    A quick flight from London Gatwick Airport to Washington, D.C. can take about 11h 45m. Icelandair provides one of the quickest options available for as low as £397. London Gatwick Airport and Washington, D.C. are separated by a distance of 3641 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from London Gatwick Airport to Washington, D.C. round-trip?

    Flying on Icelandair is currently your cheapest option to Washington, D.C., with prices starting at £342. This flight start at 36% lower than the current average price 3 months from now.

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

  • 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 holiday 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 £599). Flying from London Gatwick Airport to Washington, D.C. in July is currently the most expensive (average of £947). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Tysons

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

Discover the top airline that operate flights from Gatwick to Washington, D.C.. 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 858,174 searches. Data last updated 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£342Average£496FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Gatwick to Washington, D.C. 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 Gatwick to Washington, D.C.?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Gatwick.

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

Yes! Cheapflights helps users easily find flights from Gatwick to Washington, D.C. with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Washington, D.C. become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Washington, D.C. from Gatwick today and book when prices fit your budget.

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