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Cheap flights from London Gatwick Airport to Washington, D.C. from £199

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — WAS
7 Jul — 14 Jul1
1 adult

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 2 July 2025.

Round-trip from

£482

One-way from

£199

Popular in

August

Cheapest in

March

Average price

£728
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 17/9-29/9
  • 3 total stops
  • 59h 00m total
  • London to Washington, D.C.
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7/10
  • 7/10
  • 1 total stop
  • 35h 30m total
  • London to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£82 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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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 2 July 2025.

Wed 17/921:15LGW - IAD
2 stops28h 35mTAP AIR PORTUGAL
Mon 29/922:20IAD - LGW
1 stop30h 25mTAP AIR PORTUGAL
Deal found 1/7£482
Mon 18/810:00LGW - IAD
1 stop16h 13mMultiple Airlines
Tue 26/823:15IAD - LGW
1 stop10h 25mMultiple Airlines
Deal found 1/7£484
Sat 20/915:40LGW - IAD
1 stop11h 30mIcelandair
Sat 18/1023:15IAD - LGW
1 stop10h 25mIcelandair
Deal found 30/6£485
Thu 18/912:10LGW - DCA
1 stop24h 59mJetBlue
Wed 1/1016:39DCA - LGW
1 stop11h 56mJetBlue
Deal found 30/6£487
Thu 7/812:10LGW - DCA
1 stop24h 53mIcelandair
Mon 11/815:45DCA - LGW
1 stop12h 50mIcelandair
Deal found 1/7£489
Thu 20/1118:40LGW - IAD
2 stops24h 20mSWISS
Sun 30/1117:25IAD - LGW
1 stop19h 25mSWISS
Deal found 1/7£500
Sun 24/810:00LGW - BWI
2 stops17h 09mMultiple Airlines
Tue 9/914:30BWI - LGW
3 stops19h 10mMultiple Airlines
Deal found 2/7£516
Sun 31/813:10LGW - DCA
2 stops14h 17mMultiple Airlines
Sat 13/912:55DCA - LGW
2 stops14h 00mMultiple Airlines
Deal found 30/6£522
Sat 6/1211:00LGW - DCA
2 stops16h 38mIberia
Mon 8/1212:53DCA - LGW
2 stops24h 57mIberia
Deal found 30/6£523
Sun 14/1211:55LGW - BWI
1 stop11h 35mIcelandair
Tue 23/1219:30BWI - LGW
1 stop10h 25mIcelandair
Deal found 1/7£536
Thu 7/812:00LGW - DCA
1 stop16h 35mDelta
Sat 16/817:00DCA - LGW
1 stop12h 00mDelta
Deal found 1/7£541
Sat 30/812:00LGW - DCA
1 stop16h 41mVirgin Atlantic
Sat 6/913:40DCA - LGW
2 stops15h 20mVirgin Atlantic
Deal found 1/7£555

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 2 July 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

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Wed 17/9

21:15-20:50

2 stops28h 35m

Washington, D.C. Dulles Intl

Mon 29/9

22:20-09:45

1 stop30h 25m

£482

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Mon 18/8

10:00-21:13

1 stop16h 13m

Washington, D.C. Dulles Intl

Tue 26/8

23:15-14:40

1 stop10h 25m

£484

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Sat 20/9

15:40-22:10

1 stop11h 30m

Washington, D.C. Dulles Intl

Sat 18/10

23:15-14:40

1 stop10h 25m

£485

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 18/9

12:10-08:09

1 stop24h 59m

Washington, D.C. Reagan-National

Wed 1/10

16:39-09:35

1 stop11h 56m

£487

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Thu 7/8

12:10-08:03

1 stop24h 53m

Washington, D.C. Reagan-National

Mon 11/8

15:45-09:35

1 stop12h 50m

£489

LondonWashington, D.C.

LGW - IAD

LGWIAD

London Gatwick

Thu 20/11

18:40-14:00

2 stops24h 20m

Washington, D.C. Dulles Intl

Sun 30/11

17:25-17:50

1 stop19h 25m

£500

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sun 24/8

10:00-22:09

2 stops17h 09m

Baltimore/Washington

Tue 9/9

14:30-14:40

3 stops19h 10m

£516

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sun 31/8

13:10-22:27

2 stops14h 17m

Washington, D.C. Reagan-National

Sat 13/9

12:55-07:55

2 stops14h 00m

£522

LondonWashington, D.C.

LGW - DCA

LGWDCA

London Gatwick

Sat 6/12

11:00-22:38

2 stops16h 38m

Washington, D.C. Reagan-National

Mon 8/12

12:53-18:50

2 stops24h 57m

£523

LondonBaltimore

LGW - BWI

LGWBWI

London Gatwick

Sun 14/12

11:55-18:30

1 stop11h 35m

Baltimore/Washington

Tue 23/12

19:30-10:55

1 stop10h 25m

£536

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 20 results
1
2

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 2 July 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.

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 2 July 2025.
Read reviews from past customers who have flown with Delta, Finnair, andSWISS 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.
Delta
8.0
Very Good
7,974 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,974 reviews
Delta
8.0
Very Good
7,974 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,301 reviews
Delta
8.0
Very Good
7,974 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,654 reviews
Delta
8.0
Very Good
7,974 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very Good
7,974 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,918 reviews
Delta
8.0
Very Good
7,974 reviews
Check prices

Comfort

7.9

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from London Gatwick Airport to Washington, D.C. round-trip?

    Flying on TAP AIR PORTUGAL is currently your cheapest option to Washington, D.C., with prices starting at £482. Additional return tickets that might be worth considering are offered by Icelandair and JetBlue, with the lowest prices starting at £485 and £487, respectively. These flights start at 9% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from London Gatwick Airport to Washington, D.C. one-way?

    The cheapet airlines for a one-way flight from London Gatwick Airport to Washington, D.C. are TAP AIR PORTUGAL (£391), Icelandair (£399), and Finnair (£477).

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

    Most travelers choose London Gatwick - Washington, D.C. Dulles Intl, London Gatwick - Baltimore/Washington or London Gatwick - Washington, D.C. Reagan-National when deciding on the best route 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Arlington
Woodbridge
College Park
Laurel
Tysons

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Gatwick to Washington, D.C.

Discover the top 2 airlines 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 2 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£348Average£512FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£373Average£604FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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