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Cheap flights from London Gatwick Airport to Washington from £223

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
5 Apr — 12 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Washington

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Washington
Explore the most affordable flight options available from Gatwick to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 March 2026.

Thu 16/411:00
LGW
-
SEA
2 stops17h 40m
Multiple Airlines
Mon 27/415:40
SEA
-
LGW
2 stops19h 35m
Multiple Airlines
Deal found 5/3£398
Thu 9/409:20
LGW
-
SEA
2 stops19h 20m
Multiple Airlines
Sun 19/415:40
SEA
-
LGW
2 stops20h 30m
Multiple Airlines
Deal found 4/3£406
Wed 15/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Wed 22/415:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 1/3£426
Thu 16/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Wed 29/415:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 6/3£427
Wed 15/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 28/415:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 4/3£429
Mon 13/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 27/415:40
SEA
-
LGW
1 stop12h 05m
Icelandair
Deal found 1/3£430
Wed 15/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Wed 29/419:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 3/3£433
Mon 13/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 19/419:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 3/3£435
Tue 14/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 21/419:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 1/3£436
Thu 16/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 27/415:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 5/3£438
Wed 15/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Thu 23/419:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 4/3£439
Thu 16/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 28/415:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 3/3£442

Find flight deals from Gatwick to Washington

Keep the following information in mind while searching for Gatwick to Washington flight deals. Data was last updated 6 March 2026.

Round-trip from

£398

One-way from

£223

Popular in

July

Cheapest in

February

Average price

£520
16/4-27/4
  • 16/4-27/4
  • 4 total stops
  • 37h 15m total
  • London to Washington
Search Deals
5/6
  • 5/6
  • 1 total stop
  • 35h 52m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to Washington 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 6 March 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 5/5

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sat 16/5

19:00-14:40

1 stop11h 40m

£469

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 5/5

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Thu 14/5

19:00-14:40

1 stop11h 40m

£469

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 14/6

15:40-11:45

1 stop28h 05m

Seattle/Tacoma Intl

Thu 18/6

23:25-14:40

1 stop31h 15m

£594

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 31/8

10:00-23:54

1 stop21h 54m

Portland

Sun 6/9

17:40-10:55

1 stop33h 15m

£604

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 23/4

09:25-22:42

2 stops21h 17m

Seattle/Tacoma Intl

Mon 27/4

07:00-08:20

2 stops17h 20m

£607

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Sat 20/6

10:00-22:18

1 stop20h 18m

Spokane

Sat 11/7

16:05-10:55

2 stops34h 50m

£639

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 19/4

09:25-22:42

2 stops21h 17m

Seattle/Tacoma Intl

Sun 26/4

07:00-08:25

2 stops17h 25m

£688

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Fri 28/8

15:40-11:45

1 stop28h 05m

Portland

Sat 5/9

15:30-14:40

1 stop15h 10m

£701

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Thu 16/4

15:40-21:24

2 stops37h 44m

Spokane

Thu 23/4

06:00-14:40

2 stops24h 40m

£716

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 20/4

10:20-16:10

1 stop13h 50m

Seattle/Tacoma Intl

Mon 4/5

08:31-14:40

2 stops22h 09m

£722

Flights are sorted by cheapest return flights first.

Deals found on 1/3

Showing 1-10 of 52 resultsSorted by cheapest first
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6

Best time to book a flight from Gatwick to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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. Reviews last updated 6 March 2026.
Read through reviews of airlines operating flights from London Gatwick Airport to Washington, such as Icelandair. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.1
Good
617 reviews
Check prices

Food

6.2

Overall

7.1

Boarding

7.2

Entertainment

7.0

Comfort

7.0

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.
Icelandair
7.1
Good
617 reviews
Icelandair
7.1
Good
617 reviews
Check prices

Food

6.2

Overall

7.1

Boarding

7.2

Entertainment

7.0

Comfort

7.0

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Dmitry,Oct 2025

KEF - EWR

It was a nice experience, the plane was clean and the crew was friendly. The boarding process went smoothly and there were no delays.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Washington. 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 State of Washington?

    Airlines like Icelandair and SWISS fly from London Gatwick Airport to State of Washington in about 13h. The time it takes to get you to your destination can typically vary by up to 8h 17m. The distance between London Gatwick Airport and State of Washington is about 4807 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from London Gatwick Airport to State of Washington?

    The most popular route from London Gatwick Airport to State of Washington is London Gatwick - Seattle/Tacoma Intl. You may also consider London Gatwick - Portland or London Gatwick - Spokane.

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

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

  • How can I find direct flights from Gatwick to Washington?

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

  • Can I find deals for business class flights from Gatwick to Washington?

    Yes. Cheapflights offers flight deals from Gatwick to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Gatwick to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Gatwick to Washington

Discover the top airline that operate flights from Gatwick to Washington. 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 6 March 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£361Average£466FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

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