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Cheap flights from London Gatwick Airport to Washington from £276

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
24 May — 31 May1
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 24 April 2026.

Wed 24/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Fri 10/715:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 23/4£522
Tue 30/615:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Thu 9/719:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 23/4£523
Sun 28/613:00
LGW
-
SEA
1 stop30h 45m
Icelandair
Sun 5/719:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 23/4£523
Wed 27/515:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Thu 11/623:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Deal found 22/4£524
Wed 29/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 11/519:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 22/4£526
Wed 29/415:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 10/519:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 22/4£527
Mon 1/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 22/623:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Deal found 23/4£529
Tue 12/509:40
LGW
-
SEA
2 stops32h 00m
Multiple Airlines
Tue 2/619:00
SEA
-
LGW
2 stops17h 10m
Multiple Airlines
Deal found 21/4£531
Sat 2/515:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Thu 7/519:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 24/4£532
Mon 4/515:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Mon 11/519:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 22/4£532
Mon 1/608:40
LGW
-
SEA
1 stop16h 30m
Multiple Airlines
Fri 12/619:10
SEA
-
LGW
1 stop17h 35m
Multiple Airlines
Deal found 22/4£533
Wed 27/519:40
LGW
-
PDX
1 stop25h 55m
Condor
Thu 4/615:35
PDX
-
LGW
1 stop15h 05m
Condor
Deal found 21/4£646

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 24 April 2026.

Round-trip from

£522

One-way from

£276

Popular in

July

Cheapest in

February

Average price

£540
Icelandair
  • Icelandair
  • 24/6-10/7
  • 2 total stops
  • 28h 00m total
  • London to Washington
Search Deals
22/6
  • 22/6
  • 2 total stops
  • 48h 20m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 24 April 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

Wed 29/4

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sun 10/5

19:00-14:40

1 stop11h 40m

£527

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 30/4

13:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Sat 9/5

15:40-11:45

1 stop12h 05m

£552

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 28/5

15:40-11:45

1 stop28h 05m

Seattle/Tacoma Intl

Thu 11/6

23:25-14:40

1 stop31h 15m

£569

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 30/5

15:40-11:45

1 stop28h 05m

Seattle/Tacoma Intl

Thu 11/6

23:25-14:40

1 stop31h 15m

£569

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 27/5

15:40-11:45

1 stop28h 05m

Seattle/Tacoma Intl

Wed 10/6

23:25-14:40

1 stop31h 15m

£569

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 3/6

10:25-23:53

2 stops21h 28m

Seattle/Tacoma Intl

Wed 10/6

13:30-16:00

1 stop18h 30m

£603

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 12/5

13:00-17:55

1 stop12h 55m

Seattle/Tacoma Intl

Mon 25/5

15:40-11:45

1 stop12h 05m

£606

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 18/5

10:25-17:39

1 stop15h 14m

Seattle/Tacoma Intl

Mon 1/6

13:30-09:40

1 stop12h 10m

£614

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 23/5

10:25-17:39

1 stop15h 14m

Seattle/Tacoma Intl

Tue 26/5

18:40-16:00

1 stop13h 20m

£621

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 23/5

10:25-17:39

1 stop15h 14m

Seattle/Tacoma Intl

Fri 5/6

18:50-16:00

1 stop13h 10m

£632

Flights are sorted by cheapest return flights first.

Deals found on 23/4

Showing 1-10 of 54 resultsSorted by cheapest first
1
2
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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

How much does it cost for a return flight from London Gatwick Airport to State of Washington?

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 24 April 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
7.0
Good
639 reviews
Check prices

Boarding

7.2

Crew

8.0

Overall

7.0

Food

6.2

Comfort

6.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Bruce,Mar 2026

BCN - KEF

The airline is charging everything. Drink, meal and ear plug for watching entertainment. This was 4 hours 40 minutes flight.
Icelandair
7.0
Good
639 reviews
Icelandair
7.0
Good
639 reviews
Check prices

Boarding

7.2

Crew

8.0

Overall

7.0

Food

6.2

Comfort

6.9

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Bruce,Mar 2026

BCN - KEF

The airline is charging everything. Drink, meal and ear plug for watching entertainment. This was 4 hours 40 minutes flight.

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 JetBlue 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 5h 14m. 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 24 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£376Average£496FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

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How does Cheapflights help users find flights from Gatwick to Washington?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Gatwick to Washington flexibly with Cheapflights today.

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