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Cheap flights from London Gatwick Airport to Washington from £326

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 19/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
9 Jun — 16 Jun1
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 10 May 2026.

Thu 25/613:00
LGW
-
SEA
1 stop12h 55m
Icelandair
Sun 5/719:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 8/5£519
Tue 2/613:00
LGW
-
SEA
1 stop30h 45m
Icelandair
Sun 7/619:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 9/5£520
Wed 3/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 30/623:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Deal found 9/5£521
Thu 11/613:00
LGW
-
SEA
1 stop12h 55m
Icelandair
Thu 9/719:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 9/5£521
Wed 17/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Fri 17/719:00
SEA
-
LGW
1 stop32h 45m
Icelandair
Deal found 8/5£522
Thu 28/513:00
LGW
-
SEA
1 stop30h 45m
Icelandair
Sat 6/619:00
SEA
-
LGW
1 stop11h 35m
Icelandair
Deal found 9/5£523
Tue 2/613:00
LGW
-
SEA
1 stop30h 45m
Icelandair
Tue 30/623:25
SEA
-
LGW
1 stop28h 20m
Icelandair
Deal found 9/5£524
Thu 4/613:00
LGW
-
SEA
1 stop12h 55m
Icelandair
Wed 15/719:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 8/5£526
Tue 15/910:20
LGW
-
SEA
1 stop13h 20m
Condor
Tue 29/918:05
SEA
-
LGW
1 stop16h 45m
Condor
Deal found 10/5£527
Tue 19/515:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 31/519:00
SEA
-
LGW
1 stop32h 45m
Icelandair
Deal found 9/5£527
Tue 1/915:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Wed 9/915:40
SEA
-
LGW
1 stop12h 05m
Icelandair
Deal found 8/5£528
Fri 28/812:20
LGW
-
PDX
1 stop32h 44m
JetBlue
Sat 5/914:20
PDX
-
LGW
1 stop35h 15m
JetBlue
Deal found 8/5£667

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 10 May 2026.

Round-trip from

£519

One-way from

£326

Popular in

July

Cheapest in

February

Average price

£544
Icelandair
  • Icelandair
  • 28/5-1/6
  • 2 total stops
  • 39h 45m total
  • London to Washington
Search Deals
19/5
  • 19/5
  • 3 total stops
  • 53h 05m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 10 May 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

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 19/5

10:20-15:40

1 stop13h 20m

Seattle/Tacoma Intl

Thu 4/6

18:05-18:50

1 stop16h 45m

£560

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 22/5

10:20-16:00

1 stop13h 40m

Seattle/Tacoma Intl

Sat 6/6

08:03-18:45

2 stops26h 42m

£620

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 19/5

10:20-15:40

1 stop13h 20m

Seattle/Tacoma Intl

Thu 4/6

08:03-14:45

2 stops22h 42m

£629

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 7/6

10:25-00:06

2 stops21h 41m

Seattle/Tacoma Intl

Sun 14/6

13:30-16:00

1 stop18h 30m

£640
Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 6/8

10:25-17:34

1 stop15h 09m

Seattle/Tacoma Intl

Tue 11/8

13:30-09:25

1 stop11h 55m

£649

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 2/8

17:00-11:15

1 stop26h 15m

Seattle/Tacoma Intl

Mon 10/8

13:30-09:40

1 stop12h 10m

£689

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Thu 25/6

10:20-20:37

2 stops18h 17m

Seattle/Tacoma Intl

Sat 4/7

18:15-18:45

1 stop16h 30m

£699

LondonSpokane

LGW - GEG

LGWGEG

London Gatwick

Tue 1/9

13:00-23:59

2 stops18h 59m

Spokane

Wed 9/9

12:30-11:45

2 stops15h 15m

£700

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 18/7

17:00-11:15

1 stop26h 15m

Seattle/Tacoma Intl

Tue 18/8

05:10-09:25

2 stops20h 15m

£704

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Mon 1/6

12:40-13:50

3 stops33h 10m

Portland

Sun 7/6

19:45-07:55

3 stops28h 10m

£721

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 54 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

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 10 May 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
653 reviews
Check prices

Food

6.2

Overall

7.0

Boarding

7.2

Comfort

6.9

Entertainment

6.9

Crew

8.0

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
653 reviews
Icelandair
7.0
Good
653 reviews
Check prices

Food

6.2

Overall

7.0

Boarding

7.2

Comfort

6.9

Entertainment

6.9

Crew

8.0

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 Condor, Virgin Atlantic, and Icelandair fly from London Gatwick Airport to State of Washington in about 13h 20m. The time it takes to get you to your destination can typically vary by up to 8h 21m. 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 10 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£372Average£490FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

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