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Cheap flights from London Gatwick Airport to Washington from £330

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
9 Jul — 16 Jul1
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 9 June 2026.

Fri 25/915:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sun 28/214:35
SEA
-
LGW
1 stop12h 20m
Icelandair
Deal found 9/6£519
Sun 13/1210:00
LGW
-
SEA
1 stop13h 28m
Delta
Wed 13/114:15
SEA
-
LGW
1 stop17h 30m
Delta
Deal found 8/6£523
Mon 24/810:25
LGW
-
SEA
1 stop15h 09m
Delta
Sat 5/918:45
SEA
-
LGW
1 stop13h 15m
Delta
Deal found 8/6£525
Sun 13/1210:00
LGW
-
SEA
2 stops20h 12m
Virgin Atlantic
Wed 13/106:05
SEA
-
LGW
2 stops18h 55m
Virgin Atlantic
Deal found 8/6£528
Thu 16/710:25
LGW
-
SEA
1 stop15h 02m
Delta
Tue 4/818:40
SEA
-
LGW
1 stop13h 20m
Delta
Deal found 8/6£531
Wed 8/715:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Thu 16/719:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 8/6£533
Fri 10/717:00
LGW
-
SEA
1 stop32h 27m
Multiple Airlines
Tue 14/713:30
SEA
-
LGW
1 stop18h 30m
Multiple Airlines
Deal found 8/6£535
Thu 25/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Sat 11/715:40
SEA
-
LGW
1 stop12h 05m
Icelandair
Deal found 9/6£536
Sun 14/615:40
LGW
-
SEA
1 stop34h 15m
Icelandair
Sun 28/619:00
SEA
-
LGW
1 stop32h 45m
Icelandair
Deal found 8/6£537
Mon 13/717:00
LGW
-
SEA
1 stop26h 15m
Multiple Airlines
Thu 30/713:30
SEA
-
LGW
1 stop11h 55m
Multiple Airlines
Deal found 7/6£537
Thu 25/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Fri 3/723:25
SEA
-
LGW
1 stop28h 20m
Icelandair
Deal found 5/6£538
Tue 10/1110:00
LGW
-
GEG
2 stops19h 37m
Virgin Atlantic
Tue 17/1110:50
GEG
-
LGW
2 stops20h 55m
Virgin Atlantic
Deal found 8/6£739

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 9 June 2026.

Round-trip from

£519

One-way from

£330

Popular in

July

Cheapest in

February

Average price

£627
Icelandair
  • Icelandair
  • 25/9-2/3
  • 2 total stops
  • 25h 20m total
  • London to Washington
Search Deals
23/9
  • 23/9
  • 3 total stops
  • 47h 50m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£56 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 June 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 9 June 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

Mon 24/8

09:25-20:43

2 stops19h 18m

Seattle/Tacoma Intl

Thu 10/9

07:00-08:25

2 stops17h 25m

£570

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 5/9

09:25-22:43

2 stops21h 18m

Seattle/Tacoma Intl

Sun 4/10

07:00-08:25

2 stops17h 25m

£616

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 11/8

10:35-17:34

1 stop14h 59m

Seattle/Tacoma Intl

Wed 19/8

11:05-16:00

2 stops20h 55m

£627
Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 30/6

10:35-17:30

1 stop14h 55m

Seattle/Tacoma Intl

Sat 11/7

18:35-16:00

1 stop13h 25m

£660

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 19/6

10:20-20:37

2 stops18h 17m

Seattle/Tacoma Intl

Sun 28/6

17:40-18:50

1 stop17h 10m

£682

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 4/11

11:55-13:04

2 stops33h 09m

Seattle/Tacoma Intl

Sun 8/11

14:35-10:55

1 stop12h 20m

£694

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 2/10

09:25-22:56

2 stops21h 31m

Seattle/Tacoma Intl

Sun 11/10

07:00-08:25

2 stops17h 25m

£716

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 28/8

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sat 27/2

08:06-10:55

2 stops18h 49m

£726

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 29/8

15:40-11:45

1 stop28h 05m

Seattle/Tacoma Intl

Fri 26/2

18:50-10:55

2 stops32h 05m

£732

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Tue 1/9

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Fri 26/2

18:50-10:55

2 stops32h 05m

£736

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 56 resultsSorted by cheapest first
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3
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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 9 June 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
670 reviews
Check prices

Crew

8.0

Food

6.2

Boarding

7.2

Entertainment

6.9

Comfort

6.9

Overall

7.0

Reviews

1 / 20
4.0
Okay

Daniel,May 2026

LHR - KEF

We had to change flights in Reykjavik and the outgoing flight was send to gate D23, where there were NO SEATS in the lounge. And in general, there were not enough seats for transferring passengers in general. After the three hour flight from London and then expecting a 7 hour flight to Seattle, having to stand & mill around for over an hour was rather unpleasant. We had booked Business Class and were assigned seats in the bulkhead seats, row 1. This made a MOST unpleasant 7 hour flight from Reykjavik to Seattle. The flight attendants had stored some of their carry-ons in the overhead bin just above us so it left us little room to place our carry-ons that was convenient. The seats in Business Class are too deep for shorter people and without ANY form of leg rest/support, we struggled to be comfortable for the entire flight.
Icelandair
7.0
Good
670 reviews
Icelandair
7.0
Good
670 reviews
Check prices

Crew

8.0

Food

6.2

Boarding

7.2

Entertainment

6.9

Comfort

6.9

Overall

7.0

Reviews

1 / 20
4.0
Okay

Daniel,May 2026

LHR - KEF

We had to change flights in Reykjavik and the outgoing flight was send to gate D23, where there were NO SEATS in the lounge. And in general, there were not enough seats for transferring passengers in general. After the three hour flight from London and then expecting a 7 hour flight to Seattle, having to stand & mill around for over an hour was rather unpleasant. We had booked Business Class and were assigned seats in the bulkhead seats, row 1. This made a MOST unpleasant 7 hour flight from Reykjavik to Seattle. The flight attendants had stored some of their carry-ons in the overhead bin just above us so it left us little room to place our carry-ons that was convenient. The seats in Business Class are too deep for shorter people and without ANY form of leg rest/support, we struggled to be comfortable for the entire 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 SWISS, Virgin Atlantic, and Delta fly from London Gatwick Airport to State of Washington in about 14h 55m. The time it takes to get you to your destination can typically vary by up to 4h 23m. 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 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£396Average£555FlexibilityNo cancel feeOn-time76%
Search Icelandair flights

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