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Cheap flights from London Gatwick Airport to Washington from £333

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — SEA
14 Jun — 21 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 15 May 2026.

Wed 3/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Wed 10/623:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Deal found 12/5£523
Sun 31/515:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Thu 4/615:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 13/5£524
Thu 11/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Thu 9/715:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Deal found 14/5£526
Thu 4/613:00
LGW
-
SEA
1 stop12h 55m
Icelandair
Thu 11/623:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Deal found 11/5£527
Thu 28/515:40
LGW
-
SEA
1 stop28h 05m
Icelandair
Sat 6/623:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Deal found 14/5£528
Tue 9/613:00
LGW
-
SEA
1 stop12h 55m
Icelandair
Wed 15/715:40
SEA
-
LGW
1 stop12h 05m
Icelandair
Deal found 12/5£529
Thu 11/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Tue 16/623:25
SEA
-
LGW
1 stop28h 20m
Icelandair
Deal found 11/5£530
Fri 19/615:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Thu 1/1019:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Deal found 13/5£532
Wed 17/610:20
LGW
-
PDX
1 stop35h 15m
Condor
Thu 2/715:35
PDX
-
LGW
1 stop19h 15m
Condor
Deal found 10/5£676
Fri 26/612:20
LGW
-
PDX
1 stop18h 14m
JetBlue
Sat 11/723:27
PDX
-
LGW
1 stop26h 08m
JetBlue
Deal found 13/5£677
Fri 28/812:20
LGW
-
PDX
1 stop18h 12m
JetBlue
Sat 5/923:27
PDX
-
LGW
1 stop26h 08m
JetBlue
Deal found 12/5£680
Thu 18/612:20
LGW
-
PDX
1 stop18h 14m
JetBlue
Thu 9/714:20
PDX
-
LGW
1 stop35h 15m
JetBlue
Deal found 11/5£682

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 15 May 2026.

Round-trip from

£523

One-way from

£333

Popular in

July

Cheapest in

February

Average price

£550
Icelandair
  • Icelandair
  • 3/6-10/6
  • 2 total stops
  • 44h 15m total
  • London to Washington
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 36h 05m total
  • London to Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£50 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 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 15 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

Sun 13/9

10:20-15:40

1 stop13h 20m

Seattle/Tacoma Intl

Fri 9/10

18:00-14:40

1 stop12h 40m

£635

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sun 13/9

10:20-15:40

1 stop13h 20m

Seattle/Tacoma Intl

Mon 12/10

18:10-18:50

1 stop16h 40m

£635

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 24/8

10:25-17:34

1 stop15h 09m

Seattle/Tacoma Intl

Tue 1/9

13:30-09:25

1 stop11h 55m

£677

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Wed 15/7

17:00-11:15

1 stop26h 15m

Seattle/Tacoma Intl

Sun 19/7

13:30-16:00

1 stop18h 30m

£689

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 4/9

09:25-22:45

2 stops21h 20m

Seattle/Tacoma Intl

Mon 14/9

07:00-08:25

2 stops17h 25m

£699

LondonPortland

LGW - PDX

LGWPDX

London Gatwick

Wed 2/9

09:25-23:22

2 stops21h 57m

Portland

Wed 9/9

07:00-08:25

2 stops17h 25m

£699
Fastest return journey

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Sat 12/9

15:40-20:40

1 stop13h 00m

Seattle/Tacoma Intl

Sat 10/10

19:00-14:40

1 stop11h 40m

£714

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 4/9

09:25-22:45

2 stops21h 20m

Seattle/Tacoma Intl

Sat 12/9

07:00-08:20

2 stops17h 20m

£714

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Mon 14/9

10:20-16:10

1 stop13h 50m

Seattle/Tacoma Intl

Mon 21/9

09:56-14:40

2 stops20h 44m

£717

LondonSeattle

LGW - SEA

LGWSEA

London Gatwick

Fri 11/9

09:25-23:24

2 stops21h 59m

Seattle/Tacoma Intl

Sat 26/9

07:00-08:20

2 stops17h 20m

£730

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
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 15 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
654 reviews
Check prices

Comfort

6.9

Boarding

7.2

Overall

7.0

Food

6.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.
Icelandair
7.0
Good
654 reviews
Icelandair
7.0
Good
654 reviews
Check prices

Comfort

6.9

Boarding

7.2

Overall

7.0

Food

6.2

Entertainment

6.9

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Ásmundur,Apr 2026

CDG - KEF

The flight was uneventfull and ahead of schedule. The crew was attentive and the service good.

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 SWISS 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 12h 55m. 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

Browse thousands of different options on Cheapflights for your next trip

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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 15 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£376Average£502FlexibilityNo 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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