Gatwick

$306+ Cheap flights from Washington to Gatwick (LGW)

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
Dec 2 — Dec 91
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Find flight deals from Washington to Gatwick

Cheapest flights from Washington to Gatwick
Explore the most affordable flight options available from Washington to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This KAYAK deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:35 pmSEA - LGW
1 stop12h 20mIcelandair
Mon 11/2411:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 10/31$539
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/18:05 pmSEA - LGW
1 stop15h 20mMultiple Airlines
Mon 12/89:00 amLGW - SEA
1 stop17h 20mMultiple Airlines
Deal found 11/2$548
This Mytrip deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:50 amSEA - LGW
3 stops21h 00mMultiple Airlines
Mon 12/89:30 pmLGW - SEA
2 stops22h 40mMultiple Airlines
Deal found 10/31$550
This oojo deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/92:35 pmSEA - LGW
1 stop12h 20mIcelandair
Fri 11/1411:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 11/2$551
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/238:10 amSEA - LGW
2 stops23h 25mMultiple Airlines
Tue 12/29:40 pmLGW - SEA
3 stops29h 36mMultiple Airlines
Deal found 11/1$552
This Mytrip deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:50 amSEA - LGW
3 stops21h 00mMultiple Airlines
Wed 12/109:40 pmLGW - SEA
2 stops22h 30mMultiple Airlines
Deal found 11/2$556
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:35 pmSEA - LGW
2 stops21h 10mMultiple Airlines
Tue 11/188:50 amLGW - SEA
2 stops16h 10mMultiple Airlines
Deal found 10/30$574
This CrystalTravel deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:35 pmSEA - LGW
1 stop12h 20mIcelandair
Wed 12/2411:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 10/31$578
This oojo deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:35 pmSEA - LGW
1 stop12h 20mIcelandair
Thu 11/2711:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 11/2$581
This oojo deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:35 pmSEA - LGW
1 stop12h 20mIcelandair
Fri 12/1211:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 11/1$583
This Mytrip deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:45 pmPDX - LGW
2 stops21h 00mMultiple Airlines
Wed 12/108:50 amLGW - PDX
2 stops16h 10mMultiple Airlines
Deal found 11/1$586
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:45 pmPDX - LGW
2 stops23h 50mMultiple Airlines
Tue 12/94:25 pmLGW - PDX
3 stops32h 35mMultiple Airlines
Deal found 10/30$599

Cheap flight deals from Washington to Gatwick

Keep the following information in mind while searching for Washington to Gatwick flight deals. Data was last updated November 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$538
(Icelandair)

One-way from

$306
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$691
Provider with most accurate pricing for Seattle/Tacoma Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London (LON) flights.
From Washington to London Gatwick
One-way flight from Washington to London Gatwick
Highest demand for flights based on searches. 15% potential increase in price ($138 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in November 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Gatwick 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 2,558,603 searches. Data last updated November 2, 2025.
Use the filters below to find and compare flights from Washington to London Gatwick Airport that are best for you.

Fly from

Washington

Fly to

Gatwick

Route

Depart

Return

Price

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 1/10

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Tue 2/17

11:55 am-5:00 pm

1 stop13h 05m

$538

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 1/6

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Thu 2/19

11:55 am-5:00 pm

1 stop13h 05m

$578

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 1/10

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Wed 2/18

11:55 am-5:00 pm

1 stop13h 05m

$593

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 12/1

2:45 pm-10:35 pm

2 stops23h 50m

London Gatwick

Tue 12/9

4:25 pm-5:00 pm

3 stops32h 35m

$599

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 1/14

7:00 am-6:00 am

1 stop15h 00m

London Gatwick

Tue 1/27

1:00 pm-2:57 pm

1 stop33h 57m

$666

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Wed 12/3

7:55 am-10:55 am

2 stops19h 00m

London Gatwick

Tue 1/20

11:55 am-5:00 pm

1 stop13h 05m

$771

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 12/2

11:05 pm-6:00 am

1 stop22h 55m

London Gatwick

Wed 12/10

1:00 pm-10:26 pm

1 stop17h 26m

$782

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 12/1

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Wed 12/10

11:55 am-8:38 pm

2 stops16h 43m

$800

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 11/10

10:30 am-10:55 am

2 stops16h 25m

London Gatwick

Sun 11/23

11:55 am-5:00 pm

1 stop13h 05m

$805

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Tue 2/17

12:00 pm-10:55 am

2 stops14h 55m

London Gatwick

Wed 3/4

11:55 am-7:44 pm

2 stops15h 49m

$806

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 50 results
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Best time to book a flight from Washington to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Washington with our price prediction graph.
Estimated round-trip 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 Washington to London Gatwick Airport

What is the cheapest month to book a flight from State of Washington to London Gatwick Airport?

Currently, April is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of $485). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WA to LGW?

Find hourly flight availability from Washington to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 40% on flights from State of Washington to London Gatwick Airport by exploring options for tickets in the afternoon.

Related info for your journey

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

    A quick flight from State of Washington to London Gatwick Airport can take about 12h 20m. Icelandair provides one of the quickest options available for as low as $538. The distance between State of Washington and London Gatwick Airport is about 4807 mi.

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

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

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

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

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

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

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

  • What is the cheapest month to book a flight from State of Washington to London Gatwick Airport?

    Currently, April is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of $485). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of $802). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for Washington to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington to Gatwick

Discover the top airline that operate flights from Washington to Gatwick. 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 2,558,603 searches. Data last updated November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$503Average$660FlexibilityNo cancel feeOn-time76%

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