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Gatwick

$319+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This CrystalTravel deal was found by Cheapflights users on 12/17. 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.
Thu 12/252:35 pmSEA - LGW
1 stop12h 20mIcelandair
Fri 1/2311:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 12/17$720
This Mytrip deal was found by Cheapflights users on 12/17. 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 12/252:35 pmSEA - LGW
2 stops21h 10mMultiple Airlines
Fri 1/237:00 amLGW - SEA
3 stops34h 31mMultiple Airlines
Deal found 12/17$943
This Cheapflightsfares deal was found by Cheapflights users on 12/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:35 pmSEA - LGW
1 stop12h 20mIcelandair
Wed 1/2811:55 amLGW - SEA
1 stop13h 05mIcelandair
Deal found 12/18$959
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Thu 12/251:35 pmSEA - LGW
2 stops20h 15mSWISS
Fri 1/236:40 pmLGW - SEA
2 stops34h 32mSWISS
Deal found 12/18$1,002
This oojo deal was found by Cheapflights users on 12/17. 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.
Mon 12/297:00 pmSEA - LGW
1 stop37h 10mTurkish Airlines
Sun 2/155:05 pmLGW - SEA
1 stop32h 00mTurkish Airlines
Deal found 12/17$1,101
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:00 pmSEA - LGW
2 stops21h 45mMultiple Airlines
Sun 2/1511:40 amLGW - SEA
1 stop15h 38mMultiple Airlines
Deal found 12/17$1,106
This FlightHub deal was found by Cheapflights users on 12/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 pmSEA - LGW
1 stop19h 35mTurkish Airlines
Wed 1/710:15 amLGW - SEA
1 stop38h 50mTurkish Airlines
Deal found 12/16$1,120
This Icelandair deal was found by Cheapflights users on 12/18. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:26 amPDX - LGW
2 stops17h 29mMultiple Airlines
Sun 1/1811:55 amLGW - PDX
2 stops18h 20mMultiple Airlines
Deal found 12/18$1,150
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Thu 12/2511:02 amPDX - LGW
2 stops22h 48mSWISS
Wed 1/76:40 pmLGW - PDX
2 stops35h 52mSWISS
Deal found 12/18$1,256
This Norse deal was found by Cheapflights users on 12/16. 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 Norse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:10 amPDX - LGW
1 stop14h 50mMultiple Airlines
Thu 1/292:00 pmLGW - PDX
1 stop37h 50mMultiple Airlines
Deal found 12/16$1,311
This KAYAK deal was found by Cheapflights users on 12/18. 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.
Thu 12/2511:02 amPDX - LGW
2 stops22h 48mSWISS
Thu 1/86:40 pmLGW - PDX
2 stops35h 52mSWISS
Deal found 12/18$1,329
This oojo deal was found by Cheapflights users on 12/15. 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 12/182:45 pmPDX - LGW
1 stop12h 10mIcelandair
Sat 2/711:55 amLGW - PDX
2 stops16h 52mIcelandair
Deal found 12/15$1,535

Find flight deals from Washington to Gatwick

Keep the following information in mind while searching for Washington to Gatwick flight deals. Data was last updated December 18, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$577
(Cheapflightsfares)

One-way from

$319
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$986
Provider with most accurate pricing for Seattle/Tacoma Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-London (LON) flights.
Search Deals
From Washington to London Gatwick
Search Deals
One-way flight from Washington to London Gatwick
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($139 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 3/14

3:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Tue 3/24

11:55 am-6:00 pm

1 stop13h 05m

$578

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Thu 4/16

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Sat 4/25

3:40 pm-8:40 pm

1 stop13h 00m

$594

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 4/13

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Mon 4/20

3:40 pm-8:40 pm

1 stop13h 00m

$594

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Thu 4/9

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Fri 4/24

3:40 pm-8:40 pm

1 stop13h 00m

$594

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 4/14

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Thu 4/23

3:40 pm-8:40 pm

1 stop13h 00m

$594

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 4/11

7:00 pm-2:40 pm

1 stop11h 40m

London Gatwick

Mon 4/20

3:40 pm-8:40 pm

1 stop13h 00m

$594

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 3/4

5:51 am-7:30 am

2 stops17h 39m

London Gatwick

Mon 3/9

12:30 pm-11:45 am

2 stops30h 15m

$620

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/20

10:53 am-5:50 pm

2 stops46h 57m

London Gatwick

Thu 4/30

9:25 am-10:08 pm

2 stops20h 43m

$655

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 1/12

2:35 pm-10:55 am

1 stop12h 20m

London Gatwick

Mon 1/19

11:55 am-5:00 pm

1 stop13h 05m

$685

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 4/20

10:53 am-8:20 am

2 stops61h 27m

London Gatwick

Sat 5/2

6:35 pm-10:08 pm

2 stops35h 33m

$705

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 51 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, May is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of $494). 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 December 18, 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 $578. The distance between State of Washington and London Gatwick Airport is about 4807 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    While some choose either Portland - London Gatwick or Spokane - London Gatwick, Seattle/Tacoma Intl - London Gatwick is the most popular route 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, May is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of $494). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley
Folkestone
Eastbourne

Browse thousands of different options on Cheapflights for your next trip

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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.
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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$503Average$685FlexibilityNo cancel feeOn-time76%

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