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Cheap flights from Washington to London Gatwick Airport from £213

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
17 May — 24 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Washington to Gatwick

Enter your travel dates to find the best prices.

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 17 April 2026.

Thu 7/515:40
SEA
-
LGW
3 stops33h 00m
Multiple Airlines
Thu 14/520:45
LGW
-
SEA
3 stops31h 55m
Multiple Airlines
Deal found 12/4£494
Tue 28/419:00
SEA
-
LGW
2 stops19h 20m
Multiple Airlines
Tue 5/520:35
LGW
-
SEA
3 stops32h 33m
Multiple Airlines
Deal found 13/4£499
Sun 3/519:00
SEA
-
LGW
3 stops35h 25m
Multiple Airlines
Sun 10/521:45
LGW
-
SEA
3 stops28h 10m
Multiple Airlines
Deal found 13/4£500
Mon 20/418:10
SEA
-
LGW
1 stop16h 40m
Condor
Thu 7/510:20
LGW
-
SEA
1 stop13h 40m
Condor
Deal found 13/4£500
Tue 21/415:40
SEA
-
LGW
3 stops33h 00m
Multiple Airlines
Tue 28/406:25
LGW
-
SEA
2 stops19h 30m
Multiple Airlines
Deal found 13/4£505
Tue 5/515:40
SEA
-
LGW
2 stops19h 35m
Multiple Airlines
Sun 10/518:20
LGW
-
SEA
3 stops34h 20m
Multiple Airlines
Deal found 15/4£509
Thu 7/515:40
SEA
-
LGW
2 stops20h 40m
Multiple Airlines
Wed 20/520:50
LGW
-
SEA
3 stops32h 18m
Multiple Airlines
Deal found 13/4£510
Sun 10/519:00
SEA
-
LGW
3 stops29h 40m
Multiple Airlines
Tue 26/521:35
LGW
-
SEA
3 stops44h 30m
Multiple Airlines
Deal found 12/4£513
Sat 18/419:00
SEA
-
LGW
2 stops16h 05m
Multiple Airlines
Sat 25/409:20
LGW
-
SEA
2 stops16h 35m
Multiple Airlines
Deal found 11/4£518
Sun 3/519:00
SEA
-
LGW
3 stops35h 25m
Multiple Airlines
Tue 19/509:40
LGW
-
SEA
2 stops17h 05m
Multiple Airlines
Deal found 14/4£520
Mon 21/915:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Tue 13/1015:40
LGW
-
PDX
1 stop34h 15m
Icelandair
Deal found 12/4£563
Thu 24/915:30
PDX
-
LGW
1 stop15h 10m
Icelandair
Sat 3/1015:40
LGW
-
PDX
1 stop34h 15m
Icelandair
Deal found 13/4£565

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 17 April 2026.

Round-trip from

£494

One-way from

£213

Popular in

June

Cheapest in

January

Average price

£523
7/5-14/5
  • 7/5-14/5
  • 6 total stops
  • 64h 55m total
  • Washington to London
Search Deals
9/5
  • 9/5
  • 2 total stops
  • 32h 35m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£88 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 17 April 2026.
Use the filters below to find and compare flights from Washington to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 12/8

07:55-09:25

2 stops17h 30m

London Gatwick

Tue 15/9

10:35-21:04

2 stops18h 29m

£703

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 5/5

08:38-22:25

2 stops29h 47m

London Gatwick

Wed 20/5

17:35-17:15

1 stop31h 40m

£708

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 1/9

07:20-09:25

2 stops18h 05m

London Gatwick

Tue 15/9

10:35-17:43

1 stop15h 08m

£715

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 18/9

21:30-06:20

1 stop24h 50m

London Gatwick

Tue 20/10

13:05-13:06

1 stop32h 01m

£725

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Tue 1/9

07:00-08:25

2 stops17h 25m

London Gatwick

Tue 15/9

09:25-18:32

2 stops17h 07m

£735

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 11/5

19:45-09:50

3 stops30h 05m

London Gatwick

Mon 25/5

21:30-09:30

3 stops44h 00m

£750

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Mon 20/7

07:29-09:40

2 stops18h 11m

London Gatwick

Wed 12/8

10:25-22:25

2 stops20h 00m

£760

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sun 26/4

20:07-18:50

2 stops38h 43m

London Gatwick

Fri 1/5

10:20-16:00

1 stop13h 40m

£762

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Fri 14/8

15:05-16:00

2 stops16h 55m

London Gatwick

Sat 29/8

10:25-21:04

2 stops18h 39m

£776

PortlandLondon

PDX - LGW

PDXLGW

Portland

Sun 6/9

07:00-08:25

2 stops17h 25m

London Gatwick

Thu 17/9

09:25-19:06

2 stops17h 41m

£781

Flights are sorted by cheapest return flights first.

Deals found on 16/4

Showing 1-10 of 58 resultsSorted by cheapest first
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6

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 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 Washington to London Gatwick Airport

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

Currently, February is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £363). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of £596). 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.

How much does it cost for a return flight from State of Washington to London Gatwick Airport?

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?

    Departing from State of Washington to London Gatwick Airport will take you 17h 25m. The distance between State of Washington and London Gatwick Airport 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 State of Washington to London Gatwick Airport?

    Most travelers choose Seattle/Tacoma Intl - London Gatwick, Portland - London Gatwick or Spokane - London Gatwick when deciding on the best 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 holiday 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, February is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £363). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of £596). 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Wembley
Croydon
Hounslow
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Romford
Eastbourne
Chelmsford
Ipswich
Southend-on-Sea
Guildford
Bishop's Stortford

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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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Fly with Cheapflights

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How does Cheapflights help users find flights from Washington to Gatwick?

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Why should you use Cheapflights to find cheap flight tickets from Washington to Gatwick?

Cheapflights helps you find that perfect flight to Gatwick from Washington by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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Yes, we can. To see specific flights from Washington to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Washington to Gatwick become cheaper?

Yes, Cheapflights offers price alerts on Washington to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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