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Cheap flights from Washington to London Gatwick Airport from £209

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 28/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
8 Aug — 15 Aug1
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 9 July 2026.

Wed 23/915:40
SEA
-
LGW
2 stops18h 10m
Multiple Airlines
Mon 28/920:50
LGW
-
SEA
3 stops31h 50m
Multiple Airlines
Deal found 9/7£505
Fri 9/1019:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Thu 29/1011:55
LGW
-
SEA
1 stop13h 05m
Icelandair
Deal found 8/7£507
Tue 1/919:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Thu 1/1015:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 8/7£509
Wed 26/823:25
SEA
-
LGW
1 stop31h 15m
Icelandair
Thu 10/915:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 8/7£509
Tue 25/815:40
SEA
-
LGW
1 stop15h 00m
Icelandair
Tue 8/913:00
LGW
-
SEA
1 stop15h 40m
Icelandair
Deal found 9/7£512
Tue 25/823:25
SEA
-
LGW
1 stop28h 20m
Icelandair
Sat 12/915:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 7/7£514
Wed 2/919:00
SEA
-
LGW
2 stops16h 15m
Multiple Airlines
Sun 6/910:15
LGW
-
SEA
2 stops33h 30m
Multiple Airlines
Deal found 8/7£516
Tue 25/819:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Thu 3/913:00
LGW
-
SEA
1 stop12h 55m
Icelandair
Deal found 8/7£517
Tue 1/919:00
SEA
-
LGW
1 stop11h 40m
Icelandair
Sat 5/915:40
LGW
-
SEA
1 stop13h 00m
Icelandair
Deal found 8/7£518
Tue 1/923:25
SEA
-
LGW
1 stop31h 15m
Multiple Airlines
Sat 12/906:00
LGW
-
SEA
3 stops23h 04m
Multiple Airlines
Deal found 4/7£518
Sat 17/1018:00
SEA
-
LGW
1 stop16h 45m
Condor
Thu 22/1010:20
LGW
-
SEA
1 stop13h 40m
Condor
Deal found 7/7£519
Tue 10/1114:45
PDX
-
LGW
2 stops17h 35m
Multiple Airlines
Wed 18/1110:00
LGW
-
PDX
1 stop15h 00m
Multiple Airlines
Deal found 9/7£661

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 9 July 2026.

Round-trip from

£505

One-way from

£209

Popular in

June

Cheapest in

January

Average price

£750
23/9-28/9
  • 23/9-28/9
  • 5 total stops
  • 50h 00m total
  • Washington to London
Search Deals
28/11
  • 28/11
  • 3 total stops
  • 35h 45m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£128 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 9 July 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

PortlandLondon

PDX - LGW

PDXLGW

Portland

Thu 27/8

15:30-14:40

1 stop15h 10m

London Gatwick

Tue 1/9

15:40-17:55

1 stop34h 15m

£664

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Sat 24/10

06:00-10:00

2 stops20h 00m

London Gatwick

Fri 6/11

10:00-15:21

1 stop13h 21m

£687

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 7/8

19:05-11:45

1 stop32h 40m

London Gatwick

Thu 20/8

15:40-17:55

1 stop34h 15m

£687

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Sat 3/10

06:45-09:20

2 stops18h 35m

London Gatwick

Tue 27/10

10:00-23:59

2 stops20h 59m

£700

SeattleLondon

SEA - LGW

SEALGW

Seattle/Tacoma Intl

Fri 4/9

19:00-14:40

1 stop11h 40m

London Gatwick

Mon 7/9

15:40-17:55

1 stop34h 15m

£707

PortlandLondon

PDX - LGW

PDXLGW

Portland

Mon 30/11

06:15-09:00

2 stops18h 45m

London Gatwick

Mon 7/12

10:00-19:58

2 stops17h 58m

£708

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Sun 4/10

11:10-09:25

2 stops14h 15m

London Gatwick

Wed 14/10

10:25-21:10

2 stops18h 45m

£708

PortlandLondon

PDX - LGW

PDXLGW

Portland

Fri 18/9

21:30-06:20

1 stop24h 50m

London Gatwick

Sun 27/9

14:00-20:12

1 stop38h 12m

£726

PortlandLondon

PDX - LGW

PDXLGW

Portland

Tue 1/9

11:22-09:25

2 stops14h 03m

London Gatwick

Thu 10/9

10:25-22:31

2 stops20h 06m

£730

SpokaneLondon

GEG - LGW

GEGLGW

Spokane

Wed 5/8

11:09-09:25

2 stops14h 16m

London Gatwick

Wed 26/8

10:25-21:16

2 stops18h 51m

£732

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 60 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, September is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £216). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of £710). 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 15h 10m. The distance between State of Washington and London Gatwick Airport is about 4921 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, September is the cheapest month in which you can book a flight from State of Washington to London Gatwick Airport (average of £216). Flying from State of Washington to London Gatwick Airport in June is currently the most expensive (average of £710). 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
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Croydon
Ilford
Hayes
Brentford
Colchester
Watford
Kingston upon Thames
Eastbourne
Southall
Aylesbury
Romford
Borehamwood
Southend-on-Sea
Uxbridge

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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Boston to Gatwick flights
Atlanta to Heathrow flights
Newark to London City flights
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Miami to Heathrow flights
Dulles Intl to Gatwick flights
Reagan-National to Heathrow flights
Boston to Stansted flights
Boston to London City flights
Hobby to Heathrow flights
LaGuardia to Stansted flights
Los Angeles to Gatwick flights
Denver to Heathrow flights
Philadelphia to Heathrow flights
Dulles Intl to London City flights
Baltimore to Gatwick flights
Los Angeles to Stansted flights
George Bush Intcntl to Heathrow flights
O'Hare Intl to Gatwick flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
O'Hare Intl to London City flights
Los Angeles to London City flights
San Francisco to Stansted flights
San Francisco to London City flights
Boston to Luton flights
Charlotte to Heathrow flights
Minneapolis to Heathrow flights
Dallas/Fort Worth to Gatwick flights

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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