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Cheap flights from Washington to London Gatwick Airport from £200

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
16 Sep — 23 Sep1
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 August 2026.

Sun 15/1114:35 -
2 stops17h 45m
Sun 22/1121:05 -
3 stops27h 55m
Deal found 14/8£479
Mon 28/915:40 -
2 stops19h 35m
Mon 5/1017:20 -
3 stops32h 35m
Deal found 16/8£493
Sun 6/1214:35 -
2 stops23h 10m
Sun 13/1217:30 -
2 stops31h 30m
Deal found 16/8£493
Tue 20/1018:05 -
1 stop16h 45m
Mon 9/1110:25 -
1 stop13h 30m
Deal found 15/8£501
Fri 11/1214:35 -
3 stops34h 00m
Wed 16/1207:00 -
2 stops18h 00m
Deal found 17/8£502
Sun 4/1015:55 -
1 stop20h 05m
Fri 9/1020:55 -
2 stops24h 50m
Deal found 14/8£505
Thu 10/908:00 -
2 stops27h 15m
Thu 17/911:00 -
2 stops32h 55m
Deal found 12/8£510
Sat 5/905:50 -
3 stops29h 45m
Tue 15/919:55 -
2 stops29h 04m
Deal found 17/8£511
Wed 18/1107:00 -
2 stops18h 00m
Wed 25/1110:00 -
2 stops20h 41m
Deal found 14/8£656
Mon 21/915:30 -
3 stops33h 55m
Wed 7/1008:50 -
2 stops17h 05m
Deal found 15/8£660
Thu 29/1015:45 -
1 stop12h 10m
Fri 6/1111:55 -
1 stop13h 05m
Deal found 15/8£662
Mon 9/1115:47 -
2 stops30h 13m
Tue 24/1110:10 -
1 stop18h 02m
Deal found 15/8£664

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 August 2026.

Round-trip from

£479

One-way from

£200

Popular in

June

Cheapest in

January

Average price

£640
15/11-22/11
  • 15/11-22/11
  • 5 total stops
  • 45h 40m total
  • Washington to London
Search Deals
5/10
  • 5/10
  • 3 total stops
  • 45h 45m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£116 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 August 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 Spokane - LGW London Gatwick

GEGLGW

Spokane

Wed 18/11

07:00-09:00

2 stops18h 00m

London Gatwick

Wed 25/11

10:00-22:41

2 stops20h 41m

£656

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Wed 2/12

21:35-06:50

1 stop25h 15m

London Gatwick

Tue 8/12

10:10-20:49

1 stop18h 39m

£669

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 13/1

15:25-15:45

1 stop16h 20m

London Gatwick

Sun 24/1

10:00-15:13

1 stop13h 13m

£682

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 9/12

15:25-15:45

1 stop16h 20m

London Gatwick

Wed 16/12

10:00-15:13

1 stop13h 13m

£694

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 16/11

12:30-15:45

2 stops19h 15m

London Gatwick

Mon 30/11

10:00-15:14

1 stop13h 14m

£709

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 15/9

07:02-08:25

2 stops17h 23m

London Gatwick

Tue 22/9

09:25-19:11

2 stops17h 46m

£713

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Fri 2/10

09:23-09:25

2 stops16h 02m

London Gatwick

Fri 23/10

10:25-21:10

2 stops18h 45m

£714

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Sun 25/10

07:00-09:00

2 stops19h 00m

London Gatwick

Mon 2/11

10:00-21:22

2 stops19h 22m

£714

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Fri 23/10

15:30-16:00

2 stops16h 30m

London Gatwick

Fri 30/10

10:00-23:59

2 stops20h 59m

£714

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Fri 16/10

11:18-09:25

2 stops14h 07m

London Gatwick

Fri 23/10

10:25-21:10

2 stops18h 45m

£714

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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 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

No data available for this route at this time. Please check back soon.

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 23m. 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.

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
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Southend-on-Sea
Barnet
Enfield
Kingston upon Thames
Southall
Watford
Dover
Romford

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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O'Hare Intl to Stansted flights
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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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