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Cheap flights from Washington to London Gatwick Airport from £195

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
6 Sep — 13 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 7 August 2026.

Sun 16/819:00 -
3 stops29h 40m
Wed 26/811:00 -
2 stops32h 45m
Deal found 2/8£472
Wed 30/915:40 -
2 stops19h 35m
Wed 7/1020:45 -
3 stops29h 10m
Deal found 3/8£478
Wed 21/1008:00 -
3 stops27h 05m
Wed 28/1017:40 -
2 stops26h 20m
Deal found 3/8£480
Tue 6/1015:55 -
1 stop18h 30m
Fri 9/1018:25 -
2 stops27h 20m
Deal found 5/8£481
Tue 22/914:10 -
2 stops22h 00m
Tue 6/1020:50 -
2 stops28h 09m
Deal found 5/8£482
Mon 7/908:00 -
3 stops27h 15m
Mon 21/919:55 -
3 stops26h 27m
Deal found 2/8£487
Thu 17/908:00 -
3 stops27h 15m
Thu 24/911:00 -
3 stops35h 22m
Deal found 3/8£488
Mon 14/908:00 -
3 stops28h 10m
Tue 22/920:50 -
2 stops28h 09m
Deal found 4/8£490
Wed 7/1015:30 -
1 stop15h 10m
Sun 11/1014:00 -
2 stops38h 39m
Deal found 2/8£650
Mon 30/1114:45 -
2 stops20h 55m
Wed 9/1206:35 -
2 stops18h 25m
Deal found 2/8£651
Mon 21/915:30 -
3 stops33h 40m
Mon 28/915:35 -
3 stops34h 20m
Deal found 3/8£657
Wed 18/1107:00 -
2 stops18h 00m
Wed 25/1110:00 -
2 stops19h 08m
Deal found 4/8£659

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 7 August 2026.

Round-trip from

£478

One-way from

£195

Popular in

June

Cheapest in

January

Average price

£615
30/9-7/10
  • 30/9-7/10
  • 5 total stops
  • 48h 45m total
  • Washington to London
Search Deals
21/10
  • 21/10
  • 2 total stops
  • 32h 25m total
  • Washington to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£122 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 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 7 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

10:00-19:03

2 stops17h 03m

£680

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 5/11

16:05-15:45

1 stop15h 40m

London Gatwick

Tue 24/11

16:45-15:14

1 stop30h 29m

£688

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 1/12

19:05-16:30

1 stop37h 25m

London Gatwick

Sat 5/12

10:05-17:10

1 stop39h 05m

£703

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Sun 8/11

13:00-15:45

2 stops18h 45m

London Gatwick

Mon 14/12

10:00-18:53

2 stops16h 53m

£704

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

£716

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

£718

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Sun 27/9

15:59-16:00

2 stops16h 01m

London Gatwick

Sun 11/10

10:25-21:10

2 stops18h 45m

£718

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 15/9

07:00-09:25

2 stops18h 25m

London Gatwick

Wed 23/9

10:25-21:47

2 stops19h 22m

£726

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Tue 6/10

07:02-08:25

2 stops17h 23m

London Gatwick

Tue 11/5

09:25-22:18

2 stops20h 53m

£728

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Sun 17/1

13:39-17:50

2 stops20h 11m

London Gatwick

Sun 24/1

18:40-23:12

2 stops36h 32m

£738

Flights are sorted by cheapest return flights first.

Deals found on 4/8

Showing 1-10 of 57 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

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 15h 40m. 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.

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
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

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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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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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