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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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LGW
13 Sep — 20 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 14 August 2026.

Wed 9/905:50 -
3 stops29h 25m
Tue 15/919:55 -
3 stops30h 37m
Deal found 9/8£483
Sun 27/915:40 -
2 stops19h 35m
Tue 6/1011:00 -
2 stops17h 40m
Deal found 8/8£486
Sat 7/1108:40 -
3 stops29h 20m
Tue 10/1119:30 -
2 stops24h 30m
Deal found 9/8£488
Wed 9/908:00 -
2 stops27h 15m
Wed 16/919:55 -
3 stops33h 09m
Deal found 9/8£492
Tue 22/915:55 -
1 stop15h 00m
Fri 2/1007:05 -
1 stop14h 40m
Deal found 11/8£508
Wed 18/1107:00 -
2 stops18h 00m
Wed 25/1110:00 -
2 stops20h 41m
Deal found 12/8£658
Wed 11/1110:47 -
2 stops23h 03m
Tue 17/1108:35 -
2 stops21h 52m
Deal found 13/8£668
Mon 5/1015:30 -
1 stop15h 10m
Mon 19/1015:40 -
1 stop34h 15m
Deal found 12/8£669
Wed 14/1015:30 -
1 stop15h 10m
Tue 3/1110:10 -
1 stop18h 23m
Deal found 12/8£671
Thu 5/1114:45 -
1 stop12h 10m
Thu 12/1107:15 -
3 stops34h 11m
Deal found 9/8£672
Fri 11/921:30 -
1 stop24h 50m
Fri 18/914:00 -
2 stops29h 36m
Deal found 14/8£674
Sat 5/921:30 -
1 stop24h 50m
Fri 11/914:00 -
2 stops29h 36m
Deal found 13/8£675

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 14 August 2026.

Round-trip from

£483

One-way from

£195

Popular in

June

Cheapest in

January

Average price

£627
9/9-15/9
  • 9/9-15/9
  • 6 total stops
  • 60h 02m 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 (£119 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 14 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

£658

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sun 8/11

16:15-14:50

1 stop14h 35m

London Gatwick

Thu 19/11

10:25-15:55

1 stop13h 30m

£660

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 23/9

18:45-16:00

1 stop13h 15m

London Gatwick

Thu 15/10

10:25-17:47

1 stop15h 22m

£676

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Wed 16/9

15:59-16:00

2 stops16h 01m

London Gatwick

Tue 29/9

10:35-21:15

2 stops18h 40m

£703

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 9/9

09:57-18:45

2 stops24h 48m

London Gatwick

Tue 15/9

10:20-15:40

1 stop13h 20m

£712

SpokaneLondon

GEG Spokane - LGW London Gatwick

GEGLGW

Spokane

Fri 23/10

15:30-16:00

2 stops16h 30m

London Gatwick

Fri 30/10

10:00-21:10

2 stops18h 10m

£717

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

£717

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Sat 12/9

21:30-06:20

1 stop24h 50m

London Gatwick

Fri 18/9

13:05-12:59

1 stop31h 54m

£721

PortlandLondon

PDX Portland - LGW London Gatwick

PDXLGW

Portland

Sat 26/9

10:48-06:20

1 stop35h 32m

London Gatwick

Sat 3/10

13:05-13:07

1 stop32h 02m

£724

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 13/11

19:05-22:35

1 stop19h 30m

London Gatwick

Sat 28/11

17:25-17:10

1 stop31h 45m

£732

Flights are sorted by cheapest return flights first.

Deals found on 8/8

Showing 1-10 of 57 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 13h 15m. 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
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
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, 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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