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 16h. 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.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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.

What is the cheapest time of day to fly from WA to LGW?

When flying from State of Washington to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£254+ Cheap Flights from Washington to London Gatwick Airport

Cheap flight deals from Washington to Gatwick

Enter your travel dates to find the best prices.

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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 6 October 2026.

Mon 16/1117:50 -

1 stop17h 35m

Mon 23/1110:25 -

1 stop13h 30m

Deal found 2/10£567

Tue 3/1108:40 -

3 stops24h 10m

Sat 7/1118:40 -

3 stops34h 19m

Deal found 3/10£570

Tue 20/1018:05 -

1 stop16h 45m

Thu 3/1210:25 -

1 stop13h 30m

Deal found 1/10£570

Mon 2/1114:35 -

2 stops18h 20m

Mon 9/1121:00 -

3 stops28h 00m

Deal found 3/10£571

Thu 12/1117:50 -

1 stop13h 10m

Mon 16/1110:25 -

1 stop13h 30m

Deal found 2/10£572

Sun 11/1017:40 -

1 stop17h 10m

Tue 3/1110:25 -

1 stop13h 30m

Deal found 2/10£573

Sun 6/1215:00 -

1 stop20h 25m

Mon 14/1210:25 -

1 stop13h 30m

Deal found 6/10£573

Mon 16/1117:50 -

2 stops22h 05m

Sun 22/1117:25 -

2 stops30h 30m

Deal found 6/10£574

Mon 9/1119:48 -

2 stops35h 22m

Mon 16/1116:10 -

2 stops34h 23m

Deal found 3/10£575

Mon 26/1007:45 -

2 stops28h 40m

Tue 3/1120:15 -

2 stops32h 44m

Deal found 6/10£576

Find flight deals from Washington to Gatwick

Round-trip from	£567
One-way from	£254
Popular in	June
Cheapest in	January
Average price	£623

Condor
16/11-23/11
2 total stops
31h 05m total
Washington to London

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Icelandair
16/10-31/12
1 total stop
11h 40m total
Washington to London

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Highest demand for flights based on searches. 17% potential increase in price (£103 potential increase over avg. return price).

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Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington to London Gatwick Airport that are best for you.

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SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 10/11

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£286

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 14/11

14:30-17:50

2 stops43h 20m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£300

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 5/11

15:35-17:50

2 stops18h 15m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£321

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Thu 5/11

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£324

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 6/11

15:25-15:45

1 stop16h 20m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£324

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 2/12

19:05-22:35

1 stop19h 30m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£461

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 9/12

19:05-16:30

1 stop37h 25m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£461

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 1/12

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£483

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 28/11

19:05-16:30

1 stop37h 25m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£492

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 5/12

19:05-09:10

1 stop30h 05m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£492

Flights are sorted by cheapest return flights first.

Deals found on 2/10

Showing 1-10 of 23 resultsSorted by cheapest first

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.

SEA-LGW

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.

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Everything you need to know about your flight from Washington to London Gatwick Airport

USWA-LGW

SEA-LGW

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

Related info for your journey

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 16h. 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.

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Cheap flights from Washington to London Gatwick Airport from £254

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Washington to Gatwick

Cheapest flights from Washington to GatwickExplore 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 6 October 2026.

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 6 October 2026.

Best flights from Washington to GatwickDiscover carefully curated flight deals from Washington to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Discover carefully curated flight deals from Washington to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Washington to GatwickDiscover last-minute flight deals from Washington to Gatwick. Data last updated 6 October 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Gatwick. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Washington to GatwickSearch for one-way flight options from Washington to Gatwick. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

Search for one-way flight options from Washington to Gatwick. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.

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Related info for your journey

How long is the flight from State of Washington to London Gatwick Airport?

What are the most popular routes from State of Washington to London Gatwick Airport?

Can I find deals for flights from Washington to Gatwick that include hotel bookings?

How can I find direct flights from Washington to Gatwick?

Can I find deals for business class flights from Washington to Gatwick?

Travelling to a place near London Gatwick Airport?

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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 6 October 2026.

Best flights from Washington to Gatwick
Discover carefully curated flight deals from Washington to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 October 2026.

Last-minute flights from Washington to Gatwick
Discover last-minute flight deals from Washington to Gatwick. Data last updated 6 October 2026 and is based on user searches.

One-way flights from Washington to Gatwick
Search for one-way flight options from Washington to Gatwick. Find affordable one-way fares based on user searches. Data last updated 6 October 2026.