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.

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.

£252+ 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 14 October 2026.

Wed 25/1114:50 -

2 stops20h 35m

Wed 2/1220:15 -

2 stops26h 22m

Deal found 11/10£569

Thu 12/1107:45 -

2 stops17h 50m

Wed 18/1120:15 -

1 stop23h 45m

Deal found 12/10£570

Thu 12/1117:50 -

1 stop13h 10m

Mon 16/1110:25 -

1 stop13h 30m

Deal found 11/10£571

Tue 17/1114:35 -

2 stops18h 20m

Tue 24/1119:30 -

3 stops29h 30m

Deal found 12/10£572

Sun 15/1114:35 -

3 stops34h 35m

Tue 1/1217:00 -

3 stops32h 00m

Deal found 12/10£575

Thu 10/1214:35 -

2 stops23h 10m

Mon 14/1207:00 -

2 stops18h 00m

Deal found 13/10£581

Tue 20/1018:05 -

1 stop16h 45m

Tue 27/1010:25 -

1 stop13h 30m

Deal found 12/10£583

Mon 23/1114:35 -

2 stops20h 25m

Tue 8/1208:50 -

2 stops16h 10m

Deal found 14/10£584

Find flight deals from Washington to Gatwick

Round-trip from	£569
One-way from	£252
Popular in	June
Cheapest in	January
Average price	£648

25/11-2/12
4 total stops
46h 57m total
Washington to London

Search Deals

Delta
6/4-31/12
2 total stops
18h 00m total
Washington to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£100 potential increase over avg. return price).

Search Deals

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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Depart

Return

Price

Cheapest return flight

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 9/11

15:25-15:45

1 stop16h 20m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£286

Fastest return journey

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 27/2

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

Thu 4/3

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

Fri 26/2

15:30-15:45

1 stop16h 15m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£286

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Mon 1/3

12:46-17:50

3 stops45h 04m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£315

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Sat 14/11

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£323

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 30/12

19:05-22:35

1 stop19h 30m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£438

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Tue 5/1

16:05-15:45

1 stop15h 40m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£482

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Fri 4/12

11:55-16:25

2 stops20h 30m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£499

SeattleLondon

SEA Seattle/Tacoma Intl - LGW London Gatwick

SEALGW

Seattle/Tacoma Intl

Wed 28/10

11:50-16:25

2 stops21h 35m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£499

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 22 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.

Cheapflights Insights

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

USWA-LGW

SEA-LGW

How much does it cost for a return flight from State of Washington to London Gatwick Airport?

Airfare is below average for this route at the moment.

State of Washington to London Gatwick Airport flights typically cost between £580 and £683 in November.
The cheapest return price found within the last 5 days was £569 on Multiple Airlines (25 Nov–2 Dec).

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 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.

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Cheap flights from Washington to London Gatwick Airport from £252

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/4. 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 14 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 14 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 14 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 14 October 2026.

Last-minute flights from Washington to GatwickDiscover last-minute flight deals from Washington to Gatwick. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from Washington to Gatwick. Data last updated 14 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 14 October 2026.

Search for one-way flight options from Washington to Gatwick. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

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Cheapflights Insights

How much does it cost for a return flight from State of Washington to London Gatwick Airport?

Airfare is below average for this route at the moment.

State of Washington to London Gatwick Airport flights typically cost between £580 and £683 in November.The cheapest return price found within the last 5 days was £569 on Multiple Airlines (25 Nov–2 Dec).

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 14 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 14 October 2026.

Last-minute flights from Washington to Gatwick
Discover last-minute flight deals from Washington to Gatwick. Data last updated 14 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 14 October 2026.

State of Washington to London Gatwick Airport flights typically cost between £580 and £683 in November.
The cheapest return price found within the last 5 days was £569 on Multiple Airlines (25 Nov–2 Dec).