LGW - SEA

£387 Find Cheap Flights from London Gatwick Airport to Seattle – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£421
Typical prices: £399-£566
Virgin Atlantic
Thu 22/11Mon 3/12
LGW - SEA • 1 stop
Cheapest one-way flight
£387
Typical prices: £376-£529
Multiple Airlines
Fri 12/1
LGW - SEA • 3 stops
Direct flights
Not available
There are currently no direct flights between London Gatwick Airport and Seattle. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
23 weeks
in advance
Our data shows that travellers who book at least 23 weeks in advance save around 35% compared to booking last minute.
Insights
Insights
When to travel
February
Cheapest • 28% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
Zurich (ZRH)
Cheapest • Avg £451 (return)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 13h 34m (one-way)
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Insights
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Seattle!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Gatwick to Seattle (LGW-SEA)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Gatwick to Seattle

Thu, 3 Dec - Thu, 10 Dec
Iberia Logo
19:40 - 20:31LGW  London Gatwick-SEA Seattle/Tacoma Intl
32h 51m2 stops Madrid Barajas Chicago O'Hare Intl
Iberia Logo
10:51 - 19:00SEA  Seattle/Tacoma Intl-LGW London Gatwick
24h 09m2 stops Chicago O'Hare Intl Madrid Barajas
£433Iberia
Mon, 18 Jan - Sun, 24 Jan
Condor Logo
10:25 - 15:55LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 30m1 stop Frankfurt am Main
Condor Logo
15:00 - 19:25SEA  Seattle/Tacoma Intl-LGW London Gatwick
20h 25m1 stop Frankfurt am Main
£433Condor
Tue, 19 Jan - Sun, 24 Jan
American Airlines Logo
11:15 - 00:59LGW  London Gatwick-SEA Seattle/Tacoma Intl
21h 44m2 stops Orlando Miami
American Airlines Logo
23:55 - 07:30SEA  Seattle/Tacoma Intl-LGW London Gatwick
23h 35m2 stops Chicago O'Hare Intl Orlando
£436American Airlines
Mon, 18 Jan - Sun, 24 Jan
American Airlines Logo
11:15 - 11:45LGW  London Gatwick-SEA Seattle/Tacoma Intl
32h 30m2 stops Orlando Charlotte Douglas
American Airlines Logo
23:55 - 07:30SEA  Seattle/Tacoma Intl-LGW London Gatwick
23h 35m2 stops Chicago O'Hare Intl Orlando
£436American Airlines
Wed, 20 Jan - Sun, 24 Jan
American Airlines Logo
11:15 - 00:59LGW  London Gatwick-SEA Seattle/Tacoma Intl
21h 44m2 stops Orlando Miami
American Airlines Logo
23:55 - 07:30SEA  Seattle/Tacoma Intl-LGW London Gatwick
23h 35m2 stops Chicago O'Hare Intl Orlando
£436American Airlines
Sat, 26 Dec - Sun, 27 Dec
Icelandair Logo
11:55 - 17:00LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:35 - 10:55SEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
£437Icelandair
Thu, 24 Dec - Sun, 27 Dec
Icelandair Logo
11:55 - 17:00LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
Icelandair Logo
14:35 - 10:55SEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
£437Icelandair
Mon, 10 May - Wed, 26 May
Icelandair Logo
15:40 - 20:40LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
19:00 - 11:45SEA  Seattle/Tacoma Intl-LGW London Gatwick
32h 45m1 stop Reykjavik Keflavik Intl
£437Icelandair
Sat, 23 Jan - Sat, 13 Feb
American Airlines Logo
11:15 - 09:27LGW  London Gatwick-SEA Seattle/Tacoma Intl
30h 12m2 stops Orlando Chicago O'Hare Intl
American Airlines Logo
23:29 - 07:30SEA  Seattle/Tacoma Intl-LGW London Gatwick
24h 01m2 stops Chicago O'Hare Intl Orlando
£438American Airlines
Sun, 22 Nov - Thu, 3 Dec
Virgin Atlantic Logo
10:00 - 15:14LGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 14m1 stop Paris Charles de Gaulle
Virgin Atlantic Logo
06:00 - 09:00SEA  Seattle/Tacoma Intl-LGW London Gatwick
19h 00m2 stops Minneapolis St Paul Paris Charles de Gaulle
£441Virgin Atlantic
Booking Insights

Price, demand, and travel trends for London Gatwick Airport to Seattle flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from London Gatwick Airport to Seattle?

Return flights from London Gatwick Airport to Seattle typically range from £399 to £566. The lowest price found in the past 5 days was £421 on Virgin Atlantic.

What's the cheapest day of the week to fly from London Gatwick Airport to Seattle?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from London Gatwick Airport to Seattle. It's 9% cheaper than the average day, while Sunday is the most expensive, with prices 17% higher.

What is the cheapest month to fly from London Gatwick Airport to Seattle?

•February is the cheapest month to fly from London Gatwick Airport to Seattle at £354 return.
•July (£584) and August (£555) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 64% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from London Gatwick Airport to Seattle the cheapest?

Flights from London Gatwick Airport to Seattle are cheapest 23 weeks before departure. Booking in this window typically costs about 35% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for London Gatwick Airport to Seattle flights

Low season

November

Cheapest flight

£387
Beat the crowds with an average 66% drop in traveller numbers.
The most popular month to fly with an average 111% increase in traveller numbers.
One-way flight from London Gatwick Airport to Seattle

When to book flights from Gatwick to Seattle

Are your dates flexible? Find out the best times to travel from Gatwick to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your London Gatwick Airport to Seattle flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Which cabin classes can I book on flights from London Gatwick Airport to Seattle?

    Three cabin classes are available on flights from London Gatwick Airport to Seattle:

    • Economy class
    • Premium Economy Class
    • First Class

  • How long is a flight from London Gatwick Airport to Seattle?

    A direct flight from London Gatwick Airport to Seattle takes 00m, covering 4,807 miles.

  • Do I need a passport to fly from London Gatwick Airport to Seattle?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a London Gatwick Airport to Seattle flight?

    Return flights from London Gatwick Airport to Seattle range from £399 to £566, with an average of £492 over the past 12 months. Anything below £399 counts as a good deal.

  • How expensive are last-minute London Gatwick Airport to Seattle flights?

    Last-minute fares on this route (booked within two weeks of departure) run 21% above the £492 route average. Book 23 weeks before departure for the lowest fares.

  • How are flight prices from London Gatwick Airport to Seattle looking right now?

    One-way fares from London Gatwick Airport to Seattle are currently lower than usual. Average one-way flight prices are about £393, which is 11% below the typical average for this route.

  • Which car hire options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates averaging £45 for economy cars. Top options include:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • Which airports can I use when flying from London Gatwick Airport to Seattle?

    Flights from London Gatwick Airport to Seattle usually depart from London Gatwick (LGW) and arrive at Seattle/Tacoma Intl (SEA).

  • Which airports do connecting flights from London Gatwick Airport to Seattle pass through?

    One-stop flights from London Gatwick Airport to Seattle most commonly connect through:

    • Reykjavik Keflavik Intl (KEF) – 87% of one-stop connections
    • Frankfurt am Main (FRA) – 9% of one-stop connections
    • Paris Charles de Gaulle (CDG) – 2% of one-stop connections
    • Zurich (ZRH) – 1% of one-stop connections

  • Can I save money by using flexible dates for flights from London Gatwick Airport to Seattle?

    Yes. Flexible dates can save you up to 22% on flights from London Gatwick Airport to Seattle. Wednesday is the cheapest departure day at £452 return on average, while Sunday is the most expensive at £577, a difference of £125.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different stopover airport from London Gatwick Airport to Seattle?

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time of 13h 12m, compared to 13h 34m via Reykjavik Keflavik Intl (KEF) and 13h 53m via Frankfurt am Main (FRA).

  • What is the time difference between London Gatwick Airport and Seattle?

    Seattle is 8 hours behind London Gatwick Airport (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are The Westin Seattle, Seattle Center, and Seattle Marriott Waterfront. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking London Gatwick Airport to Seattle flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Sunday. On this route, Wednesday flights average £452, about £125 less than Sunday fares (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 23 weeks before you fly. On this route, that window historically saves about 35% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your London Gatwick Airport to Seattle trip for February. Fares historically average £354 return in that month – typically £230 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Seattle/Tacoma Intl Airport.

    • Coast Gateway Hotel
    • Seattle Airport Marriott
    • Fairfield by Marriott Inn & Suites Seattle Sea-Tac Airport

More options for your flight from Gatwick to Seattle

Complete your trip to Seattle with a hotel stay or car hire

Car hire in Seattle
Hotels in Seattle
Holidays in Seattle