LGW - SEA

$512 Find Cheap Flights from London Gatwick Airport to Seattle - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$581
Typical prices: $554-$738
Icelandair
Tue 10/9Fri 10/26
LGW - SEA • 1 stop
Cheapest one-way
$512
Typical prices: $503-$717
Air France
Tue 11/6
LGW - SEA • 1 stop
Nonstop 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
24 weeks
in advance
Our data shows that travelers who book at least 24 weeks in advance save around 33% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 23% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Zurich (ZRH)
Cheapest • Avg $605 (round-trip)
Reykjavik Keflavik Intl (KEF)
Shortest trip • 13h 27m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love 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 round-trip flight deals from Gatwick to Seattle

Fri, Oct 9 - Mon, Oct 26
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:35 pm - 10:55 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
$581Icelandair
Thu, Sep 24 - Sun, Oct 4
Delta Logo
10:25 am - 5:48 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
15h 23m1 stop Paris Charles de Gaulle
Delta Logo
1:30 pm - 9:25 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 55m1 stop Paris Charles de Gaulle
$584Delta
Tue, Oct 20 - Sun, Nov 8
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
2:35 pm - 10:55 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
$587Icelandair
Fri, Sep 25 - Tue, Sep 29
Virgin Atlantic Logo
10:25 am - 11:55 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
21h 30m2 stops Paris Charles de Gaulle Minneapolis St Paul
Virgin Atlantic Logo
1:30 pm - 9:25 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 55m1 stop Paris Charles de Gaulle
$590Virgin Atlantic
Sat, Dec 12 - Wed, Jan 13
Virgin Atlantic Logo
10:00 am - 10:05 amLGW  London Gatwick-SEA Seattle/Tacoma Intl
32h 05m2 stops Paris Charles de Gaulle Los Angeles
Virgin Atlantic Logo
7:15 am - 3:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
24h 30m2 stops New York John F Kennedy Intl Paris Charles de Gaulle
$592Virgin Atlantic
Fri, Jan 15 - Fri, Jan 22
Delta Logo
10:00 am - 3:13 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 13m1 stop Paris Charles de Gaulle
Delta Logo
3:25 pm - 3:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
16h 20m1 stop Paris Charles de Gaulle
$593Delta
Fri, Jan 15 - Fri, Jan 22
Delta Logo
10:00 am - 3:13 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 13m1 stop Paris Charles de Gaulle
Delta Logo
3:25 pm - 3:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
16h 20m1 stop Paris Charles de Gaulle
$594Delta
Tue, Oct 6 - Sun, Oct 25
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:35 pm - 1:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 05m1 stop Reykjavik Keflavik Intl
$598Icelandair
Thu, Jan 14 - Thu, Jan 21
Virgin Atlantic Logo
10:00 am - 10:04 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
20h 04m2 stops Paris Charles de Gaulle Boston Logan Intl
Virgin Atlantic Logo
4:05 pm - 3:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 40m1 stop Paris Charles de Gaulle
$599Virgin Atlantic
Wed, Dec 9 - Wed, Jan 6
Multiple Airlines Logo
10:00 am - 3:13 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 13m1 stop Paris Charles de Gaulle
Multiple Airlines Logo
3:25 pm - 3:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
16h 20m1 stop Paris Charles de Gaulle
$600Multiple Airlines
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 from London Gatwick Airport to Seattle with more confidence.

How much is a round-trip flight from London Gatwick Airport to Seattle?

Round-trip flights from London Gatwick Airport to Seattle start at $581. Prices are typical for this route right now, with typical round-trip fares ranging from $554 to $738. The lowest price found in the past 5 days was $581 on Icelandair.

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

Monday is the cheapest day of the week to fly from London Gatwick Airport to Seattle, it is 7% cheaper than the average day. Sunday is the most expensive day with flight prices 30% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • January is the cheapest month to fly from London Gatwick Airport to Seattle at $500 round-trip.
  • July ($783) and June ($705) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 56% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from London Gatwick Airport to Seattle are cheapest 24 weeks before departure. Booking in this window typically costs about 33% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for London Gatwick Airport to Seattle flights

Low season

January

Cheapest flight

$512
Best time to beat the crowds with an average 23% drop in price.
Most popular time to fly with an average 3% increase in price.
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 round-trip price

Your London Gatwick Airport to Seattle flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

  • What 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
    • Business Class

  • 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) - 92% of one-stop connections
    • Frankfurt am Main (FRA) - 6% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 1% of one-stop connections
    • Zurich (ZRH) - 1% of one-stop connections

    Reykjavik Keflavik Intl (KEF) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 29% on the London Gatwick Airport to Seattle route. Monday is the cheapest departure day at $606 round-trip on average, while Sunday is the most expensive at $847, a difference of $241. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pike Place Market, Pier 66 and Lumen Field. These are among the most viewed places in Seattle on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 18% above the route average of $649. Book 24 weeks before departure for the lowest fares.

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

    A nonstop flight from London Gatwick Airport to Seattle takes 0h 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 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 $516, which is 15% below the typical average for this route.

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

    Flying via Zurich (ZRH) gives the shortest average 1-stop total travel time at 13h 12m, compared with 13h 27m via Reykjavik Keflavik Intl (KEF) and 14h 09m 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 car rental options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

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

    Round-trip flights from London Gatwick Airport to Seattle range from $554 to $738, with an average of $649 over the past 12 months. Anything below $554 counts as a good deal.

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 can be flexible, aim for a Monday departure instead of Sunday. On this route, Monday flights average $606 - about $241 less than Sunday (28% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 33% 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 January. Fares historically average $500 round-trip in that month - typically $283 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.
    - Seattle Airport Marriott
    - Coast Gateway Hotel
    - 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 rental

Car rentals in Seattle
Hotels in Seattle
Vacations in Seattle