SEA - LGW

$293 Find Cheap Flights from Seattle to London Gatwick Airport - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$653
Typical prices: $546-$848
Multiple Airlines
Sun 11/4Thu 11/15
SEA - LGW • 3 stops
Cheapest one-way
$293
Typical prices: $362-$536
Multiple Airlines
Thu 10/4
SEA - LGW • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Seattle and London Gatwick Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
26 weeks
in advance
Our data shows that travelers who book at least 26 weeks in advance save around 54% compared to booking last minute.
Insights
Insights
When to travel
March
Cheapest • 24% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Reykjavik Keflavik Intl (KEF)
Cheapest • Avg $725 (round-trip)
Paris Charles de Gaulle (CDG)
Shortest trip • 14h 03m (one-way)
Insights
Insights
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We hope you love your trip to London Gatwick Airport!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Seattle to Gatwick (SEA-LGW)

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

Recent round-trip flight deals from Seattle to Gatwick

Wed, Nov 4 - Sun, Nov 15
Multiple Airlines Logo
7:45 am - 7:30 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
27h 45m3 stops Toronto Pearson Intl Zurich Stockholm Arlanda
Multiple Airlines Logo
9:15 am - 12:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
34h 45m3 stops Oslo Gardermoen Stockholm Arlanda Frankfurt am Main
$653Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
2:50 pm - 9:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
22h 55m2 stops Munich Franz Josef Strauss Kastrup Copenhagen
Multiple Airlines Logo
7:00 am - 8:59 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
21h 59m2 stops Kastrup Copenhagen Toronto Pearson Intl
$654Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
Multiple Airlines Logo
2:50 pm - 9:45 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
22h 55m2 stops Munich Franz Josef Strauss Kastrup Copenhagen
Multiple Airlines Logo
7:00 am - 9:57 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
22h 57m3 stops Kastrup Copenhagen Toronto Pearson Intl Vancouver Intl
$655Multiple Airlines
Sun, Sep 27 - Fri, Oct 9
Multiple Airlines Logo
3:55 pm - 10:20 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
34h 25m2 stops Kastrup Copenhagen Stockholm Arlanda
Multiple Airlines Logo
7:05 am - 1:45 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
14h 40m1 stop Kastrup Copenhagen
$659Multiple Airlines
Sun, Oct 25 - Sun, Nov 1
Multiple Airlines Logo
7:10 pm - 1:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
9:50 am - 9:50 amLGW  London Gatwick-SEA Seattle/Tacoma Intl
32h 00m2 stops Dublin Chicago O'Hare Intl
$659Multiple Airlines
Fri, Oct 23 - Sun, Nov 1
Multiple Airlines Logo
7:00 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
9:50 am - 9:50 amLGW  London Gatwick-SEA Seattle/Tacoma Intl
32h 00m2 stops Dublin Chicago O'Hare Intl
$659Multiple Airlines
Sat, Oct 24 - Sun, Nov 1
Multiple Airlines Logo
7:10 pm - 1:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
9:50 am - 9:50 amLGW  London Gatwick-SEA Seattle/Tacoma Intl
32h 00m2 stops Dublin Chicago O'Hare Intl
$659Multiple Airlines
Wed, Nov 4 - Sun, Nov 15
Multiple Airlines Logo
7:45 am - 7:30 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
27h 45m3 stops Toronto Pearson Intl Zurich Stockholm Arlanda
Multiple Airlines Logo
8:35 pm - 12:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
23h 25m2 stops Stockholm Arlanda Frankfurt am Main
$661Multiple Airlines
Sun, Dec 6 - Wed, Dec 16
Icelandair Logo
2:35 pm - 10:55 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
$710Icelandair
Sat, Feb 20 - Wed, Mar 3
Icelandair Logo
2:35 pm - 10:55 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
12h 20m1 stop Reykjavik Keflavik Intl
Icelandair Logo
11:55 am - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 05m1 stop Reykjavik Keflavik Intl
$733Icelandair
Booking Insights

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

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

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

Saturday is the cheapest day of the week to fly from Seattle to London Gatwick Airport, it is 12% cheaper than the average day. Wednesday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • March is the cheapest month to fly from Seattle to London Gatwick Airport at $518 round-trip.
  • July ($914) and June ($876) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 76% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Seattle to London Gatwick Airport are cheapest 26 weeks before departure. Booking in this window typically costs about 54% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Seattle to London Gatwick Airport flights

Low season

February

Cheapest flight

$293
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 17% increase in price.
Flight from Seattle to London Gatwick Airport

When to book flights from Seattle to Gatwick

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

Your Seattle to London Gatwick Airport 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 Seattle to London Gatwick Airport?

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

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

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

    • Economy Class
    • Premium Economy Class
    • Business Class

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

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

    • Reykjavik Keflavik Intl (KEF) - 89% of one-stop connections
    • Frankfurt am Main (FRA) - 8% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 4% 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 Seattle to London Gatwick Airport?

    On the Seattle to London Gatwick Airport route, being flexible with your departure day can save you up to 16%. Saturday is the cheapest day at $606 round-trip on average, while Wednesday is the most expensive at $721: a $115 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What popular places can I visit in London Gatwick Airport?

    Some of the most popular sights in London Gatwick Airport are Paddington Station, Central London and London Victoria Station. These are among the most viewed places in London Gatwick Airport on KAYAK.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 53% above the route average of $683. Book 26 weeks before departure for the lowest fares.

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

    A nonstop flight from Seattle to London Gatwick Airport takes 0h 00m, covering 4,807 miles.

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

    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 Seattle to London Gatwick Airport looking right now?

    One-way fares from Seattle to London Gatwick Airport are currently lower than usual. Average one-way flight prices are about $296, which is 34% below the typical average for this route.

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

    Flying via Reykjavik Keflavik Intl (KEF) gives the shortest average 1-stop total travel time at 12h 36m, compared with 14h 03m via Paris Charles de Gaulle (CDG) and 14h 19m via Frankfurt am Main (FRA).

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

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

  • What car rental options are available at London Gatwick Airport (LGW)?

    London Gatwick Airport (LGW) hosts 5 major car rental companies, with daily rates starting from around $8 for economy cars. Top options include:
    · GREEN MOTION
    · DRIVALIA
    · U-Save
    · Europcar
    · Alamo

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

    Round-trip flights from Seattle to London Gatwick Airport range from $546 to $848, with an average of $683 over the past 12 months. Anything below $546 counts as a good deal.

Your guide to booking Seattle to London Gatwick Airport 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 Saturday departure instead of Wednesday. On this route, Saturday flights average $606 - about $115 less than Wednesday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 26 weeks before you fly. On this route, that window historically saves about 54% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to London Gatwick Airport trip for March. Fares historically average $518 round-trip in that month - typically $396 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 London Gatwick Airport.
    - Premier Inn London Gatwick Airport

Everything you need to know for your flight from Seattle to Gatwick

Information on your arrival and departure airports

Seattle (SEA)
Gatwick (LGW)