SEA - LGW

$331 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
$756
Typical prices: $560-$860
Condor
Wed 1/10Sun 1/14
SEA - LGW • 1 stop
Cheapest one-way
$331
Typical prices: $385-$524
Multiple Airlines
Sat 12/8
SEA - LGW • 2 stops
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
15 weeks
in advance
Our data shows that travelers who book at least 15 weeks in advance save around 50% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 22% price drop
May
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Reykjavik Keflavik Intl (KEF)
Cheapest • Avg $737 (round-trip)
Frankfurt am Main (FRA)
Shortest trip • 14h 29m (one-way)
Insights
Insights
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We hope you love your trip to London Gatwick Airport!

Cheap Flights from Seattle to Gatwick (SEA-LGW)

 

Cheap flights from Seattle to Gatwick with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Sun, Jan 10 - Thu, Jan 14
Condor Logo
3:00 pm - 3:00 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
16h 00m1 stop Frankfurt am Main
Condor Logo
10:25 am - 3:55 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 30m1 stop Frankfurt am Main
$756Condor
Tue, Nov 24 - Tue, Dec 1
Multiple Airlines Logo
2:35 pm - 6:20 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
19h 45m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
8:50 am - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
16h 10m2 stops Dublin Reykjavik Keflavik Intl
$756Multiple Airlines
Tue, Dec 1 - Wed, Dec 9
Multiple Airlines Logo
2:35 pm - 8:35 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
34h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Oslo Gardermoen
Multiple Airlines Logo
7:00 am - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
18h 00m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$756Multiple Airlines
Sun, Apr 4 - Fri, Apr 9
Icelandair Logo
7:00 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
$757Icelandair
Wed, Mar 31 - Fri, Apr 9
Icelandair Logo
7:00 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
11h 40m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
$759Icelandair
Tue, Mar 30 - Fri, Apr 9
Icelandair Logo
3:40 pm - 2:40 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
15h 00m1 stop Reykjavik Keflavik Intl
Icelandair Logo
3:40 pm - 8:40 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 00m1 stop Reykjavik Keflavik Intl
$759Icelandair
Thu, Dec 10 - Thu, Dec 17
Multiple Airlines Logo
2:35 pm - 9:20 amSEA  Seattle/Tacoma Intl-LGW London Gatwick
34h 45m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Barcelona-El Prat
Multiple Airlines Logo
5:15 pm - 5:00 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
31h 45m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
$761Multiple Airlines
Thu, Apr 1 - Tue, Apr 6
Condor Logo
5:45 pm - 7:10 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
17h 25m1 stop Frankfurt am Main
Condor Logo
10:30 am - 3:45 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 15m1 stop Frankfurt am Main
$767Condor
Mon, Jan 4 - Mon, Jan 25
Condor Logo
5:50 pm - 7:25 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
17h 35m1 stop Frankfurt am Main
Condor Logo
10:25 am - 3:55 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 30m1 stop Frankfurt am Main
$767Condor
Thu, Nov 26 - Sun, Apr 25
Condor Logo
5:50 pm - 3:00 pmSEA  Seattle/Tacoma Intl-LGW London Gatwick
13h 10m1 stop Frankfurt am Main
Condor Logo
10:30 am - 3:45 pmLGW  London Gatwick-SEA Seattle/Tacoma Intl
13h 15m1 stop Frankfurt am Main
$767Condor

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 with more confidence.

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

Round-trip flights from Seattle to London Gatwick Airport typically range from $560 to $860. The lowest price found in the past 5 days was $756, on Condor.

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

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Seattle to London Gatwick Airport. It’s 9% cheaper than the average day, while Saturday is the most expensive, with prices 6% higher.

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

•January is the cheapest month to fly from Seattle to London Gatwick Airport at $541 round-trip.
•July ($926) and June ($876) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 71% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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

Flights from Seattle to London Gatwick Airport are cheapest 15 weeks before departure. Booking in this window typically costs about 50% 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

December

Cheapest flight

$331
Beat the crowds with an average 51% drop in travelers.
The most popular month to fly with an average 97% increase in travelers.
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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

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

    A nonstop flight from Seattle to London Gatwick Airport takes 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 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 $560 to $860, with an average of $691 over the past 12 months. Anything below $560 counts as a good deal.

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

    Last-minute fares on this route (booked within two weeks of departure) run 54% above the $691 route average. Book 15 weeks before departure for the lowest fares.

  • 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 $377, which is 16% below the typical average for this route.

  • 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 $7 for economy cars. Top options include:

    • GREEN MOTION
    • DRIVALIA
    • U-Save
    • Europcar
    • Alamo

  • 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).

  • 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) - 83% of one-stop connections
    • Frankfurt am Main (FRA) - 15% of one-stop connections
    • Paris Charles de Gaulle (CDG) - 2% of one-stop connections
    • Istanbul (IST) - 0% of one-stop connections

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

    Yes. Flexible dates can save you up to 14% on flights from Seattle to London Gatwick Airport. Friday is the cheapest departure day at $632 round-trip on average, while Saturday is the most expensive at $733, a difference of $101.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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 13h 33m, compared with 14h 29m via Frankfurt am Main (FRA) and 15h 34m via Paris Charles de Gaulle (CDG).

  • 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 popular places can I visit in London Gatwick Airport?

    Some of the most popular sights in London Gatwick Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Gatwick Airport on KAYAK.

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 are flexible, aim for a Friday departure and avoid flying on Saturday. On this route, Friday flights average $632, about $101 less than Saturday fares (14% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 15 weeks before you fly. On this route, that window historically saves about 50% 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 January. Fares historically average $541 round-trip in that month - typically $385 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

More options for your flight from Seattle to Gatwick

Complete your trip to London with a hotel stay or car rental

Car rentals in London
Hotels in London
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