SEA - LTN

$327 Find Cheap Flights from Seattle to London Luton Airport - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$639
Typical prices: $1,057-$1,057
Multiple Airlines
Thu 11/1Tue 11/6
SEA - LTN • 1 stop
Cheapest one-way
$327
Typical prices: $347-$442
Multiple Airlines
Sun 11/11
SEA - LTN • 3 stops
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We hope you love your trip to London Luton Airport!
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Booking Insights
Flight Deals

Cheap Flights from Seattle to Luton (SEA-LTN)

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

Recent round-trip flight deals from Seattle to Luton

Sun, Nov 1 - Fri, Nov 6
Multiple Airlines Logo
2:35 pm - 3:05 pmSEA  Seattle/Tacoma Intl-LTN London Luton
16h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
19h 00m1 stop Reykjavik Keflavik Intl
$639Multiple Airlines
Tue, Oct 27 - Tue, Nov 3
Multiple Airlines Logo
3:35 pm - 8:00 pmSEA  Seattle/Tacoma Intl-LTN London Luton
21h 25m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:45 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
17h 15m2 stops Dublin Reykjavik Keflavik Intl
$772Multiple Airlines
Sun, Jan 3 - Sun, Jan 10
Multiple Airlines Logo
2:35 pm - 3:05 pmSEA  Seattle/Tacoma Intl-LTN London Luton
16h 30m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
19h 00m1 stop Reykjavik Keflavik Intl
$774Multiple Airlines
Fri, Feb 19 - Sat, Feb 27
Multiple Airlines Logo
2:35 pm - 1:55 pmSEA  Seattle/Tacoma Intl-LTN London Luton
15h 20m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
7:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
18h 00m1 stop Reykjavik Keflavik Intl
$775Multiple Airlines
Sat, Oct 17 - Sat, Nov 14
Multiple Airlines Logo
3:40 pm - 1:05 pmSEA  Seattle/Tacoma Intl-LTN London Luton
13h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
7:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
18h 00m1 stop Reykjavik Keflavik Intl
$776Multiple Airlines
Fri, Jan 1 - Mon, Jan 11
Multiple Airlines Logo
2:35 pm - 1:55 pmSEA  Seattle/Tacoma Intl-LTN London Luton
15h 20m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
8:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
17h 00m1 stop Reykjavik Keflavik Intl
$777Multiple Airlines
Sat, Oct 17 - Thu, Nov 12
Multiple Airlines Logo
3:40 pm - 1:05 pmSEA  Seattle/Tacoma Intl-LTN London Luton
13h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
19h 00m1 stop Reykjavik Keflavik Intl
$778Multiple Airlines
Mon, Nov 16 - Sat, Nov 21
Multiple Airlines Logo
2:35 pm - 9:50 pmSEA  Seattle/Tacoma Intl-LTN London Luton
23h 15m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
7:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
18h 00m2 stops Glasgow Intl Reykjavik Keflavik Intl
$780Multiple Airlines
Sat, Oct 17 - Wed, Nov 11
Multiple Airlines Logo
3:40 pm - 1:05 pmSEA  Seattle/Tacoma Intl-LTN London Luton
13h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
8:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
17h 00m1 stop Reykjavik Keflavik Intl
$781Multiple Airlines
Sat, Oct 17 - Fri, Nov 13
Multiple Airlines Logo
3:40 pm - 1:05 pmSEA  Seattle/Tacoma Intl-LTN London Luton
13h 25m1 stop Reykjavik Keflavik Intl
Multiple Airlines Logo
6:00 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
19h 00m1 stop Reykjavik Keflavik Intl
$782Multiple Airlines
Booking Insights

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

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

What is the cheapest layover airport when flying from Seattle to London Luton Airport?

Flights via Reykjavik Keflavik Intl (KEF) offer the most affordable fares, with an average round-trip price of $1,057. Based on KAYAK data over the past 3 months.

When flying from Seattle to London Luton Airport which airport offers the shortest layover?

Reykjavik Keflavik Intl (KEF) had the shortest average connection time for Seattle to London Luton Airport layovers at 612 minutes over the past 3 months.

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Key details for Seattle to London Luton Airport flights

Cheapest flight

$327
Flight from Seattle to London Luton Airport

When to book flights from Seattle to Luton

Are your dates flexible? Find out the best times to travel from Seattle to Luton 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 Luton 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 Luton Airport?

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

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

    Most connecting flights from Seattle to London Luton Airport pass through Reykjavik Keflavik Intl (KEF), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

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

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

  • Do I need a passport to fly from Seattle to London Luton 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.

  • Have flight prices from Seattle to London Luton Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $639 to $2,005. That means the highest observed fare was about 3x higher than the lowest one.

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

    One-way fares from Seattle to London Luton Airport are currently lower than usual. Average one-way flight prices are about $335, which is 9% below the typical average for this route.

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

    London Luton 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 Luton Airport (LTN)?

    London Luton Airport (LTN) hosts 5 major car rental companies, with daily rates starting from around $11 for economy cars. Top options include:
    • GREEN MOTION
    • DRIVALIA
    • Alamo
    • Europcar
    • Budget

More options for your flight from Seattle to Luton

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