SEA - LTN

$328 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
$742
Typical prices: $1,057-$1,057
Multiple Airlines
Mon 1/22Tue 1/30
SEA - LTN • 1 stop
Cheapest one-way
$328
Typical prices: $347-$442
Multiple Airlines
Fri 11/23
SEA - LTN • 3 stops
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We hope you love your trip to London Luton Airport!
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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

Fri, Jan 22 - Sat, Jan 30
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
$742Multiple Airlines
Sun, Jan 10 - Sun, Jan 17
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
$744Multiple Airlines
Tue, Nov 17 - Tue, Nov 24
Multiple Airlines Logo
2:35 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
$757Multiple Airlines
Tue, Nov 17 - Tue, Nov 24
Multiple Airlines Logo
2:35 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
$759Multiple Airlines
Wed, Jan 27 - Wed, Feb 3
Multiple Airlines Logo
2:35 pm - 9:00 pmSEA  Seattle/Tacoma Intl-LTN London Luton
22h 25m2 stops Reykjavik Keflavik Intl Dublin
Multiple Airlines Logo
7:30 am - 5:00 pmLTN  London Luton-SEA Seattle/Tacoma Intl
17h 30m2 stops Dublin Reykjavik Keflavik Intl
$760Multiple Airlines
Fri, Jan 22 - Sat, Jan 30
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
$761Multiple Airlines
Fri, Jan 22 - Sun, Feb 7
Multiple Airlines Logo
2:35 pm - 1:55 pmSEA  Seattle/Tacoma Intl-LTN London Luton
15h 20m1 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
$762Multiple Airlines
Wed, Jan 20 - Sun, Jan 24
Multiple Airlines Logo
2:35 pm - 1:00 pmSEA  Seattle/Tacoma Intl-LTN London Luton
14h 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
$764Multiple Airlines
Sun, Nov 29 - Tue, Dec 15
Multiple Airlines Logo
2:35 pm - 7:00 pmSEA  Seattle/Tacoma Intl-LTN London Luton
20h 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
$765Multiple Airlines
Thu, Jan 21 - Sun, Jan 24
Multiple Airlines Logo
2:35 pm - 1:00 pmSEA  Seattle/Tacoma Intl-LTN London Luton
14h 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
$766Multiple 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 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 10h 12m over the past 3 months.

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Key details for Seattle to London Luton Airport flights

Cheapest flight

$328
One-way 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 answers about this route, including flight times, airports, airlines and booking tips.

  • 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 $742 to $2,496. 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 in line with typical prices for this route. Average one-way fares are about $357.

  • What car rental options are available at London Luton Airport (LTN)?

    London Luton Airport (LTN) hosts 5 major car rental companies, with daily rates averaging $41 for economy cars. Top options include:

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

  • 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.

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

    London Luton Airport is 7 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 Luton Airport?

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

More options for your flight from Seattle to Luton

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