LDY - SEA

Find Cheap Flights from Londonderry to Seattle – Compare and Save

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1 adult, Economy, 0 bags

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Cheap Flights from Londonderry to Seattle (LDY-SEA)

 
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Recent return flight deals from Londonderry to Seattle

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LDY  Londonderry Eglinton-SEA Seattle/Tacoma Airport
4416 mimulti-stop
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SEA  Seattle/Tacoma Airport-LDY Londonderry Eglinton
4416 mimulti-stop
Multiple Airlines
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When to book flights from Londonderry to Seattle

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

Your Londonderry to Seattle 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 Londonderry 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.

  • Which car hire options are available at Seattle/Tacoma Intl Airport (SEA)?

    Seattle/Tacoma Intl Airport (SEA) hosts 5 major car hire companies, with daily rates averaging £46 for economy cars. Top options include:

    • Europcar
    • Fox
    • Thrifty
    • Budget
    • Dollar

  • Which airports can I use when flying from Londonderry to Seattle?

    Flights from Londonderry to Seattle usually depart from Londonderry Eglinton (LDY) and arrive at Seattle/Tacoma Intl (SEA).

  • What is the time difference between Londonderry and Seattle?

    Seattle is 8 hours behind Londonderry (Pacific Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are The Westin Seattle, Seattle Center, and Seattle Marriott Waterfront. These are among the most viewed places in Seattle on KAYAK.

Your guide to booking Londonderry to Seattle flights

Get tips on when to book, when to fly, and what to know before your trip.

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Complete your trip to Seattle with a hotel stay or car hire

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