BHD - SEA

£394 Find Cheap Flights from Belfast City Airport to Seattle – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£548
Typical prices: £706-£742
British Airways
Mon 1/10Sun 7/10
BHD - SEA • 1 stop
Cheapest one-way flight
£394
Typical prices: £421-£421
Multiple Airlines
Mon 8/10
BHD - SEA • 3 stops
Direct flights
Not available
There are currently no direct flights between Belfast City Airport and Seattle. You'll need to take a connecting flight to reach the destination.
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Flight Deals

Cheap Flights from Belfast City to Seattle (BHD-SEA)

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

Recent return flight deals from Belfast City to Seattle

Thu, 1 Oct - Wed, 7 Oct
British Airways Logo
06:30 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 05m1 stop London Heathrow
British Airways Logo
20:20 - 18:45SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 25m1 stop London Heathrow
£548British Airways
Thu, 1 Oct - Wed, 7 Oct
KLM Logo
09:50 - 16:35BHD  Belfast City-SEA Seattle/Tacoma Intl
14h 45m1 stop Amsterdam Schiphol
KLM Logo
22:59 - 09:20SEA  Seattle/Tacoma Intl-BHD Belfast City
26h 21m2 stops New York John F Kennedy Intl Amsterdam Schiphol
£577KLM
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
10:31 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 59m2 stops Chicago O'Hare Intl London Heathrow
£599British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
12:45 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
30h 50m1 stop London Heathrow
British Airways Logo
13:30 - 12:55SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 25m1 stop London Heathrow
£599British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
12:45 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
British Airways Logo
10:31 - 12:55SEA  Seattle/Tacoma Intl-BHD Belfast City
18h 24m2 stops Chicago O'Hare Intl London Heathrow
£599British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
06:30 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 05m1 stop London Heathrow
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
£599British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
15:14 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
£600British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
06:30 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 05m1 stop London Heathrow
British Airways Logo
06:12 - 12:55SEA  Seattle/Tacoma Intl-BHD Belfast City
22h 43m2 stops Chicago O'Hare Intl London Heathrow
£600British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
09:35 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
16h 50m1 stop London Heathrow
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
£600British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
£600British Airways
Booking Insights

Price, demand, and travel trends for Belfast City Airport to Seattle flights

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

How much is a return flight from Belfast City Airport to Seattle?

Return flights from Belfast City Airport to Seattle start at £548. Prices are below average for this route right now, with typical return fares ranging from £706 to £742. The lowest price found in the past 5 days was £548 on British Airways.

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Key details for Belfast City Airport to Seattle flights

Cheapest flight

£394
Flights from Belfast City Airport to Seattle

When to book flights from Belfast City to Seattle

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

Your Belfast City Airport to Seattle 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 Belfast City Airport to Seattle?

    Flights from Belfast City Airport to Seattle usually depart from Belfast City (BHD) and arrive at Seattle/Tacoma Intl (SEA).

  • Which cabin classes can I book on flights from Belfast City Airport to Seattle?

    Only Economy class is available on flights from Belfast City Airport to Seattle.

  • Which airports do connecting flights from Belfast City Airport to Seattle pass through?

    Most connecting flights from Belfast City Airport to Seattle pass through London Heathrow (LHR), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

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

    Yes. Being flexible with your travel dates can save you up to 46% on the Belfast City Airport to Seattle route. Thursday is the cheapest departure day at £564 return on average, while Sunday is the most expensive at £1,039, a difference of £476. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Seattle?

    Some of the most popular sights in Seattle are Pier 66, The Westin Seattle, and Seattle Center. These are among the most viewed places in Seattle on KAYAK.

  • How long is a flight from Belfast City Airport to Seattle?

    A direct flight from Belfast City Airport to Seattle takes 0h 00m, covering 4,472 miles.

  • Do I need a passport to fly from Belfast City Airport 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.

  • Have flight prices from Belfast City Airport to Seattle changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about £548 to £687. That means the highest observed fare was about 25% higher than the lowest one.

  • How are flight prices from Belfast City Airport to Seattle looking right now?

    One-way fares from Belfast City Airport to Seattle are currently higher than usual. Average one-way flight prices are about £603, which is 43% above the typical average for this route.

  • What is the time difference between Belfast City Airport and Seattle?

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

  • 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 starting from around £3 for economy cars. Top options include:
    • Fox
    • Europcar
    • Thrifty
    • Budget
    • Dollar

  • How much should I expect to pay for a Belfast City Airport to Seattle flight?

    Return flights from Belfast City Airport to Seattle range from £706 to £742, with an average of £724 over the past 12 months. Anything below £706 counts as a good deal.

Your guide to booking Belfast City Airport to Seattle flights

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

More options for your flight from Belfast City to Seattle

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