SEA - BHD

£272 Find Cheap Flights from Seattle to Belfast – Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£593
Typical prices: £697-£978
Multiple Airlines
Sat 27/1Fri 16/2
SEA - BHD • 2 stops
Direct flights
Not available
There are currently no direct flights between Seattle and Belfast City Airport. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
September
Cheapest • 16% price drop
March
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
London Heathrow (LHR)
Cheapest • Avg £791 (return)
Amsterdam Schiphol (AMS)
Shortest trip • 14h 39m (one-way)
Insights
Insights
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We hope you enjoy your trip to Belfast City Airport!
Flight Deals
Booking Insights
Flight Deals

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

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

Recent return flight deals from Seattle to Belfast City

Wed, 27 Jan - Tue, 16 Feb
Multiple Airlines Logo
14:35 - 20:30SEA  Seattle/Tacoma Intl-BHD Belfast City
21h 55m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
07:20 - 17:00BHD  Belfast City-SEA Seattle/Tacoma Intl
17h 40m2 stops London Gatwick Reykjavik Keflavik Intl
£593Multiple Airlines
Sun, 25 Apr - Wed, 28 Apr
British Airways Logo
20:20 - 17:40SEA  Seattle/Tacoma Intl-BHD Belfast City
13h 20m1 stop London Heathrow
British Airways Logo
06:30 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
19h 55m1 stop London Heathrow
£670British Airways
Sun, 25 Apr - Wed, 28 Apr
British Airways Logo
20:20 - 17:40SEA  Seattle/Tacoma Intl-BHD Belfast City
13h 20m1 stop London Heathrow
British Airways Logo
06:30 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
19h 55m1 stop London Heathrow
£671British Airways
Sun, 25 Apr - Wed, 28 Apr
British Airways Logo
20:20 - 17:40SEA  Seattle/Tacoma Intl-BHD Belfast City
13h 20m1 stop London Heathrow
British Airways Logo
06:30 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
19h 55m1 stop London Heathrow
£672British Airways
Tue, 1 Dec - Tue, 8 Dec
Multiple Airlines Logo
07:45 - 16:45SEA  Seattle/Tacoma Intl-BHD Belfast City
25h 00m3 stops Toronto Pearson Intl Kastrup Copenhagen Amsterdam Schiphol
Multiple Airlines Logo
09:40 - 13:00BHD  Belfast City-SEA Seattle/Tacoma Intl
35h 20m3 stops Amsterdam Schiphol Kastrup Copenhagen Munich Franz Josef Strauss
£694Multiple Airlines
Sun, 24 Jan - Sun, 14 Feb
Multiple Airlines Logo
14:35 - 19:00SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 25m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
08:20 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
16h 30m1 stop London Luton
£700Multiple Airlines
Fri, 29 Jan - Tue, 16 Feb
British Airways Logo
18:45 - 17:25SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 40m1 stop London Heathrow
British Airways Logo
15:05 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
33h 45m1 stop London Heathrow
£704British Airways
Mon, 30 Nov - Mon, 7 Dec
British Airways Logo
18:45 - 18:35SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 50m1 stop London Heathrow
British Airways Logo
19:40 - 11:25BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 45m1 stop London Heathrow
£709British Airways
Sun, 24 Jan - Sat, 13 Feb
Multiple Airlines Logo
14:35 - 19:00SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 25m2 stops Reykjavik Keflavik Intl London Heathrow
Multiple Airlines Logo
10:00 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
14h 50m1 stop London Gatwick
£713Multiple Airlines
Fri, 29 Jan - Wed, 17 Feb
Delta Logo
11:00 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
21h 50m2 stops Salt Lake City Amsterdam Schiphol
Delta Logo
17:20 - 11:47BHD  Belfast City-SEA Seattle/Tacoma Intl
26h 27m1 stop Amsterdam Schiphol
£714Delta
Booking Insights

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

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

What's the cheapest day of the week to fly from Seattle to Belfast City Airport?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Seattle to Belfast City Airport. It's 16% cheaper than the average day, while Wednesday is the most expensive, with prices 43% higher.

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Key details for Seattle to Belfast City Airport flights

Low season

December

Cheapest flight

£593
Beat the crowds with an average 87% drop in traveller numbers.
The most popular month to fly with an average 17% increase in traveller numbers.
Return flight from Seattle to Belfast City Airport

When to book flights from Seattle to Belfast City

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

Your Seattle to Belfast City Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

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

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

  • Do I need a passport to fly from Seattle to Belfast City 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 Belfast City Airport flight?

    Return flights from Seattle to Belfast City Airport range from £697 to £978, with an average of £826 over the past 12 months. Anything below £697 counts as a good deal.

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

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about £593 to £1,909. That means the highest observed fare was about 3x higher than the lowest one.

  • Which car hire options are available at Belfast City Airport (BHD)?

    Belfast City Airport (BHD) hosts 5 major car hire companies, with daily rates averaging £31 for economy cars. Top options include:

    • Budget
    • Sixt
    • Enterprise Rent-A-Car
    • Avis
    • Hertz

  • Which airports can I use when flying from Seattle to Belfast City Airport?

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

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

    Connecting flights from Seattle to Belfast City Airport most commonly pass through:

    • London Heathrow (LHR) – 88% of one-stop connections
    • Amsterdam Schiphol (AMS) – 12% of one-stop connections

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

    Yes. Flexible dates can save you up to 42% on flights from Seattle to Belfast City Airport. Saturday is the cheapest departure day at £697 return on average, while Wednesday is the most expensive at £1,183, a difference of £486.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different stopover airport from Seattle to Belfast City Airport?

    Flying via London Heathrow (LHR) gives the shortest average 1-stop total travel time of 13h 54m, compared to 14h 39m via Amsterdam Schiphol (AMS).

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

    Belfast City 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 Belfast City Airport?

    Some of the most popular sights in Belfast City Airport are Waterfront Hall, SSE Arena, and Grand Opera House. These are among the most viewed places in Belfast City Airport on KAYAK.

Your guide to booking Seattle to Belfast City 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 Saturday departure and avoid flying on Wednesday. On this route, Saturday flights average £697, about £486 less than Wednesday fares (41% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Seattle to Belfast City Airport trip for September. Fares historically average £697 return in that month – typically £352 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 Belfast City Airport.

    • Titanic Hotel Belfast
    • Premier Inn Belfast Titanic Quarter
    • Park Avenue

More options for your flight from Seattle to Belfast City

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

Car hire in Belfast
Hotels in Belfast
Holidays in Belfast