SEA - BHD

£661 Find Cheap Flights from Seattle to Belfast – Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return flight
£661
Typical prices: £715-£987
British Airways
Wed 17/1Sun 21/1
SEA - BHD • 1 stop
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 £793 (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

Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
18:45 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
11:05 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£661British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
18:45 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
11:05 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£662British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
14:39 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
18h 11m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
06:30 - 11:25BHD  Belfast City-SEA Seattle/Tacoma Intl
12h 55m1 stop London Heathrow
£844British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
14:39 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
18h 11m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
06:30 - 11:25BHD  Belfast City-SEA Seattle/Tacoma Intl
12h 55m1 stop London Heathrow
£845British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
15:44 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
17h 06m2 stops Portland London Heathrow
British Airways Logo
07:00 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
17h 50m2 stops Edinburgh Turnhouse London Heathrow
£867British Airways
Sun, 17 Jan - Thu, 21 Jan
British Airways Logo
15:44 - 16:50SEA  Seattle/Tacoma Intl-BHD Belfast City
17h 06m2 stops Portland London Heathrow
British Airways Logo
07:00 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
17h 50m2 stops Edinburgh Turnhouse London Heathrow
£868British Airways
Mon, 11 Jan - Thu, 14 Jan
British Airways Logo
18:45 - 18:35SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 50m1 stop London Heathrow
British Airways Logo
17:50 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
31h 00m1 stop London Heathrow
£1,008British Airways
Mon, 11 Jan - Thu, 14 Jan
British Airways Logo
18:45 - 18:35SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 50m1 stop London Heathrow
British Airways Logo
17:50 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
31h 00m1 stop London Heathrow
£1,009British Airways
Mon, 11 Jan - Thu, 14 Jan
British Airways Logo
14:39 - 17:25SEA  Seattle/Tacoma Intl-BHD Belfast City
18h 46m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:05 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£1,192British Airways
Mon, 11 Jan - Thu, 14 Jan
British Airways Logo
14:39 - 17:25SEA  Seattle/Tacoma Intl-BHD Belfast City
18h 46m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:05 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
£1,193British Airways
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.

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

Return flights from Seattle to Belfast City Airport typically range from £715 to £987. The lowest price found in the past 5 days was £661 on British Airways.

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.

Find deals

Key details for Seattle to Belfast City Airport flights

Low season

December

Cheapest flight

£661
Beat the crowds with an average 86% drop in traveller numbers.
The most popular month to fly with an average 14% increase in traveller numbers.
Round-trip 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 £715 to £987, with an average of £833 over the past 12 months. Anything below £715 counts as a good deal.

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

    Belfast City Airport (BHD) hosts 5 major car hire companies, with daily rates starting from around £10 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) – 86% of one-stop connections
    • Amsterdam Schiphol (AMS) – 14% 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 £703 return on average, while Wednesday is the most expensive at £1,193, a difference of £490.

    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 14h 02m, 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 £703, about £490 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 £703 return in that month – typically £355 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
    • Park Avenue
    • Premier Inn Belfast Titanic Quarter

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