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Cheap flights from Seattle to Belfast from £252

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
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
£680British 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
£681British Airways
Sun, 17 Jan - Thu, 21 Jan
Aer Lingus Logo
20:20 - 17:30SEA  Seattle/Tacoma Intl-BHD Belfast City
13h 10m1 stop London Heathrow
Aer Lingus Logo
09:35 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
16h 50m1 stop London Heathrow
£698Aer Lingus
Mon, 5 Oct - Thu, 22 Oct
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
12:45 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
£708British Airways
Mon, 5 Oct - Thu, 22 Oct
British Airways Logo
20:20 - 19:25SEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
12:45 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
£709British Airways
Mon, 5 Oct - Thu, 22 Oct
American Airlines Logo
15:14 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
14:20 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
29h 15m1 stop London Heathrow
£720American Airlines
Mon, 5 Oct - Thu, 22 Oct
American Airlines Logo
15:14 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
14:20 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
29h 15m1 stop London Heathrow
£722American Airlines
Mon, 5 Oct - Thu, 22 Oct
British Airways Logo
10:31 - 12:55SEA  Seattle/Tacoma Intl-BHD Belfast City
18h 24m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
09:35 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
16h 50m1 stop London Heathrow
£729British Airways
Mon, 5 Oct - Thu, 22 Oct
Multiple Airlines Logo
14:35 - 11:55SEA  Seattle/Tacoma Intl-BHD Belfast City
13h 20m2 stops Reykjavik Keflavik Intl Glasgow Intl
Multiple Airlines Logo
08:20 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
16h 30m1 stop London Luton
£731Multiple Airlines
Sun, 8 Nov - Sun, 15 Nov
British Airways Logo
10:31 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 59m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
09:35 - 20:15BHD  Belfast City-SEA Seattle/Tacoma Intl
18h 40m2 stops London Heathrow Chicago O'Hare Intl
£736British Airways
Mon, 5 Oct - Thu, 22 Oct

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British Airways flights from Seattle to Belfast City Airport

Our best British Airways deals on Seattle to Belfast City Airport flight tickets
British Airways
17 Jan
SEA18:45Seattle/Tacoma Intl
14h 05m
1 stop
BHD16:50Belfast City
21 Jan
BHD11:05Belfast City
13h 45m
1 stop
SEA16:50Seattle/Tacoma Intl
£680
British Airways
17 Jan
SEA18:45Seattle/Tacoma Intl
14h 05m
1 stop
BHD16:50Belfast City
21 Jan
BHD11:05Belfast City
13h 45m
1 stop
SEA16:50Seattle/Tacoma Intl
£681
British Airways
5 Oct
SEA20:20Seattle/Tacoma Intl
15h 05m
1 stop
BHD19:25Belfast City
22 Oct
BHD12:45Belfast City
13h 40m
1 stop
SEA18:25Seattle/Tacoma Intl
£708

Delta flights from Seattle to Belfast City Airport

Our best Delta deals on Seattle to Belfast City Airport flight tickets
Delta
20 Sept
SEA07:15Seattle/Tacoma Intl
18h 05m
2 stops
BHD09:20Belfast City
28 Sept
BHD09:50Belfast City
33h 57m
1 stop
SEA11:47Seattle/Tacoma Intl
£802
Delta
22 Sept
SEA17:45Seattle/Tacoma Intl
31h 35m
1 stop
BHD09:20Belfast City
28 Sept
BHD17:30Belfast City
36h 35m
2 stops
SEA22:05Seattle/Tacoma Intl
£807
Delta
20 Sept
SEA07:15Seattle/Tacoma Intl
18h 05m
2 stops
BHD09:20Belfast City
28 Sept
BHD17:30Belfast City
36h 35m
2 stops
SEA22:05Seattle/Tacoma Intl
£811

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Belfast City Airport that are best for you.

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Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sun 17/1

18:45-16:50

1 stop14h 05m

Belfast City

Thu 21/1

11:05-16:50

1 stop13h 45m

£680

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sun 17/1

18:45-16:50

1 stop14h 05m

Belfast City

Thu 21/1

11:05-16:50

1 stop13h 45m

£681

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

20:20-17:30

1 stop13h 10m

Belfast City

Thu 22/10

09:35-18:25

1 stop16h 50m

£698

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

20:20-19:25

1 stop15h 05m

Belfast City

Thu 22/10

12:45-18:25

1 stop13h 40m

£708

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

20:20-19:25

1 stop15h 05m

Belfast City

Thu 22/10

12:45-18:25

1 stop13h 40m

£709

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

15:14-15:30

2 stops16h 16m

Belfast City

Thu 22/10

14:20-11:35

1 stop29h 15m

£720

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

15:14-15:30

2 stops16h 16m

Belfast City

Thu 22/10

14:20-11:35

1 stop29h 15m

£722

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

10:31-12:55

2 stops18h 24m

Belfast City

Thu 22/10

09:35-18:25

1 stop16h 50m

£729

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sun 8/11

14:35-11:55

2 stops13h 20m

Belfast City

Sun 15/11

08:20-16:50

1 stop16h 30m

£731

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 5/10

10:31-15:30

2 stops20h 59m

Belfast City

Thu 22/10

09:35-20:15

2 stops18h 40m

£736

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Belfast from

How to get the cheapest flight ticket from Seattle to Belfast City Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Belfast City?

British Airways is the most popular carrier operating from Seattle/Tacoma Intl to Belfast City

When to book flights from Seattle to Belfast City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Belfast City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Seattle to Belfast City Airport (SEA to BHD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Belfast City Airport

Best price found

£252

Fastest flight time

13h 10m

Direct flights

None
The best one-way flight to Belfast City Airport from Seattle in the past 72 hours is £252. The best return flight deal from Seattle to Belfast City Airport found on momondo in the last 72 hours is £680.
The fastest flight from Seattle to Belfast City Airport takes 13h 10m
There are no direct flights from Seattle to Belfast City Airport. There are no popular flight routes from Seattle to Belfast City Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Belfast City Airport

  • How far is Seattle/Tacoma Intl to Belfast City by plane?

    A flight from Seattle/Tacoma Intl to Belfast City will travel around 4463.4 mi. By plane, this route typically takes 13h 10m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Belfast City Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Belfast City Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Belfast City Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The necessary travel and health documents for your Belfast City Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor
Carrickfergus

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Belfast?

It is quick and easy to find Seattle to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Seattle to Belfast with flexible booking policies on momondo?

All flight searches from Seattle to Belfast on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Belfast?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Seattle.

I’m not ready to book a flight from Seattle to Belfast right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Belfast from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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