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Cheap flights from Seattle to Northern Ireland from £235

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Northern Ireland departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

These are some of the best return flight deals from Seattle to Northern Ireland that have been recently found on momondo from popular airlines, departing in the coming months.
American Airlines Logo
14:35 - 10:30SEA-BHD
12h 55m1 stop
American Airlines Logo
06:35 - 11:20BHD-SEA
12h 45m1 stop
£513American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
British Airways Logo
13:30 - 13:00SEA-BHD
15h 30m1 stop
British Airways Logo
09:30 - 18:20BHD-SEA
16h 50m1 stop
£515British Airways
Find Deal
Tue, 19 Aug - Fri, 29 Aug
American Airlines Logo
15:13 - 14:55SEA-BHD
16h 42m2 stops
American Airlines Logo
09:55 - 16:55BHD-SEA
15h 00m1 stop
£516American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
British Airways Logo
10:40 - 10:35SEA-BHD
15h 55m2 stops
British Airways Logo
06:35 - 18:20BHD-SEA
19h 45m1 stop
£519British Airways
Find Deal
Tue, 19 Aug - Fri, 29 Aug
American Airlines Logo
15:13 - 14:55SEA-BHD
16h 42m2 stops
American Airlines Logo
11:30 - 23:15BHD-SEA
19h 45m2 stops
£524American Airlines
Find Deal
Tue, 28 Oct - Tue, 4 Nov
 Logo
15:45 - 15:00SEA-BFS
15h 15m2 stops
 Logo
09:00 - 17:50BFS-SEA
16h 50m2 stops
Tue, 10 Jun - Tue, 17 Jun
 Logo
07:05 - 18:35SEA-BFS
27h 30m2 stops
 Logo
17:05 - 22:16BFS-SEA
37h 11m3 stops
Wed, 11 Jun - Wed, 18 Jun
Aer Lingus Logo
19:35 - 14:45SEA-BHD
35h 10m2 stops
Aer Lingus Logo
18:00 - 17:50BHD-SEA
31h 50m2 stops
£860Aer Lingus
Find Deal
Sat, 31 May - Fri, 6 Jun
KLM Logo
17:35 - 16:55SEA-BHD
15h 20m1 stop
KLM Logo
17:25 - 15:55BHD-SEA
30h 30m1 stop
£1,109KLM
Find Deal
Sat, 14 Jun - Sat, 21 Jun
KLM Logo
17:35 - 16:55SEA-BHD
15h 20m1 stop
KLM Logo
17:25 - 11:40BHD-SEA
26h 15m1 stop
£1,113KLM
Find Deal
Sat, 14 Jun - Sat, 21 Jun

British Airways flights from Seattle to Northern Ireland

Our best British Airways deals on Seattle to Northern Ireland flight tickets
British Airways
19 Aug
SEA13:30Seattle/Tacoma Intl
15h 30m
1 stop
BHD13:00Belfast City
29 Aug
BHD09:30Belfast City
16h 50m
1 stop
SEA18:20Seattle/Tacoma Intl
British Airways
19 Aug
SEA10:40Seattle/Tacoma Intl
15h 55m
2 stops
BHD10:35Belfast City
29 Aug
BHD06:35Belfast City
19h 45m
1 stop
SEA18:20Seattle/Tacoma Intl
British Airways
19 Aug
SEA10:40Seattle/Tacoma Intl
20h 40m
2 stops
BHD15:20Belfast City
29 Aug
BHD06:35Belfast City
25h 15m
2 stops
SEA23:50Seattle/Tacoma Intl

American Airlines flights from Seattle to Northern Ireland

Our best American Airlines deals on Seattle to Northern Ireland flight tickets
American Airlines
28 Oct
SEA14:35Seattle/Tacoma Intl
12h 55m
1 stop
BHD10:30Belfast City
4 Nov
BHD06:35Belfast City
12h 45m
1 stop
SEA11:20Seattle/Tacoma Intl
American Airlines
28 Oct
SEA15:13Seattle/Tacoma Intl
16h 42m
2 stops
BHD14:55Belfast City
4 Nov
BHD09:55Belfast City
15h 00m
1 stop
SEA16:55Seattle/Tacoma Intl
American Airlines
28 Oct
SEA15:13Seattle/Tacoma Intl
16h 42m
2 stops
BHD14:55Belfast City
4 Nov
BHD11:30Belfast City
19h 45m
2 stops
SEA23:15Seattle/Tacoma Intl

See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Seattle to Northern Ireland

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 Northern Ireland?

American Airlines and British Airways are the most popular carriers operating from Seattle/Tacoma Intl to Northern Ireland

Cheap Seattle to Northern Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Northern Ireland

Best price found

£235

Fastest flight time

12h 55m

Direct flights

None

Airports in Northern Ireland

2 airports
The best one-way flight to Northern Ireland from Seattle in the past 72 hours is £235. The best return flight deal from Seattle to Northern Ireland found on momondo in the last 72 hours is £513.
The fastest flight from Seattle to Northern Ireland takes 12h 55m
There are no direct flights from Seattle to Northern Ireland. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Belfast Intl Airport and Seattle/Tacoma Intl Airport - Belfast City Airport.
There are 2 airports near Northern Ireland: Belfast Intl (BFS), Belfast City (BHD)

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

    Prices for flights from Seattle/Tacoma Intl Airport to Northern Ireland were last updated today.

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

    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 Northern Ireland.

  • What documentation or ID do you need to fly to Northern Ireland?

    The travel and health documents required for your trip to Northern Ireland can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Northern Ireland. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Why use momondo?

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

It is quick and easy to find Seattle to Northern Ireland 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 Northern Ireland that suits you.

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

Yes. All flights to Northern Ireland from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Northern Ireland?

Once all potential Seattle to Northern Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Seattle to Northern Ireland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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1 adult
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Popular Cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo