£452 Find Cheap Flights from Seattle to Northern Ireland

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Northern Ireland departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Northern Ireland

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Northern Ireland, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Northern Ireland, as well as popular online travel agencies
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Flight Deals

Book Cheap Seattle to Northern Ireland Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Seattle to Northern Ireland that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Seattle to Northern Ireland

Wed, 25 Feb - Wed, 11 Mar
British Airways Logo
18:50 - 16:35SEA-BHD
13h 45m1 stop
British Airways Logo
06:35 - 17:55BHD-SEA
18h 20m1 stop
£416British Airways
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Sun, 11 Jan - Mon, 26 Jan
British Airways Logo
18:50 - 18:40SEA-BHD
15h 50m1 stop
British Airways Logo
19:25 - 11:30BHD-SEA
24h 05m1 stop
£423British Airways
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Sun, 22 Feb - Mon, 9 Mar
British Airways Logo
18:50 - 16:50SEA-BHD
14h 00m1 stop
British Airways Logo
14:40 - 12:30BHD-SEA
28h 50m1 stop
£433British Airways
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Wed, 25 Feb - Wed, 11 Mar
British Airways Logo
18:50 - 16:35SEA-BHD
13h 45m1 stop
British Airways Logo
06:35 - 23:33BHD-SEA
23h 58m2 stops
£435British Airways
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Wed, 25 Feb - Wed, 11 Mar
British Airways Logo
13:23 - 14:15SEA-BHD
16h 52m2 stops
British Airways Logo
11:25 - 00:55BHD-SEA
20h 30m2 stops
£444British Airways
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Tue, 24 Feb - Tue, 10 Mar
British Airways Logo
07:15 - 10:30SEA-BHD
19h 15m2 stops
British Airways Logo
06:35 - 12:30BHD-SEA
12h 55m1 stop
£446British Airways
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Sun, 11 Jan - Mon, 26 Jan
British Airways Logo
11:55 - 18:40SEA-BHD
22h 45m2 stops
British Airways Logo
19:25 - 11:30BHD-SEA
24h 05m1 stop
£447British Airways
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Thu, 26 Feb - Fri, 13 Mar
British Airways Logo
18:50 - 16:40SEA-BHD
13h 50m1 stop
British Airways Logo
06:45 - 12:30BHD-SEA
12h 45m1 stop
£452British Airways
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Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
14:35 - 15:10SEA-BFS
16h 35m2 stops
Multiple Airlines Logo
08:05 - 17:00BFS-SEA
16h 55m2 stops
£551Multiple Airlines
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Fri, 16 Jan - Fri, 23 Jan
Multiple Airlines Logo
15:10 - 23:50SEA-BFS
24h 40m3 stops
Multiple Airlines Logo
06:30 - 08:07BFS-SEA
33h 37m3 stops
£654Multiple Airlines
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Booking Insights

KAYAK's insights & trends for Seattle to Northern Ireland flights

Get data-powered insights and trends into flights from Seattle to Northern Ireland to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Seattle to Northern Ireland take?

The duration of a flight to Northern Ireland depends on your arrival airport. The shortest route to Northern Ireland from Seattle is to Belfast, which takes 12h 55m.

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Good to know - Cheap tickets from Seattle to Northern Ireland

Low seasonMarch
Best time to beat the crowds (25% less expensive on average)
Most popular time to fly and prices are also 25% lower on average.

FAQs - booking Northern Ireland flights

  • How does KAYAK find such low prices on flights from Seattle to Northern Ireland?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Northern Ireland.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Northern Ireland?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Seattle to Northern Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Northern Ireland?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Seattle to Northern Ireland with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Northern Ireland?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Seattle to Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Seattle to Northern Ireland

Information on your arrival and departure airports

Seattle (SEA)