SEA

£443 Find Cheap Flights from Northern Ireland to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Seattle departing on 23/7. 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

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Everything you should know

Cheapest return fare
£531
British Airways
Sat 7/3Mon 9/3
BHD - SEA • 1 stop
Cheapest one-way flight
£443
Multiple Airlines
Thu 23/7
BFS - SEA • 2 stops
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Northern Ireland to Seattle

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Northern Ireland to Seattle 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 Northern Ireland to Seattle

Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 11:30
BHD
-
SEA
12h 55m
1 stop
British Airways Logo
19:50 - 18:35
SEA
-
BHD
15h 45m
1 stop
£531British Airways
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 23:04
BHD
-
SEA
24h 29m
2 stops
British Airways Logo
19:50 - 18:35
SEA
-
BHD
15h 45m
1 stop
£534British Airways
Sat, 7 Mar - Mon, 9 Mar
British Airways Logo
06:35 - 23:04
BHD
-
SEA
24h 29m
2 stops
British Airways Logo
13:37 - 20:15
SEA
-
BHD
23h 38m
2 stops
£542British Airways
Fri, 13 Mar - Fri, 20 Mar
Multiple Airlines Logo
06:30 - 22:16
BFS
-
SEA
22h 46m
2 stops
Multiple Airlines Logo
16:10 - 22:00
SEA
-
BFS
22h 50m
2 stops
£877Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar
Multiple Airlines Logo
06:30 - 22:16
BFS
-
SEA
22h 46m
2 stops
Multiple Airlines Logo
08:00 - 15:10
SEA
-
BFS
24h 10m
3 stops
£893Multiple Airlines
Fri, 13 Mar - Fri, 20 Mar
Multiple Airlines Logo
14:30 - 16:40
BFS
-
SEA
33h 10m
3 stops
Multiple Airlines Logo
08:00 - 15:10
SEA
-
BFS
24h 10m
3 stops
£920Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
06:30 - 18:00
BFS
-
SEA
18h 30m
2 stops
Multiple Airlines Logo
08:10 - 14:35
SEA
-
BFS
23h 25m
3 stops
£940Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
06:30 - 18:00
BFS
-
SEA
18h 30m
2 stops
Multiple Airlines Logo
15:00 - 20:25
SEA
-
BFS
22h 25m
2 stops
£958Multiple Airlines
Thu, 12 Mar - Thu, 19 Mar
Multiple Airlines Logo
21:40 - 18:00
BFS
-
SEA
27h 20m
3 stops
Multiple Airlines Logo
05:50 - 13:40
SEA
-
BFS
24h 50m
3 stops
£1,064Multiple Airlines
Useful Info

Good to know - Cheap tickets from Northern Ireland to Seattle

Low seasonJanuary
Cheapest flight£443
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly (15% more expensive on average)
Flight from Belfast Intl Airport to Seattle

FAQs for booking flights from Northern Ireland to Seattle

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

    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 Northern Ireland to Seattle.

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

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

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

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

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

    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 to Seattle from Northern Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Bothell
Kent
Kirkland
Ashford
Olympia
Federal Way
Issaquah
Marysville
Lynnwood
Mukilteo
Renton
Redmond
Lacey
Ellensburg
Tukwila
Gig Harbor
Aberdeen
Bainbridge Island
Puyallup

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

Seattle (SEA)