$787 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 5/11. 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
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
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 round-trip 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 round-trip flight deals from Seattle to Northern Ireland

Fri, May 15 - Fri, May 22
Scandinavian Airlines Logo
1:45 pm - 4:55 pm
SEA
-
BHD
19h 10m
1 stop
Scandinavian Airlines Logo
9:50 am - 4:30 pm
BHD
-
SEA
14h 40m
1 stop
$787Scandinavian Airlines
Tue, May 26 - Wed, Jun 3
British Airways Logo
8:20 pm - 7:40 pm
SEA
-
BHD
15h 20m
1 stop
British Airways Logo
6:30 am - 11:35 am
BHD
-
SEA
13h 05m
1 stop
$803British Airways
Tue, May 26 - Wed, Jun 3
British Airways Logo
8:00 am - 10:45 am
SEA
-
BHD
18h 45m
2 stops
British Airways Logo
4:05 pm - 11:35 am
BHD
-
SEA
27h 30m
1 stop
$814British Airways
Tue, May 26 - Wed, Jun 3
British Airways Logo
8:00 am - 10:45 am
SEA
-
BHD
18h 45m
2 stops
British Airways Logo
10:05 am - 8:31 pm
BHD
-
SEA
18h 26m
2 stops
$847British Airways
Sat, Mar 7 - Tue, Mar 17
Delta Logo
3:05 pm - 9:00 pm
SEA
-
BHD
21h 55m
1 stop
Delta Logo
6:30 am - 12:35 pm
BHD
-
SEA
13h 05m
1 stop
$849Delta
Sat, Mar 7 - Tue, Mar 17
Delta Logo
7:10 am - 4:50 pm
SEA
-
BHD
25h 40m
2 stops
Delta Logo
6:30 am - 12:35 pm
BHD
-
SEA
13h 05m
1 stop
$854Delta
Sun, Mar 29 - Sun, Apr 5
Multiple Airlines Logo
6:50 pm - 9:30 pm
SEA
-
BFS
18h 40m
2 stops
Multiple Airlines Logo
7:10 am - 4:59 pm
BFS
-
SEA
17h 49m
2 stops
$855Multiple Airlines
Sat, Mar 7 - Tue, Mar 17
British Airways Logo
1:35 pm - 2:15 pm
SEA
-
BHD
16h 40m
1 stop
British Airways Logo
6:35 am - 12:30 pm
BHD
-
SEA
12h 55m
1 stop
$858British Airways
Sun, Mar 29 - Sun, Apr 5
Multiple Airlines Logo
8:00 am - 9:30 pm
SEA
-
BFS
29h 30m
3 stops
Multiple Airlines Logo
10:55 am - 12:20 pm
BFS
-
SEA
33h 25m
3 stops
$863Multiple Airlines
Sat, Mar 7 - Wed, Mar 18
Delta Logo
7:10 am - 4:50 pm
SEA
-
BHD
25h 40m
2 stops
Delta Logo
6:30 am - 5:09 pm
BHD
-
SEA
17h 39m
2 stops
$864Delta
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.

Which airlines provide the cheapest flights from Seattle to Northern Ireland?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Seattle to Northern Ireland were found on Scandinavian Airlines ($787) and British Airways ($803).

Good to know

Cheapest flight$251
Flight from Seattle to Belfast City Airport

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 travelers 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 round-trip 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