$362 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 2/18. 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 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

Sat, Mar 7 - Wed, Mar 18
British Airways Logo
6:50 pm - 4:45 pm
SEA
-
BHD
13h 55m
1 stop
British Airways Logo
9:15 am - 5:55 pm
BHD
-
SEA
15h 40m
1 stop
$624British Airways
Sat, Mar 7 - Wed, Mar 18
British Airways Logo
6:50 pm - 7:40 pm
SEA
-
BHD
16h 50m
1 stop
British Airways Logo
11:25 am - 5:55 pm
BHD
-
SEA
13h 30m
1 stop
$625British Airways
Sat, Mar 7 - Tue, Mar 17
British Airways Logo
1:35 pm - 2:15 pm
SEA
-
BHD
16h 40m
1 stop
British Airways Logo
11:25 am - 5:55 pm
BHD
-
SEA
13h 30m
1 stop
$626British Airways
Sat, Mar 7 - Tue, Mar 17
British Airways Logo
6:50 pm - 7:40 pm
SEA
-
BHD
16h 50m
1 stop
British Airways Logo
6:35 am - 11:04 pm
BHD
-
SEA
23h 29m
2 stops
$630British Airways
Sat, Mar 7 - Tue, Mar 17
British Airways Logo
6:50 pm - 7:40 pm
SEA
-
BHD
16h 50m
1 stop
British Airways Logo
6:35 am - 11:04 pm
BHD
-
SEA
23h 29m
2 stops
$631British Airways
Sat, Mar 7 - Wed, Mar 18
British Airways Logo
6:50 pm - 7:40 pm
SEA
-
BHD
16h 50m
1 stop
British Airways Logo
11:25 am - 12:24 am
BHD
-
SEA
19h 59m
2 stops
$639British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:50 pm - 7:30 am
SEA
-
BHD
28h 40m
1 stop
British Airways Logo
3:10 pm - 5:55 pm
BHD
-
SEA
33h 45m
1 stop
$640British Airways
Sat, Mar 7 - Wed, Mar 18
British Airways Logo
1:35 pm - 2:15 pm
SEA
-
BHD
16h 40m
1 stop
British Airways Logo
11:25 am - 12:24 am
BHD
-
SEA
19h 59m
2 stops
$641British Airways
Sat, Mar 7 - Tue, Mar 17
Multiple Airlines Logo
7:55 am - 9:10 am
SEA
-
BHD
17h 15m
2 stops
Multiple Airlines Logo
8:45 am - 9:06 pm
BHD
-
SEA
19h 21m
2 stops
$750Multiple Airlines
Sat, Mar 7 - Sat, Mar 14
Multiple Airlines Logo
2:00 pm - 10:40 pm
SEA
-
BFS
24h 40m
2 stops
Multiple Airlines Logo
6:25 am - 4:40 pm
BFS
-
SEA
17h 15m
2 stops
$1,034Multiple Airlines
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 35m.

Find deals

Good to know

Low seasonApril
Cheapest flight$362
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 9% lower on average.
Flight from Seattle to Belfast Intl 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

Seattle (SEA)