$214 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 4/12. 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 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

Mon, Mar 23 - Fri, Mar 27
British Airways Logo
7:50 pm - 6:35 pm
SEA
-
BHD
15h 45m1 stop
British Airways Logo
6:45 am - 12:30 pm
BHD
-
SEA
12h 45m1 stop
$645British Airways
Sat, Mar 7 - Tue, Mar 17
Delta Logo
3:05 pm - 9:00 pm
SEA
-
BHD
21h 55m1 stop
Delta Logo
6:30 am - 12:35 pm
BHD
-
SEA
13h 05m1 stop
$646Delta
Sat, Mar 7 - Tue, Mar 17
Delta Logo
3:05 pm - 9:00 pm
SEA
-
BHD
21h 55m1 stop
Delta Logo
6:30 am - 7:05 pm
BHD
-
SEA
19h 35m2 stops
$656Delta
Wed, Apr 1 - Wed, Apr 8
KLM Logo
5:30 pm - 4:55 pm
SEA
-
BHD
15h 25m1 stop
KLM Logo
5:30 pm - 4:30 pm
BHD
-
SEA
31h 00m1 stop
$660KLM
Mon, Mar 23 - Fri, Mar 27
British Airways Logo
7:50 pm - 4:05 pm
SEA
-
BHD
13h 15m1 stop
British Airways Logo
6:45 am - 12:30 pm
BHD
-
SEA
12h 45m1 stop
$669British Airways
Wed, Apr 1 - Wed, Apr 8
KLM Logo
5:30 pm - 4:55 pm
SEA
-
BHD
15h 25m1 stop
KLM Logo
9:50 am - 12:03 am
BHD
-
SEA
22h 13m2 stops
$670KLM
Mon, Mar 23 - Fri, Mar 27
Multiple Airlines Logo
6:44 am - 10:40 am
SEA
-
BHD
20h 56m2 stops
Multiple Airlines Logo
6:45 am - 12:30 pm
BHD
-
SEA
12h 45m1 stop
$676Multiple Airlines
Mon, Mar 23 - Fri, Mar 27
British Airways Logo
1:37 pm - 4:05 pm
SEA
-
BHD
19h 28m2 stops
British Airways Logo
6:45 am - 12:30 pm
BHD
-
SEA
12h 45m1 stop
$691British Airways
Wed, Apr 1 - Wed, Apr 8
British Airways Logo
7:15 am - 11:55 am
SEA
-
BHD
20h 40m2 stops
British Airways Logo
6:50 am - 9:46 pm
BHD
-
SEA
22h 56m2 stops
$711British Airways
Sat, Mar 7 - Tue, Mar 17
Delta Logo
7:30 am - 4:50 pm
SEA
-
BHD
25h 20m2 stops
Delta Logo
6:30 am - 7:48 pm
BHD
-
SEA
20h 18m2 stops
$761Delta
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 13h 45m.

Find deals

Good to know

Low seasonApril
Cheapest flight$214
Best time to beat the crowds with an average 22% drop in price.
Most popular time to fly and prices are also 2% lower on average.
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.

  • What is the cheapest time of day to fly to Northern Ireland?

    The cheapest time of day to fly to Northern Ireland is generally in the afternoon, when round-trip flights cost $794 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Northern Ireland is generally in the evening, which is peak travel time and where the average cost of a ticket is $1,000.

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

Information on your arrival and departure airports

Seattle (SEA)