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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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 round-trip ticket. You could then fly to Seattle with an airline and back to Northern Ireland with another airline. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$727 CHEAP FLIGHTS from Northern Ireland to Seattle

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Cheap Flights from Northern Ireland to Seattle

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip 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.

Round-trip

Recent round-trip flight deals from Northern Ireland to Seattle

Tue, Mar 17 - Tue, Mar 24

8:45 am - 6:00 pmBHD-SEA

40h 15m2 stops

3:35 pm - 2:50 pmSEA-BHD

16h 15m2 stops

$727Multiple Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

7:15 am - 5:00 pmBFS-SEA

17h 45m2 stops

2:35 pm - 5:55 pmSEA-BFS

19h 20m2 stops

$784Multiple Airlines

Find Deal

Tue, Mar 17 - Tue, Mar 24

6:30 am - 6:00 pmBFS-SEA

18h 30m2 stops

3:35 pm - 5:55 pmSEA-BFS

19h 20m2 stops

$807Multiple Airlines

Find Deal

Tue, Mar 17 - Tue, Mar 24

11:25 am - 5:55 pmBHD-SEA

13h 30m1 stop

2:25 pm - 11:30 amSEA-BHD

14h 05m1 stop

$810British Airways

Find Deal

Tue, Mar 17 - Tue, Mar 24

10:00 am - 11:08 pmBHD-SEA

20h 08m2 stops

7:50 pm - 6:40 pmSEA-BHD

15h 50m1 stop

$816British Airways

Find Deal

Tue, Nov 11 - Tue, Nov 18

7:20 am - 5:00 pmBHD-SEA

17h 40m2 stops

2:35 pm - 8:30 pmSEA-BHD

21h 55m2 stops

$821Multiple Airlines

Find Deal

Tue, Nov 11 - Tue, Nov 18

6:30 am - 11:45 amBHD-SEA

13h 15m1 stop

9:28 am - 4:50 pmSEA-BHD

23h 22m2 stops

$830Delta

Find Deal

Mon, Nov 17 - Mon, Nov 24

6:30 am - 3:35 pmBHD-SEA

17h 05m2 stops

9:43 am - 4:50 pmSEA-BHD

23h 07m2 stops

$835Delta

Find Deal

Mon, Nov 17 - Sun, Nov 23

9:15 am - 11:18 pmBHD-SEA

22h 03m2 stops

12:59 am - 2:15 pmSEA-BHD

29h 16m2 stops

$851American Airlines

Find Deal

Mon, Nov 17 - Mon, Nov 24

9:15 am - 8:35 pmBHD-SEA

19h 20m2 stops

6:50 pm - 8:15 pmSEA-BHD

17h 25m1 stop

$866American Airlines

Find Deal

Cheapest round-trip

$727

Multiple Airlines

Tue 3/17Tue 3/24

BHD - SEA • 2 stops

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Seattle!

Useful Info

Cheapest flight	$727

Flight from Belfast City Airport 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 round-trip 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.

Lynnwood

Centralia

Fife

Westport

Mukilteo

Lakewood

Lacey

Woodinville

Aberdeen

Poulsbo

Edmonds

Shoreline

DuPont

Monroe

Castle Rock

Edgewood

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Seattle (SEA)

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$727 Find Cheap Flights from Northern Ireland to Seattle

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

Cheap Flights from Northern Ireland to Seattle

Recent round-trip flight deals from Northern Ireland to Seattle

Everything you should know

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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 round-trip 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.

Traveling to a place near Seattle?

Everything you need to know for your flight to Seattle

Information on the airport you'll fly into in Seattle

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Complete your trip to Seattle with a hotel stay or car rental

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