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>

$557 CHEAP FLIGHTS from Northern Ireland to Seattle

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Cheap Flights from Northern Ireland to Seattle

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Recent round-trip flight deals from Northern Ireland to Seattle

Sat, Apr 11 - Sat, Apr 18

7:00 am - 4:00 pm

BFS

SEA

17h 00m

2 stops

3:40 pm - 10:40 pm

SEA

BFS

23h 00m

3 stops

$909Multiple Airlines

Tue, Jun 9 - Sat, Jun 20

10:20 am - 8:40 pm

BHD

SEA

18h 20m

2 stops

5:40 pm - 9:20 am

SEA

BHD

31h 40m

1 stop

$992Multiple Airlines

Sat, Apr 11 - Sat, Apr 18

6:20 am - 4:00 pm

BFS

SEA

17h 40m

2 stops

6:15 pm - 10:40 pm

SEA

BFS

20h 25m

2 stops

$1,002Multiple Airlines

Tue, Jul 7 - Fri, Jul 17

5:30 pm - 11:15 am

BHD

SEA

25h 45m

2 stops

9:30 am - 9:20 am

SEA

BHD

15h 50m

2 stops

$1,042KLM

Tue, Jul 7 - Fri, Jul 17

9:40 am - 10:58 pm

BHD

SEA

21h 18m

2 stops

1:35 pm - 6:10 pm

SEA

BHD

20h 35m

1 stop

$1,052British Airways

Tue, Jun 9 - Sat, Jun 20

9:50 am - 11:37 am

BHD

SEA

33h 47m

1 stop

5:40 pm - 9:20 am

SEA

BHD

31h 40m

1 stop

$1,090Multiple Airlines

Tue, Jul 7 - Fri, Jul 17

5:30 pm - 11:33 am

BHD

SEA

26h 03m

1 stop

5:40 pm - 9:20 am

SEA

BHD

31h 40m

1 stop

$1,140Multiple Airlines

Tue, Jun 9 - Sat, Jun 20

7:30 pm - 5:10 pm

BHD

SEA

29h 40m

2 stops

7:10 pm - 8:55 pm

SEA

BHD

17h 45m

2 stops

$1,210Aer Lingus

Sat, Apr 11 - Sat, Apr 18

10:35 am - 9:53 pm

BFS

SEA

43h 18m

3 stops

3:40 pm - 10:40 pm

SEA

BFS

23h 00m

3 stops

$1,277Multiple Airlines

Useful Info

Cheapest flight	$557

Flight from Belfast Intl 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

Lakewood

Mukilteo

Westport

Lacey

Edmonds

Aberdeen

Poulsbo

Woodinville

Shoreline

DuPont

Monroe

Castle Rock

Edgewood

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Seattle (SEA)

$909 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

Recent one-way flight deals from Northern Ireland to Seattle

Good to know

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

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