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>

$379 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

Last minute

Recent round-trip flight deals from Northern Ireland to Seattle

Wed, Apr 15 - Wed, Apr 22

10:05 am - 10:38 pm

BHD

SEA

20h 33m

2 stops

1:35 pm - 12:00 pm

SEA

BHD

14h 25m

1 stop

$872Multiple Airlines

Wed, Apr 15 - Wed, Apr 22

9:50 am - 11:59 pm

BHD

SEA

22h 09m

2 stops

6:00 am - 9:20 am

SEA

BHD

19h 20m

2 stops

$874Delta

Wed, Apr 15 - Wed, Apr 22

6:30 am - 11:35 am

BHD

SEA

13h 05m

1 stop

1:35 pm - 1:35 pm

SEA

BHD

16h 00m

1 stop

$881British Airways

Mon, Mar 16 - Mon, Mar 23

7:25 pm - 12:30 pm

BHD

SEA

24h 05m

1 stop

1:37 pm - 4:05 pm

SEA

BHD

19h 28m

2 stops

$891British Airways

Mon, Mar 16 - Mon, Mar 23

5:45 pm - 12:30 pm

BHD

SEA

25h 45m

1 stop

7:50 pm - 4:05 pm

SEA

BHD

13h 15m

1 stop

$897British Airways

Mon, Mar 16 - Mon, Mar 23

7:25 pm - 12:24 am

BHD

SEA

35h 59m

2 stops

7:21 am - 4:05 pm

SEA

BHD

25h 44m

2 stops

$908British Airways

Mon, Mar 16 - Mon, Mar 23

2:40 pm - 2:19 pm

BFS

SEA

54h 39m

2 stops

11:15 pm - 10:45 am

SEA

BFS

28h 30m

1 stop

$1,033Multiple Airlines

Mon, Mar 16 - Mon, Mar 23

8:50 pm - 1:10 pm

BFS

SEA

23h 20m

2 stops

3:00 pm - 7:05 pm

SEA

BFS

21h 05m

2 stops

$1,109Multiple Airlines

Fri, Apr 3 - Fri, Apr 10

5:30 pm - 10:28 am

BHD

SEA

48h 58m

2 stops

6:25 pm - 9:20 am

SEA

BHD

30h 55m

2 stops

$1,268KLM

Fri, Apr 3 - Fri, Apr 10

5:30 pm - 4:30 pm

BHD

SEA

31h 00m

1 stop

5:35 pm - 9:20 am

SEA

BHD

31h 45m

1 stop

$1,456KLM

Useful Info

Cheapest flight	$379

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

Westport

Mukilteo

Lacey

Aberdeen

Edmonds

Poulsbo

Woodinville

Shoreline

DuPont

Monroe

Castle Rock

Edgewood

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Seattle (SEA)

$379 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

Recent last minute 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

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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Choose which airport to fly into in Seattle

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