When did momondo last update prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport?

Prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport are updated daily.

How old do you have to be to fly from Northern Ireland to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$806 Cheap Flights from Northern Ireland to Seattle in 2025/26

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Find the cheapest flights from Northern Ireland to Seattle

Round-trip

Cheap round-trip flights

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6:35 am - 11:35 amBHD-SEA

13h 00m1 stop

1:35 pm - 3:40 pmSEA-BHD

18h 05m1 stop

$817British Airways

Find Deal

Tue, Apr 21 - Mon, May 4

9:35 am - 9:12 pmBHD-SEA

19h 37m2 stops

1:35 pm - 7:35 pmSEA-BHD

22h 00m1 stop

$833British Airways

Find Deal

Tue, Apr 21 - Mon, May 4

6:30 am - 4:13 pmBHD-SEA

17h 43m2 stops

5:35 pm - 4:55 pmSEA-BHD

15h 20m1 stop

$841Multiple Airlines

Find Deal

Wed, Apr 22 - Mon, May 4

3:05 pm - 11:30 amBHD-SEA

28h 25m1 stop

3:35 pm - 10:30 amSEA-BHD

35h 55m2 stops

$854American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

11:05 am - 11:30 amBHD-SEA

32h 25m1 stop

7:00 am - 10:40 amSEA-BHD

20h 40m2 stops

$856American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:40 am - 11:30 amBHD-SEA

32h 50m1 stop

7:50 pm - 6:35 pmSEA-BHD

15h 45m1 stop

$860American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

6:30 am - 2:45 pmBHD-SEA

16h 15m2 stops

8:25 pm - 9:20 pmSEA-BHD

16h 55m2 stops

$909KLM

Find Deal

Wed, Apr 22 - Mon, May 4

8:55 pm - 11:35 amBFS-SEA

22h 40m1 stop

3:45 pm - 11:05 pmSEA-BFS

23h 20m2 stops

$916Multiple Airlines

Find Deal

Tue, Apr 21 - Mon, May 4

6:30 am - 3:50 pmBHD-SEA

17h 20m1 stop

2:05 pm - 4:55 pmSEA-BHD

18h 50m1 stop

$1,453Virgin Atlantic

Find Deal

Wed, Apr 22 - Mon, May 4

6:30 am - 10:25 pmBHD-SEA

23h 55m2 stops

5:35 pm - 4:55 pmSEA-BHD

15h 20m1 stop

$1,526Virgin Atlantic

Find Deal

Wed, Apr 22 - Mon, May 4

American Airlines flights from Northern Ireland to Seattle

Our best American Airlines deals on Northern Ireland to Seattle flight tickets

American Airlines

Mar 5

BHD3:05 pmBelfast City

28h 25m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Mar 9

SEA3:35 pmSeattle/Tacoma Intl

35h 55m

2 stops

BHD10:30 amBelfast City

$854

Find similar

American Airlines

Mar 5

BHD11:05 amBelfast City

32h 25m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Mar 9

SEA7:00 amSeattle/Tacoma Intl

20h 40m

2 stops

BHD10:40 amBelfast City

$856

Find similar

American Airlines

Mar 5

BHD10:40 amBelfast City

32h 50m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Mar 9

SEA7:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BHD6:35 pmBelfast City

$860

Find similar

British Airways flights from Northern Ireland to Seattle

Our best British Airways deals on Northern Ireland to Seattle flight tickets

British Airways

Apr 21

BHD6:35 amBelfast City

13h 00m

1 stop

SEA11:35 amSeattle/Tacoma Intl

May 4

SEA1:35 pmSeattle/Tacoma Intl

18h 05m

1 stop

BHD3:40 pmBelfast City

$817

Find similar

British Airways

Apr 21

BHD9:35 amBelfast City

19h 37m

2 stops

SEA9:12 pmSeattle/Tacoma Intl

May 4

SEA1:35 pmSeattle/Tacoma Intl

22h 00m

1 stop

BHD7:35 pmBelfast City

$833

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Tue 4/21

6:35 am-11:35 am

1 stop13h 00m

Seattle/Tacoma Intl

Mon 5/4

1:35 pm-3:40 pm

1 stop18h 05m

$817

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Tue 4/21

9:35 am-9:12 pm

2 stops19h 37m

Seattle/Tacoma Intl

Mon 5/4

1:35 pm-7:35 pm

1 stop22h 00m

$833

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/22

6:30 am-4:13 pm

2 stops17h 43m

Seattle/Tacoma Intl

Mon 5/4

5:35 pm-4:55 pm

1 stop15h 20m

$841

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

3:05 pm-11:30 am

1 stop28h 25m

Seattle/Tacoma Intl

Mon 3/9

3:35 pm-10:30 am

2 stops35h 55m

$854

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

11:05 am-11:30 am

1 stop32h 25m

Seattle/Tacoma Intl

Mon 3/9

7:00 am-10:40 am

2 stops20h 40m

$856

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

10:40 am-11:30 am

1 stop32h 50m

Seattle/Tacoma Intl

Mon 3/9

7:50 pm-6:35 pm

1 stop15h 45m

$860

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/22

6:30 am-2:45 pm

2 stops16h 15m

Seattle/Tacoma Intl

Mon 5/4

8:25 pm-9:20 pm

2 stops16h 55m

$909

BelfastSeattle

BFS - SEA

BFSSEA

Belfast Intl

Tue 4/21

8:55 pm-11:35 am

1 stop22h 40m

Seattle/Tacoma Intl

Mon 5/4

3:45 pm-11:05 pm

2 stops23h 20m

$916

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/22

6:30 am-3:50 pm

1 stop17h 20m

Seattle/Tacoma Intl

Mon 5/4

2:05 pm-4:55 pm

1 stop18h 50m

$1,453

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Wed 4/22

6:30 am-10:25 pm

2 stops23h 55m

Seattle/Tacoma Intl

Mon 5/4

5:35 pm-4:55 pm

1 stop15h 20m

$1,526

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Northern Ireland to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Northern Ireland to Seattle flights?

You could potentially save up to 8% on your flight if you consider stops on a Northern Ireland to Seattle flight.

Cheap Northern Ireland to Seattle flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Northern Ireland to Seattle

Direct flights	None

There are no direct flights from Northern Ireland to Seattle. There are no popular flight routes from Northern Ireland to Seattle.

Search flight deals

When did momondo last update prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport?
Prices for flights from Northern Ireland to Seattle/Tacoma Intl Airport are updated daily.
How old do you have to be to fly from Northern Ireland to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Northern Ireland to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Redmond

Tukwila

Lakewood

Federal Way

Fife

Cle Elum

Centralia

Kirkland

Westport

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Northern Ireland to Seattle?

Finding the right flight to Seattle from Northern Ireland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

Can I find flights from Northern Ireland to Seattle with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Northern Ireland to Seattle flights to just show those with flexible booking policies.

How can momondo help me find flights from Northern Ireland to Seattle?

Once all potential Northern Ireland to Seattle flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Northern Ireland to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Northern Ireland and alert you when they change.