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

Prices for flights from Belfast City Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Belfast City Airport 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 Belfast City Airport to Seattle/Tacoma Intl Airport.

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

The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$837 Cheap Flights from Belfast City Airport to Seattle in 2025/26

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Find the cheapest flights from Belfast City Airport to Seattle

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6:35 am - 4:55 pmBHD-SEA

18h 20m1 stop

7:50 pm - 6:35 pmSEA-BHD

15h 45m1 stop

$873American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

9:05 am - 11:30 amBHD-SEA

34h 25m1 stop

1:48 pm - 2:15 pmSEA-BHD

17h 27m2 stops

$876American 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

$879American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:40 am - 11:07 pmBHD-SEA

20h 27m2 stops

7:00 am - 6:35 pmSEA-BHD

28h 35m2 stops

$882American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

10:40 am - 11:07 pmBHD-SEA

20h 27m2 stops

7:00 am - 6:35 pmSEA-BHD

28h 35m2 stops

$884American Airlines

Find Deal

Thu, Mar 5 - Mon, Mar 9

American Airlines flights from Belfast City Airport to Seattle

Our best American Airlines deals on Belfast City Airport to Seattle flight tickets

American Airlines

Mar 5

BHD6:35 amBelfast City

18h 20m

1 stop

SEA4:55 pmSeattle/Tacoma Intl

Mar 9

SEA7:50 pmSeattle/Tacoma Intl

15h 45m

1 stop

BHD6:35 pmBelfast City

$873

Find similar

American Airlines

Mar 5

BHD9:05 amBelfast City

34h 25m

1 stop

SEA11:30 amSeattle/Tacoma Intl

Mar 9

SEA1:48 pmSeattle/Tacoma Intl

17h 27m

2 stops

BHD2:15 pmBelfast City

$876

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

$879

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Belfast City Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

6:35 am-4:55 pm

1 stop18h 20m

Seattle/Tacoma Intl

Mon 3/9

7:50 pm-6:35 pm

1 stop15h 45m

$873

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

9:05 am-11:30 am

1 stop34h 25m

Seattle/Tacoma Intl

Mon 3/9

1:48 pm-2:15 pm

2 stops17h 27m

$876

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

$879

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

10:40 am-11:07 pm

2 stops20h 27m

Seattle/Tacoma Intl

Mon 3/9

7:00 am-6:35 pm

2 stops28h 35m

$882

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Thu 3/5

10:40 am-11:07 pm

2 stops20h 27m

Seattle/Tacoma Intl

Mon 3/9

7:00 am-6:35 pm

2 stops28h 35m

$884

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Belfast City Airport 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 Belfast City Airport to Seattle flights?

You could potentially save up to 8% on your flight if you consider stops on a Belfast City Airport to Seattle flight.

When to book flights from Belfast City Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Belfast City Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Belfast City Airport to Seattle (BHD to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Belfast City Airport to Seattle

Direct flights	None

There are no direct flights from Belfast City Airport to Seattle. There are no popular flight routes from Belfast City Airport to Seattle.

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How far is Belfast City to Seattle/Tacoma Intl by plane?
There are 4463.4 mi between Belfast City and Seattle/Tacoma Intl. 18h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Belfast City Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Belfast City Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Belfast City Airport 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 Belfast City Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Federal Way

Tukwila

Kirkland

Fife

Centralia

Lakewood

Shoreline

Cle Elum

Redmond

Westport

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Belfast.

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

Yes. momondo enables you to select and highlight flights to Seattle from Belfast with this policy.

How can momondo help me find flights from Belfast to Seattle?

momondo provides multiple filters to help you find the best flight to Seattle from Belfast. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Belfast to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.