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.

$391 Cheap Flights from Belfast City Airport to Seattle in 2025

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Belfast City Airport to Seattle

Round-trip

One-way

Cheap round-trip flights

6:40 am - 11:35 amBHD-SEA

12h 55m1 stop

1:30 pm - 11:55 amSEA-BHD

14h 25m1 stop

$744British Airways

Find Deal

Mon, Sep 15 - Wed, Sep 24

6:40 am - 11:35 amBHD-SEA

12h 55m1 stop

1:30 pm - 6:40 pmSEA-BHD

21h 10m1 stop

$764British Airways

Find Deal

Mon, Sep 15 - Wed, Sep 24

6:40 am - 11:35 amBHD-SEA

12h 55m1 stop

1:30 pm - 6:40 pmSEA-BHD

21h 10m1 stop

$766British Airways

Find Deal

Mon, Sep 15 - Wed, Sep 24

7:30 pm - 11:10 amBHD-SEA

23h 40m1 stop

10:11 am - 11:55 amSEA-BHD

17h 44m2 stops

$767British Airways

Find Deal

Mon, Sep 15 - Wed, Sep 24

6:35 am - 11:10 amBHD-SEA

12h 35m1 stop

1:30 pm - 10:35 amSEA-BHD

13h 05m1 stop

$775British Airways

Find Deal

Tue, Sep 9 - Tue, Sep 16

6:30 am - 7:00 pmBHD-SEA

20h 30m2 stops

1:55 pm - 4:55 pmSEA-BHD

19h 00m1 stop

$776Delta

Find Deal

Tue, Sep 9 - Tue, Sep 16

6:40 am - 7:09 pmBHD-SEA

20h 29m2 stops

1:30 pm - 11:55 amSEA-BHD

14h 25m1 stop

$779British Airways

Find Deal

Mon, Sep 15 - Wed, Sep 24

7:30 pm - 8:09 pmBHD-SEA

32h 39m2 stops

10:11 am - 11:55 amSEA-BHD

17h 44m2 stops

$780British Airways

Find Deal

Mon, Sep 15 - Wed, Sep 24

6:30 am - 7:00 pmBHD-SEA

20h 30m2 stops

9:40 am - 4:55 pmSEA-BHD

23h 15m2 stops

$782Delta

Find Deal

Tue, Sep 9 - Tue, Sep 16

6:40 am - 9:23 pmBHD-SEA

22h 43m2 stops

6:05 am - 11:55 amSEA-BHD

21h 50m2 stops

$986Iberia

Find Deal

Mon, Sep 15 - Wed, Sep 24

Delta flights from Belfast City Airport to Seattle

Our best Delta deals on Belfast City Airport to Seattle flight tickets

Delta

Sep 9

BHD6:30 amBelfast City

20h 30m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Sep 16

SEA1:55 pmSeattle/Tacoma Intl

19h 00m

1 stop

BHD4:55 pmBelfast City

$776

Find similar

Delta

Sep 9

BHD6:30 amBelfast City

20h 30m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Sep 16

SEA9:40 amSeattle/Tacoma Intl

23h 15m

2 stops

BHD4:55 pmBelfast City

$782

Find similar

British Airways flights from Belfast City Airport to Seattle

Our best British Airways deals on Belfast City Airport to Seattle flight tickets

British Airways

Sep 15

BHD6:40 amBelfast City

12h 55m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Sep 24

SEA1:30 pmSeattle/Tacoma Intl

14h 25m

1 stop

BHD11:55 amBelfast City

$744

Find similar

British Airways

Sep 15

BHD6:40 amBelfast City

12h 55m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Sep 24

SEA1:30 pmSeattle/Tacoma Intl

21h 10m

1 stop

BHD6:40 pmBelfast City

$764

Find similar

British Airways

Sep 15

BHD6:40 amBelfast City

12h 55m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Sep 24

SEA1:30 pmSeattle/Tacoma Intl

21h 10m

1 stop

BHD6:40 pmBelfast City

$766

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

Mon 9/15

6:40 am-11:35 am

1 stop12h 55m

Seattle/Tacoma Intl

Wed 9/24

1:30 pm-11:55 am

1 stop14h 25m

$744

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Mon 9/15

6:40 am-11:35 am

1 stop12h 55m

Seattle/Tacoma Intl

Wed 9/24

1:30 pm-6:40 pm

1 stop21h 10m

$764

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Mon 9/15

6:40 am-11:35 am

1 stop12h 55m

Seattle/Tacoma Intl

Wed 9/24

1:30 pm-6:40 pm

1 stop21h 10m

$766

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Mon 9/15

7:30 pm-11:10 am

1 stop23h 40m

Seattle/Tacoma Intl

Wed 9/24

10:11 am-11:55 am

2 stops17h 44m

$767

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Tue 9/9

6:35 am-11:10 am

1 stop12h 35m

Seattle/Tacoma Intl

Tue 9/16

1:30 pm-10:35 am

1 stop13h 05m

$775

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Tue 9/9

6:30 am-7:00 pm

2 stops20h 30m

Seattle/Tacoma Intl

Tue 9/16

1:55 pm-4:55 pm

1 stop19h 00m

$776

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Mon 9/15

6:40 am-7:09 pm

2 stops20h 29m

Seattle/Tacoma Intl

Wed 9/24

1:30 pm-11:55 am

1 stop14h 25m

$779

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Mon 9/15

7:30 pm-8:09 pm

2 stops32h 39m

Seattle/Tacoma Intl

Wed 9/24

10:11 am-11:55 am

2 stops17h 44m

$780

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Tue 9/9

6:30 am-7:00 pm

2 stops20h 30m

Seattle/Tacoma Intl

Tue 9/16

9:40 am-4:55 pm

2 stops23h 15m

$782

BelfastSeattle

BHD - SEA

BHDSEA

Belfast City

Mon 9/15

6:40 am-9:23 pm

2 stops22h 43m

Seattle/Tacoma Intl

Wed 9/24

6:05 am-11:55 am

2 stops21h 50m

$986

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted 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.

Search flight deals

How far is Belfast City to Seattle/Tacoma Intl by plane?
There are 4463.4 mi between Belfast City and Seattle/Tacoma Intl. 12h 35m 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.

Leavenworth

Tacoma

SeaTac

Ocean Shores

Olympia

Renton

Kent

Lynnwood

Federal Way

Marysville

Puyallup

Tukwila

Kirkland

Lakewood

Centralia

Cle Elum

Shoreline

Fife

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.