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Cheap flights from Belfast to Seattle from £565

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Belfast to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:55 - 09:32BFS  Belfast Intl-SEA Seattle/Tacoma Intl
34h 37m3 stops Paris Charles de Gaulle Calgary Vancouver Intl
Multiple Airlines Logo
14:35 - 22:35SEA  Seattle/Tacoma Intl-BFS Belfast Intl
24h 00m2 stops Reykjavik Keflavik Intl Manchester
£565Multiple Airlines
Wed, 18 Nov - Fri, 11 Dec
British Airways Logo
09:15 - 16:50BHD  Belfast City-SEA Seattle/Tacoma Intl
15h 35m1 stop London Heathrow
British Airways Logo
18:45 - 17:25SEA  Seattle/Tacoma Intl-BHD Belfast City
14h 40m1 stop London Heathrow
£565British Airways
Wed, 18 Nov - Fri, 11 Dec
British Airways Logo
17:35 - 11:25BHD  Belfast City-SEA Seattle/Tacoma Intl
25h 50m1 stop London Heathrow
British Airways Logo
09:15 - 10:55SEA  Seattle/Tacoma Intl-BHD Belfast City
17h 40m2 stops Philadelphia London Heathrow
£567British Airways
Wed, 18 Nov - Fri, 11 Dec
British Airways Logo
12:20 - 00:35BHD  Belfast City-SEA Seattle/Tacoma Intl
20h 15m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
06:14 - 10:55SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 41m2 stops Chicago O'Hare Intl London Heathrow
£577British Airways
Wed, 18 Nov - Fri, 11 Dec
British Airways Logo
12:45 - 18:25BHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
British Airways Logo
10:31 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 59m2 stops Chicago O'Hare Intl London Heathrow
£599British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
20:20 - 20:35SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 15m1 stop London Heathrow
£599British Airways
Thu, 15 Oct - Mon, 19 Oct
Multiple Airlines Logo
06:55 - 09:32BFS  Belfast Intl-SEA Seattle/Tacoma Intl
34h 37m3 stops Paris Charles de Gaulle Calgary Vancouver Intl
Multiple Airlines Logo
14:35 - 22:35SEA  Seattle/Tacoma Intl-BFS Belfast Intl
24h 00m3 stops Reykjavik Keflavik Intl Berlin Brandenburg Manchester
£600Multiple Airlines
Wed, 18 Nov - Fri, 11 Dec
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
15:14 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
£602British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
20:20 - 20:35SEA  Seattle/Tacoma Intl-BHD Belfast City
16h 15m1 stop London Heathrow
£602British Airways
Thu, 15 Oct - Mon, 19 Oct
British Airways Logo
20:35 - 11:35BHD  Belfast City-SEA Seattle/Tacoma Intl
23h 00m1 stop London Heathrow
British Airways Logo
10:31 - 15:30SEA  Seattle/Tacoma Intl-BHD Belfast City
20h 59m2 stops Chicago O'Hare Intl London Heathrow
£604British Airways
Thu, 15 Oct - Mon, 19 Oct

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British Airways flights from Belfast to Seattle

Our best British Airways deals on Belfast to Seattle flight tickets
British Airways
18 Nov
BHD09:15Belfast City
15h 35m
1 stop
SEA16:50Seattle/Tacoma Intl
11 Dec
SEA18:45Seattle/Tacoma Intl
14h 40m
1 stop
BHD17:25Belfast City
£565
British Airways
18 Nov
BHD17:35Belfast City
25h 50m
1 stop
SEA11:25Seattle/Tacoma Intl
11 Dec
SEA09:15Seattle/Tacoma Intl
17h 40m
2 stops
BHD10:55Belfast City
£567
British Airways
18 Nov
BHD12:20Belfast City
20h 15m
2 stops
SEA00:35Seattle/Tacoma Intl
11 Dec
SEA06:14Seattle/Tacoma Intl
20h 41m
2 stops
BHD10:55Belfast City
£577

momondo Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

BelfastSeattle

BFS Belfast Intl - SEA Seattle/Tacoma Intl

BFSSEA

Belfast Intl

Wed 18/11

06:55-09:32

3 stops34h 37m

Seattle/Tacoma Intl

Fri 11/12

14:35-22:35

2 stops24h 00m

£565
Fastest return journey

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Wed 18/11

09:15-16:50

1 stop15h 35m

Seattle/Tacoma Intl

Fri 11/12

18:45-17:25

1 stop14h 40m

£565

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Wed 18/11

17:35-11:25

1 stop25h 50m

Seattle/Tacoma Intl

Fri 11/12

09:15-10:55

2 stops17h 40m

£567

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Wed 18/11

12:20-00:35

2 stops20h 15m

Seattle/Tacoma Intl

Fri 11/12

06:14-10:55

2 stops20h 41m

£577

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

12:45-18:25

1 stop13h 40m

Seattle/Tacoma Intl

Mon 19/10

10:31-15:30

2 stops20h 59m

£599

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

20:20-20:35

1 stop16h 15m

£599

BelfastSeattle

BFS Belfast Intl - SEA Seattle/Tacoma Intl

BFSSEA

Belfast Intl

Wed 18/11

06:55-09:32

3 stops34h 37m

Seattle/Tacoma Intl

Fri 11/12

14:35-22:35

3 stops24h 00m

£600

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

15:14-15:30

2 stops16h 16m

£602

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

20:20-20:35

1 stop16h 15m

£602

BelfastSeattle

BHD Belfast City - SEA Seattle/Tacoma Intl

BHDSEA

Belfast City

Thu 15/10

20:35-11:35

1 stop23h 00m

Seattle/Tacoma Intl

Mon 19/10

10:31-15:30

2 stops20h 59m

£604

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Seattle from

How to get the cheapest flight ticket from Belfast 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

What is the cheapest airline that flies from Belfast to Seattle/Tacoma Intl?

British Airways is the most popular carrier operating from Belfast to Seattle/Tacoma Intl

Cheap Belfast to Seattle flight deals and tips

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

Best price found

£565

Fastest flight time

13h 40m

Direct flights

None
The best flight deal from Belfast to Seattle found on momondo in the last 72 hours is £565
The fastest flight from Belfast to Seattle takes 13h 40m
There are no direct flights from Belfast to Seattle. There are no popular flight routes from Belfast to Seattle.
Search flight deals

Frequently asked questions about flying from Belfast to Seattle

  • How far is Belfast to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 4463.0 mi away from Belfast. By plane, this route typically takes 13h 40m.

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

    Prices for flights from Belfast to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Westport
Kirkland
Ashford
Tacoma
SeaTac
Kent
Tukwila
Fife

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to Seattle. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Seattle from Belfast which offer a flexible booking policy as well as other useful filters and features.

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?

Yes momondo offers price alerts on flights to Seattle from Belfast. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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