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Cheap flights from Seattle to Belfast from $884

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Seattle to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
6:45 pm - 4:50 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
14h 05m1 stop London Heathrow
British Airways Logo
11:05 am - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
$884British Airways
Sun, Jan 17 - Thu, Jan 21
Multiple Airlines Logo
7:00 pm - 8:30 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
17h 30m2 stops Reykjavik Keflavik Intl London Gatwick
Multiple Airlines Logo
7:00 am - 8:40 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
21h 40m2 stops London Gatwick Reykjavik Keflavik Intl
$938Multiple Airlines
Sat, Apr 10 - Sat, Apr 24
British Airways Logo
1:35 pm - 12:25 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
14h 50m1 stop London Heathrow
British Airways Logo
7:05 am - 11:35 amBHD  Belfast City-SEA Seattle/Tacoma Intl
12h 30m1 stop London Heathrow
$961British Airways
Sat, Apr 10 - Sat, Apr 24
British Airways Logo
8:20 pm - 7:20 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
15h 00m1 stop London Heathrow
British Airways Logo
9:35 am - 9:23 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
19h 48m2 stops London Heathrow Dallas/Fort Worth
$976British Airways
Sat, Apr 10 - Sat, Apr 24
British Airways Logo
2:39 pm - 4:50 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
18h 11m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
6:30 am - 11:25 amBHD  Belfast City-SEA Seattle/Tacoma Intl
12h 55m1 stop London Heathrow
$1,129British Airways
Sun, Jan 17 - Thu, Jan 21
British Airways Logo
3:44 pm - 4:50 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
17h 06m2 stops Portland London Heathrow
British Airways Logo
7:00 am - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
17h 50m2 stops Edinburgh Turnhouse London Heathrow
$1,159British Airways
Sun, Jan 17 - Thu, Jan 21
Multiple Airlines Logo
3:40 pm - 7:40 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
20h 00m3 stops Reykjavik Keflavik Intl Kastrup Copenhagen Manchester
Multiple Airlines Logo
7:00 am - 8:40 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
21h 40m2 stops London Gatwick Reykjavik Keflavik Intl
$1,193Multiple Airlines
Sat, Apr 10 - Sat, Apr 24
British Airways Logo
6:45 pm - 6:35 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
15h 50m1 stop London Heathrow
British Airways Logo
5:50 pm - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
31h 00m1 stop London Heathrow
$1,347British Airways
Mon, Jan 11 - Thu, Jan 14
British Airways Logo
6:45 pm - 6:35 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
15h 50m1 stop London Heathrow
British Airways Logo
5:50 pm - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
31h 00m1 stop London Heathrow
$1,348British Airways
Mon, Jan 11 - Thu, Jan 14
British Airways Logo
2:39 pm - 5:25 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
18h 46m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
11:05 am - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
13h 45m1 stop London Heathrow
$1,592British Airways
Mon, Jan 11 - Thu, Jan 14

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British Airways flights from Seattle to Belfast City Airport

Our best British Airways deals on Seattle to Belfast City Airport flight tickets
British Airways
Jan 17
SEA6:45 pmSeattle/Tacoma Intl
14h 05m
1 stop
BHD4:50 pmBelfast City
Jan 21
BHD11:05 amBelfast City
13h 45m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$884
British Airways
Apr 10
SEA1:35 pmSeattle/Tacoma Intl
14h 50m
1 stop
BHD12:25 pmBelfast City
Apr 24
BHD7:05 amBelfast City
12h 30m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$961
British Airways
Apr 10
SEA8:20 pmSeattle/Tacoma Intl
15h 00m
1 stop
BHD7:20 pmBelfast City
Apr 24
BHD9:35 amBelfast City
19h 48m
2 stops
SEA9:23 pmSeattle/Tacoma Intl
$976

American Airlines flights from Seattle to Belfast City Airport

Our best American Airlines deals on Seattle to Belfast City Airport flight tickets
American Airlines
Feb 23
SEA6:45 pmSeattle/Tacoma Intl
12h 05m
1 stop
BHD2:50 pmBelfast City
Mar 2
BHD6:35 amBelfast City
18h 15m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$5,922
American Airlines
Feb 22
SEA11:28 pmSeattle/Tacoma Intl
27h 22m
2 stops
BHD10:50 amBelfast City
Mar 2
BHD10:00 amBelfast City
14h 50m
1 stop
SEA4:50 pmSeattle/Tacoma Intl
$5,926
American Airlines
Feb 22
SEA11:28 pmSeattle/Tacoma Intl
27h 22m
2 stops
BHD10:50 amBelfast City
Mar 2
BHD6:35 amBelfast City
21h 43m
2 stops
SEA8:18 pmSeattle/Tacoma Intl
$5,936

momondo Fare Finder

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

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Price

Cheapest round-trip

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sun 1/17

6:45 pm-4:50 pm

1 stop14h 05m

Belfast City

Thu 1/21

11:05 am-4:50 pm

1 stop13h 45m

$884

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sat 4/10

7:00 pm-8:30 pm

2 stops17h 30m

Belfast City

Sat 4/24

7:00 am-8:40 pm

2 stops21h 40m

$938
Quickest round-trip

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sat 4/10

1:35 pm-12:25 pm

1 stop14h 50m

Belfast City

Sat 4/24

7:05 am-11:35 am

1 stop12h 30m

$961

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sat 4/10

8:20 pm-7:20 pm

1 stop15h 00m

Belfast City

Sat 4/24

9:35 am-9:23 pm

2 stops19h 48m

$976

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sun 1/17

2:39 pm-4:50 pm

2 stops18h 11m

Belfast City

Thu 1/21

6:30 am-11:25 am

1 stop12h 55m

$1,129

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sun 1/17

3:44 pm-4:50 pm

2 stops17h 06m

Belfast City

Thu 1/21

7:00 am-4:50 pm

2 stops17h 50m

$1,159

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Sat 4/10

3:40 pm-7:40 pm

3 stops20h 00m

Belfast City

Sat 4/24

7:00 am-8:40 pm

2 stops21h 40m

$1,193

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 1/11

6:45 pm-6:35 pm

1 stop15h 50m

Belfast City

Thu 1/14

5:50 pm-4:50 pm

1 stop31h 00m

$1,347

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 1/11

6:45 pm-6:35 pm

1 stop15h 50m

Belfast City

Thu 1/14

5:50 pm-4:50 pm

1 stop31h 00m

$1,348

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 1/11

2:39 pm-5:25 pm

2 stops18h 46m

Belfast City

Thu 1/14

11:05 am-4:50 pm

1 stop13h 45m

$1,592

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Seattle to Belfast City Airport

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

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

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

Best Price Found

$884

Fastest flight time

15h 50m

Direct flights

None
The best flight deal from Seattle to Belfast City Airport found on momondo in the last 72 hours is $884
The fastest flight from Seattle to Belfast City Airport takes 15h 50m
There are no direct flights from Seattle to Belfast City Airport. There are no popular flight routes from Seattle to Belfast City Airport.
Search flight deals

Frequently asked questions about flying from Seattle to Belfast City Airport

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

    Belfast City is 4463.4 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 15h 50m.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Belfast City Airport.

  • What documentation or ID do you need to fly to Belfast City Airport?

    The travel and health documents required for your trip to Belfast City 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 Belfast City Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Seattle to Belfast City Airport

  • How do I get Price Alerts for flights from Seattle to Belfast City Airport?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Seattle from Belfast City Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Seattle to Belfast City Airport with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

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

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

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

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

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

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

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

Price alerts on flights to Belfast from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Belfast City Airport trip

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