Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Seattle to Belfast from $918

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
6:30 am - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
18h 20m1 stop London Heathrow
$918British Airways
Sun, Jan 17 - Thu, Jan 21
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
$919British Airways
Sun, Jan 17 - Thu, Jan 21
Aer Lingus Logo
8:20 pm - 5:30 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
13h 10m1 stop London Heathrow
Aer Lingus Logo
9:35 am - 6:25 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
16h 50m1 stop London Heathrow
$942Aer Lingus
Mon, Oct 5 - Thu, Oct 22
British Airways Logo
8:20 pm - 7:25 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
12:45 pm - 6:25 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
$955British Airways
Mon, Oct 5 - Thu, Oct 22
British Airways Logo
8:20 pm - 7:25 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
15h 05m1 stop London Heathrow
British Airways Logo
12:45 pm - 6:25 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
13h 40m1 stop London Heathrow
$956British Airways
Mon, Oct 5 - Thu, Oct 22
American Airlines Logo
3:14 pm - 3:30 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
2:20 pm - 11:35 amBHD  Belfast City-SEA Seattle/Tacoma Intl
29h 15m1 stop London Heathrow
$972American Airlines
Mon, Oct 5 - Thu, Oct 22
American Airlines Logo
3:14 pm - 3:30 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
2:20 pm - 11:35 amBHD  Belfast City-SEA Seattle/Tacoma Intl
29h 15m1 stop London Heathrow
$973American Airlines
Mon, Oct 5 - Thu, Oct 22
American Airlines Logo
3:14 pm - 3:30 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
16h 16m2 stops Chicago O'Hare Intl London Heathrow
American Airlines Logo
2:20 pm - 11:35 amBHD  Belfast City-SEA Seattle/Tacoma Intl
29h 15m1 stop London Heathrow
$974American Airlines
Mon, Oct 5 - Thu, Oct 22
British Airways Logo
6:45 pm - 2:50 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
12h 05m1 stop London Heathrow
British Airways Logo
3:15 pm - 4:50 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
33h 35m1 stop London Heathrow
$990British Airways
Tue, Dec 15 - Sun, Dec 20
British Airways Logo
10:31 am - 3:30 pmSEA  Seattle/Tacoma Intl-BHD Belfast City
20h 59m2 stops Chicago O'Hare Intl London Heathrow
British Airways Logo
9:35 am - 8:15 pmBHD  Belfast City-SEA Seattle/Tacoma Intl
18h 40m2 stops London Heathrow Chicago O'Hare Intl
$992British Airways
Mon, Oct 5 - Thu, Oct 22

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

American Airlines flights from Seattle to Belfast City Airport

Our best American Airlines deals on Seattle to Belfast City Airport flight tickets
American Airlines
Oct 5
SEA3:14 pmSeattle/Tacoma Intl
16h 16m
2 stops
BHD3:30 pmBelfast City
Oct 22
BHD2:20 pmBelfast City
29h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$972
American Airlines
Oct 5
SEA3:14 pmSeattle/Tacoma Intl
16h 16m
2 stops
BHD3:30 pmBelfast City
Oct 22
BHD2:20 pmBelfast City
29h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$973
American Airlines
Oct 5
SEA3:14 pmSeattle/Tacoma Intl
16h 16m
2 stops
BHD3:30 pmBelfast City
Oct 22
BHD2:20 pmBelfast City
29h 15m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$974

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
$918
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
$919
British Airways
Oct 5
SEA8:20 pmSeattle/Tacoma Intl
15h 05m
1 stop
BHD7:25 pmBelfast City
Oct 22
BHD12:45 pmBelfast City
13h 40m
1 stop
SEA6:25 pmSeattle/Tacoma Intl
$955

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

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

6:30 am-4:50 pm

1 stop18h 20m

$918
Quickest 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

$919

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

8:20 pm-5:30 pm

1 stop13h 10m

Belfast City

Thu 10/22

9:35 am-6:25 pm

1 stop16h 50m

$942

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

8:20 pm-7:25 pm

1 stop15h 05m

Belfast City

Thu 10/22

12:45 pm-6:25 pm

1 stop13h 40m

$955

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

8:20 pm-7:25 pm

1 stop15h 05m

Belfast City

Thu 10/22

12:45 pm-6:25 pm

1 stop13h 40m

$956

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

3:14 pm-3:30 pm

2 stops16h 16m

Belfast City

Thu 10/22

2:20 pm-11:35 am

1 stop29h 15m

$972

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

3:14 pm-3:30 pm

2 stops16h 16m

Belfast City

Thu 10/22

2:20 pm-11:35 am

1 stop29h 15m

$973

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

3:14 pm-3:30 pm

2 stops16h 16m

Belfast City

Thu 10/22

2:20 pm-11:35 am

1 stop29h 15m

$974

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Tue 12/15

6:45 pm-2:50 pm

1 stop12h 05m

Belfast City

Sun 12/20

3:15 pm-4:50 pm

1 stop33h 35m

$990

SeattleBelfast

SEA Seattle/Tacoma Intl - BHD Belfast City

SEABHD

Seattle/Tacoma Intl

Mon 10/5

10:31 am-3:30 pm

2 stops20h 59m

Belfast City

Thu 10/22

9:35 am-8:15 pm

2 stops18h 40m

$992

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

$918

Fastest flight time

14h 05m

Direct flights

None
The best flight deal from Seattle to Belfast City Airport found on momondo in the last 72 hours is $918
The fastest flight from Seattle to Belfast City Airport takes 14h 05m
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 14h 05m.

  • 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 10/6
Tue 10/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belfast

Popular cities in the United Kingdom

Flights to London Heathrow Airportfrom $464
Flights to London Gatwick Airportfrom $411
Flights to London Stansted Airportfrom $537
Flights to London City Airportfrom $593
Flights to London Luton Airportfrom $521
Flights to Glasgow Intl Airportfrom $556
Flights to Belfast Intl Airportfrom $601
Flights to London Southend Airportfrom $635