Find Cheap Flights from Seattle to Belfast

Depart
Return
1 adult
Adults
18-64
Seniors
65+
Youths
12-17
Children
2-11
Seat Infants
under 2
Lap Infants
under 2
The price shown for each flight will be the average for all passengers including any infants.
Compare vs. KAYAK all | none
Browse Origins:
Browse Destinations:

Dates flexible? Here are the best fares found in the past 48 hours...

Book cheap flights from Seattle to Belfast

(Round-trip)
Depart: Sun Oct 22 2017 Return: Mon Nov 13 2017 Trip spans 23 days
British Airways
British Airways
SEA
3:15p
BHD
6:10a
14h 55m
1 stop
BHD
2:40p
SEA
10:53p
32h 13m
2 stops
Depart: Tue Sep 12 2017 Return: Sat Sep 23 2017 Trip spans 12 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
9:15a
SEA
5:50p
32h 35m
2 stops
Depart: Mon Oct 9 2017 Return: Thu Oct 19 2017 Trip spans 11 days
Iberia
Iberia
SEA
9:20a
BHD
12:50a
15h 30m
1 stop
BHD
2:45a
SEA
3:15p
12h 30m
1 stop
Depart: Mon Oct 16 2017 Return: Thu Oct 26 2017 Trip spans 11 days
American Airlines
American Airlines
SEA
3:15p
BHD
6:10a
14h 55m
1 stop
BHD
2:45a
SEA
3:15p
12h 30m
1 stop
Depart: Thu Oct 12 2017 Return: Sun Oct 22 2017 Trip spans 11 days
United
United
SEA
8:50a
BHD
12:30a
15h 40m
2 stops
BHD
9:15a
SEA
6:46p
33h 31m
2 stops
Depart: Sat Sep 9 2017 Return: Sun Sep 17 2017 Trip spans 9 days
$1098
Select
Major Airline
Major Airline
SEA
11:15a
BHD
2:20a
15h 05m
2 stops
BHD
10:45p
SEA
11:15a
12h 30m
2 stops
Depart: Wed Sep 13 2017 Return: Sat Sep 23 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
9:15a
SEA
5:50p
32h 35m
2 stops
Depart: Mon Sep 18 2017 Return: Thu Sep 28 2017 Trip spans 11 days
British Airways
British Airways
SEA
3:15p
BHD
7:25a
16h 10m
1 stop
BHD
2:45a
SEA
9:10p
18h 25m
1 stop
Depart: Tue Oct 10 2017 Return: Mon Oct 23 2017 Trip spans 14 days
Iberia
Iberia
SEA
3:15p
BHD
7:25a
16h 10m
1 stop
BHD
11:05a
SEA
9:10p
34h 05m
1 stop
Depart: Sat Oct 14 2017 Return: Tue Oct 24 2017 Trip spans 11 days
United
United
SEA
9:20a
BHD
4:35a
19h 15m
2 stops
BHD
4:45a
SEA
1:29a
20h 44m
2 stops
Depart: Thu Sep 14 2017 Return: Sun Sep 24 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
9:15a
SEA
12:55a
39h 40m
2 stops
Depart: Fri Sep 22 2017 Return: Mon Oct 2 2017 Trip spans 11 days
British Airways
British Airways
SEA
9:30a
BHD
12:50a
15h 20m
1 stop
BHD
11:05a
SEA
9:10p
34h 05m
1 stop
Depart: Fri Sep 15 2017 Return: Mon Sep 25 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
4:45a
SEA
5:50p
37h 05m
2 stops
Depart: Tue Oct 3 2017 Return: Fri Oct 13 2017 Trip spans 11 days
British Airways
British Airways
SEA
3:15p
BHD
7:25a
16h 10m
1 stop
BHD
9:30a
SEA
3:15p
29h 45m
1 stop
Depart: Sat Sep 16 2017 Return: Tue Sep 26 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
9:15a
SEA
5:50p
32h 35m
2 stops
Depart: Fri Oct 6 2017 Return: Thu Oct 19 2017 Trip spans 14 days
British Airways
British Airways
SEA
9:30a
BHD
12:50a
15h 20m
1 stop
BHD
2:45a
SEA
3:15p
12h 30m
1 stop
Depart: Sun Sep 17 2017 Return: Wed Sep 27 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
9:15a
SEA
5:50p
32h 35m
2 stops
Depart: Sat Oct 7 2017 Return: Thu Oct 19 2017 Trip spans 13 days
British Airways
British Airways
SEA
9:20a
BHD
12:50a
15h 30m
1 stop
BHD
2:45a
SEA
3:15p
12h 30m
1 stop
Depart: Tue Sep 19 2017 Return: Fri Sep 29 2017 Trip spans 11 days
Air Canada
Air Canada
SEA
6:05a
BHD
4:35a
22h 30m
2 stops
BHD
9:15a
SEA
5:50p
32h 35m
2 stops
Depart: Fri Oct 13 2017 Return: Thu Oct 26 2017 Trip spans 14 days
British Airways
British Airways
SEA
9:30a
BHD
12:50a
15h 20m
1 stop
BHD
5:10a
SEA
9:10p
16h 00m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Seattle
$752
Destination

Belfast
$752