Find Cheap Flights from Seattle to Belfast Intl Arpt

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.
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Book cheap flights from Seattle to Belfast Intl Arpt

(Round-trip)
Depart: Fri Oct 27 2017 Return: Sun Oct 29 2017 Trip spans 3 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BFS
2:15p
14h 15m
1 stop
BFS
12:00a
SEA
10:50p
22h 50m
1 stop
Depart: Thu Oct 19 2017 Return: Sun Oct 22 2017 Trip spans 4 days
Air Canada
Air Canada
SEA
12:00a
BFS
10:30p
22h 30m
2 stops
BFS
12:00a
SEA
1:20p
37h 20m
2 stops
Depart: Mon Oct 2 2017 Return: Mon Oct 16 2017 Trip spans 15 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BFS
2:00p
14h 00m
1 stop
BFS
12:00a
SEA
1:30p
13h 30m
1 stop
Depart: Tue Oct 10 2017 Return: Tue Oct 17 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
SEA
12:00a
BFS
4:10p
16h 10m
1 stop
BFS
12:00a
SEA
6:10a
30h 10m
1 stop
Depart: Wed Sep 6 2017 Return: Mon Sep 25 2017 Trip spans 20 days
$1164
Select
Multiple Airlines
Multiple Airlines
SEA
12:00a
BFS
2:25a
26h 25m
2 stops
BFS
12:00a
SEA
11:24p
47h 24m
2 stops
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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Here's why:

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

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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.

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Airports
Origin

Seattle
$654
Destination

Belfast
$654
Airlines