Find Cheap Flights from Seattle to Shannon

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 Shannon

(Round-trip)
Depart: Wed Sep 6 2017 Return: Mon Sep 25 2017 Trip spans 20 days
British Airways
British Airways
SEA
4:05a
SNN
8:50p
16h 45m
1 stop
SNN
8:30a
SEA
1:41p
29h 11m
2 stops
Depart: Thu Sep 7 2017 Return: Fri Sep 15 2017 Trip spans 9 days
Aer Lingus
Aer Lingus
SEA
6:10p
SNN
6:30p
24h 20m
1 stop
SNN
8:45a
SEA
12:59a
16h 14m
1 stop
Depart: Wed Dec 13 2017 Return: Wed Dec 27 2017 Trip spans 15 days
Air Canada
Air Canada
SEA
5:40a
SNN
10:15p
40h 35m
2 stops
SNN
7:55a
SEA
11:53p
39h 58m
2 stops
Depart: Mon Aug 21 2017 Return: Thu Aug 31 2017 Trip spans 11 days
$1024
Select
Air France
Air France
SEA
3:40a
SNN
10:05p
18h 25m
1 stop
SNN
7:50a
SEA
11:33p
15h 43m
1 stop
Depart: Wed Aug 23 2017 Return: Thu Sep 7 2017 Trip spans 16 days
$1031
Select
United
United
SEA
2:25a
SNN
7:20p
16h 55m
1 stop
SNN
5:05a
SEA
11:28p
18h 23m
1 stop
Depart: Sat Sep 2 2017 Return: Mon Sep 18 2017 Trip spans 17 days
$1035
Select
Delta
Delta
SEA
4:45p
SNN
10:05p
29h 20m
2 stops
SNN
7:50a
SEA
12:44p
28h 54m
2 stops
Depart: Thu Aug 24 2017 Return: Tue Sep 12 2017 Trip spans 20 days
$1061
Select
American Airlines
American Airlines
SEA
4:20a
SNN
8:50p
16h 30m
2 stops
SNN
7:35a
SEA
1:05a
17h 30m
1 stop
Depart: Tue Aug 22 2017 Return: Wed Sep 6 2017 Trip spans 16 days
British Airways
British Airways
SEA
7:59p
SNN
9:00a
37h 01m
2 stops
SNN
7:35a
SEA
1:05a
17h 30m
1 stop
Depart: Sun Aug 27 2017 Return: Tue Sep 12 2017 Trip spans 17 days
$1024
Select
Air France
Air France
SEA
3:40a
SNN
10:05p
18h 25m
1 stop
SNN
7:50a
SEA
11:37p
15h 47m
1 stop
Depart: Sat Aug 26 2017 Return: Tue Sep 12 2017 Trip spans 18 days
$1031
Select
United
United
SEA
7:37p
SNN
7:00p
23h 23m
1 stop
SNN
5:05a
SEA
11:16p
18h 11m
1 stop
Depart: Thu Dec 14 2017 Return: Wed Dec 27 2017 Trip spans 14 days
$1033
Select
Air Canada
Air Canada
SEA
9:50a
SNN
10:15p
36h 25m
2 stops
SNN
7:55a
SEA
11:53p
39h 58m
2 stops
Depart: Mon Sep 18 2017 Return: Tue Sep 26 2017 Trip spans 9 days
British Airways
British Airways
SEA
10:36a
SNN
4:15a
17h 39m
2 stops
SNN
7:35a
SEA
1:05a
17h 30m
1 stop
Depart: Sun Sep 3 2017 Return: Mon Sep 18 2017 Trip spans 16 days
$1062
Select
Delta
Delta
SEA
6:58p
SNN
10:05p
27h 07m
1 stop
SNN
7:50a
SEA
11:37p
15h 47m
1 stop
Depart: Mon Aug 28 2017 Return: Tue Sep 12 2017 Trip spans 16 days
$1024
Select
Air France
Air France
SEA
3:40a
SNN
10:05p
18h 25m
1 stop
SNN
7:50a
SEA
11:37p
15h 47m
1 stop
Depart: Sun Dec 17 2017 Return: Wed Dec 27 2017 Trip spans 11 days
$1043
Select
Air Canada
Air Canada
SEA
5:40a
SNN
10:15p
40h 35m
2 stops
SNN
7:55a
SEA
11:53p
39h 58m
2 stops
Depart: Fri Aug 25 2017 Return: Tue Sep 12 2017 Trip spans 19 days
$1061
Select
United
United
SEA
5:00a
SNN
7:00p
14h 00m
1 stop
SNN
5:05a
SEA
7:55p
14h 50m
1 stop
Depart: Fri Sep 8 2017 Return: Mon Sep 18 2017 Trip spans 11 days
$1065
Select
Delta
Delta
SEA
6:55p
SNN
10:05p
27h 10m
2 stops
SNN
7:50a
SEA
2:00a
18h 10m
2 stops
Depart: Mon Dec 18 2017 Return: Wed Dec 27 2017 Trip spans 10 days
$1043
Select
Air Canada
Air Canada
SEA
4:25a
SNN
10:15p
41h 50m
2 stops
SNN
7:55a
SEA
11:53p
39h 58m
2 stops
Depart: Mon Sep 4 2017 Return: Mon Sep 18 2017 Trip spans 15 days
$1057
Select
Air France
Air France
SEA
3:40a
SNN
10:05p
18h 25m
1 stop
SNN
7:50a
SEA
2:07a
18h 17m
1 stop
Depart: Wed Aug 30 2017 Return: Tue Sep 12 2017 Trip spans 14 days
$1307
Select
American Airlines
American Airlines
SEA
11:00a
SNN
8:50p
33h 50m
2 stops
SNN
7:35a
SEA
1:05a
17h 30m
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.

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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.

If you have more questions or if you have a bad price to report to us,
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Airports
Origin

Seattle
$743
Destination

Shannon
$743