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Find Flight Deals from Toronto to Seattle/Tacoma Intl (YTO - SEA)

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

Book cheap flights from Toronto to Seattle/Tacoma Intl

(Round-trip)
Depart: Tue May 5 2015 Return: Fri May 8 2015 Trip spans 4 days
Delta
Delta
YYZ
11:24a
SEA
10:08p
10h 44m
2 stops
SEA
3:00a
YYZ
9:44a
6h 44m
1 stop
Depart: Fri Apr 10 2015 Return: Mon Apr 13 2015 Trip spans 4 days
Delta
Delta
YYZ
11:35a
SEA
8:29p
8h 54m
1 stop
SEA
7:35p
YYZ
4:14a
8h 39m
1 stop
Depart: Wed Sep 23 2015 Return: Mon Sep 28 2015 Trip spans 6 days
Delta
Delta
YYZ
2:15a
SEA
11:05a
8h 50m
1 stop
SEA
6:25p
YYZ
4:20a
9h 55m
1 stop
Depart: Tue Apr 14 2015 Return: Fri Apr 17 2015 Trip spans 4 days
American Airlines
American Airlines
YYZ
8:15a
SEA
8:44p
12h 29m
1 stop
SEA
8:15p
YYZ
5:10p
20h 55m
1 stop
Depart: Wed May 6 2015 Return: Mon May 11 2015 Trip spans 6 days
American Airlines
American Airlines
YYZ
8:15a
SEA
9:59p
13h 44m
1 stop
SEA
7:59p
YYZ
2:39a
6h 40m
1 stop
Depart: Fri May 8 2015 Return: Mon May 11 2015 Trip spans 4 days
American Airlines
American Airlines
YYZ
8:05a
SEA
10:04p
13h 59m
1 stop
SEA
7:59p
YYZ
2:39a
6h 40m
1 stop
Depart: Tue Mar 24 2015 Return: Mon Apr 6 2015 Trip spans 14 days
Alaska Airlines
Alaska Airlines
YYZ
2:00a
SEA
9:30a
7h 30m
1 stop
SEA
8:35p
YYZ
4:24a
7h 49m
1 stop
Depart: Tue Mar 31 2015 Return: Tue Apr 14 2015 Trip spans 15 days
US Airways
US Airways
YYZ
2:26p
SEA
9:59p
7h 33m
1 stop
SEA
1:00a
YYZ
7:36a
6h 36m
1 stop
Depart: Thu Mar 26 2015 Return: Mon Mar 30 2015 Trip spans 5 days
American Airlines
American Airlines
YYZ
2:20p
SEA
9:34a
19h 14m
1 stop
SEA
10:40a
YYZ
2:42a
16h 02m
1 stop
Depart: Tue Apr 7 2015 Return: Mon Apr 13 2015 Trip spans 7 days
Delta
Delta
YYZ
9:41a
SEA
5:56p
8h 15m
1 stop
SEA
8:50p
YYZ
3:25a
6h 35m
1 stop
Depart: Thu May 7 2015 Return: Mon May 11 2015 Trip spans 5 days
American Airlines
American Airlines
YYZ
7:48a
SEA
8:07p
12h 19m
1 stop
SEA
4:55p
YYZ
10:30a
17h 35m
1 stop
Depart: Sun May 10 2015 Return: Mon May 11 2015 Trip spans 2 days
Delta
Delta
YYZ
2:24a
SEA
9:19a
6h 55m
1 stop
SEA
7:00p
YYZ
1:58a
6h 58m
1 stop
Depart: Fri Apr 3 2015 Return: Sun Apr 5 2015 Trip spans 3 days
US Airways
US Airways
YYZ
3:59a
SEA
8:07p
16h 08m
1 stop
SEA
1:10a
YYZ
5:23p
16h 13m
1 stop
Depart: Wed Mar 25 2015 Return: Mon Apr 6 2015 Trip spans 13 days
Alaska Airlines
Alaska Airlines
YYZ
2:00a
SEA
9:30a
7h 30m
1 stop
SEA
8:35p
YYZ
4:24a
7h 49m
1 stop
Depart: Wed Apr 1 2015 Return: Tue Apr 14 2015 Trip spans 14 days
US Airways
US Airways
YYZ
4:25a
SEA
12:12p
7h 47m
1 stop
SEA
1:00a
YYZ
7:36a
6h 36m
1 stop
Depart: Mon May 4 2015 Return: Sat May 9 2015 Trip spans 6 days
Alaska Airlines
Alaska Airlines
YYZ
8:15a
SEA
4:48p
8h 33m
1 stop
SEA
8:35p
YYZ
4:24a
7h 49m
1 stop
Depart: Wed Apr 8 2015 Return: Sun Apr 12 2015 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YYZ
8:31a
SEA
4:06p
7h 35m
1 stop
SEA
8:35p
YYZ
4:24a
7h 49m
1 stop
Depart: Thu May 14 2015 Return: Tue May 19 2015 Trip spans 6 days
United
United
YYZ
10:48a
SEA
9:22p
10h 34m
1 stop
SEA
7:18p
YYZ
4:07a
8h 49m
1 stop
Depart: Mon Apr 13 2015 Return: Sat Apr 18 2015 Trip spans 6 days
Air Canada
Air Canada
YYZ
8:30p
SEA
11:10a
14h 40m
2 stops
SEA
3:00p
YYZ
4:23a
13h 23m
2 stops
Depart: Thu Apr 9 2015 Return: Sat Apr 11 2015 Trip spans 3 days
$5433
Select
EVA Air
EVA Air
YYZ
9:45p
SEA
6:30p
44h 45m
1 stop
SEA
9:50p
YYZ
1:50p
40h 00m
1 stop
Change your search
Direct flights YTO to SEA on United
Flight # Depart YYZ Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
8525 6:55 pm 9:12 pm Mar 29 - Apr 30
8525 6:55 pm 9:21 pm Mar 8 - Mar 28
Airports
Origin

Toronto
$363
Destination

Seattle
$363