Find Cheap Flights from Toronto to Seattle/Tacoma Intl (YTO - SEA)

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 Toronto to Seattle/Tacoma Intl

(Round-trip)
Depart: Fri Jan 19 2018 Return: Tue Jan 23 2018 Trip spans 5 days
Delta
Delta
YYZ
12:00a
SEA
8:50a
8h 50m
1 stop
SEA
12:00a
YYZ
12:06p
12h 06m
2 stops
Depart: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
5:11a
5h 11m
nonstop
SEA
12:00a
YYZ
4:28a
4h 28m
nonstop
Depart: Sat Nov 25 2017 Return: Sat Dec 2 2017 Trip spans 8 days
WestJet
WestJet
YYZ
12:00a
SEA
8:30a
8h 30m
1 stop
SEA
12:00a
YYZ
6:54a
6h 54m
1 stop
Depart: Wed Mar 28 2018 Return: Tue Apr 3 2018 Trip spans 7 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
10:51a
10h 51m
1 stop
SEA
12:00a
YTZ
10:34a
10h 34m
1 stop
Depart: Mon Mar 19 2018 Return: Fri Mar 23 2018 Trip spans 5 days
Delta
Delta
YYZ
12:00a
SEA
8:50a
8h 50m
1 stop
SEA
12:00a
YYZ
10:25a
10h 25m
1 stop
Depart: Thu Nov 2 2017 Return: Wed Nov 8 2017 Trip spans 7 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
5:20a
5h 20m
nonstop
SEA
12:00a
YYZ
4:30a
4h 30m
nonstop
Depart: Thu Dec 7 2017 Return: Mon Dec 11 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
5:20a
5h 20m
nonstop
SEA
12:00a
YYZ
4:30a
4h 30m
nonstop
Depart: Mon Oct 2 2017 Return: Thu Oct 5 2017 Trip spans 4 days
WestJet
WestJet
YYZ
12:00a
SEA
9:10a
9h 10m
1 stop
SEA
12:00a
YYZ
9:02a
9h 02m
1 stop
Depart: Fri Sep 29 2017 Return: Wed Oct 4 2017 Trip spans 6 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
10:15a
10h 15m
1 stop
SEA
12:00a
YYZ
10:43a
10h 43m
1 stop
Depart: Fri Sep 29 2017 Return: Mon Oct 2 2017 Trip spans 4 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
12:28p
12h 28m
1 stop
SEA
12:00a
YTZ
10:41a
10h 41m
1 stop
Depart: Thu Dec 7 2017 Return: Mon Dec 11 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
2:14p
14h 14m
1 stop
SEA
12:00a
YTZ
10:16a
10h 16m
1 stop
Depart: Thu Nov 30 2017 Return: Mon Dec 4 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
2:14p
14h 14m
1 stop
SEA
12:00a
YTZ
10:16a
10h 16m
1 stop
Depart: Sat Sep 23 2017 Return: Sat Sep 30 2017 Trip spans 8 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
10:15a
10h 15m
1 stop
SEA
12:00a
YYZ
10:35a
10h 35m
1 stop
Depart: Sun Oct 1 2017 Return: Mon Oct 9 2017 Trip spans 9 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
12:28p
12h 28m
1 stop
SEA
12:00a
YTZ
8:41a
8h 41m
1 stop
Depart: Thu Oct 19 2017 Return: Mon Oct 23 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
2:13p
14h 13m
1 stop
SEA
12:00a
YTZ
3:06p
15h 06m
1 stop
Depart: Mon Dec 25 2017 Return: Tue Jan 2 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
8:49a
8h 49m
1 stop
SEA
12:00a
YYZ
12:44p
12h 44m
1 stop
Depart: Sat Nov 25 2017 Return: Sat Dec 2 2017 Trip spans 8 days
$1220
Select
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
12:24p
12h 24m
1 stop
SEA
12:00a
YTZ
8:56a
8h 56m
1 stop
Depart: Mon Jan 1 2018 Return: Thu Jan 18 2018 Trip spans 18 days
$1060
Select
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
10:59a
10h 59m
1 stop
SEA
12:00a
YTZ
10:51a
10h 51m
1 stop
Direct flights YTO to SEA on United
Flight # Depart YYZ Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
8619 8:00 am 10:13 am Sep 27 - Oct 4
8619 8:00 am 10:13 am Sep 26 - Sep 28
8619 8:00 am 10:13 am Oct 5 - Oct 9
8619 8:00 am 10:13 am Oct 6 - Oct 6
8525 7:25 pm 9:45 pm Oct 29 - Nov 4
8525 7:30 pm 9:43 pm Sep 28 - Sep 28
8525 7:30 pm 9:43 pm Sep 29 - Sep 29
8525 7:30 pm 9:41 pm Sep 30 - Oct 28
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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

Toronto
only $411
only $468
Destination

Seattle
$411