Find Cheap Flights from Toronto to Seattle (YTO - 03A)

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

(Round-trip)
Depart: Thu Dec 7 2017 Return: Tue Dec 12 2017 Trip spans 6 days
Delta
Delta
YYZ
12:00a
SEA
10:01a
10h 01m
1 stop
SEA
12:00a
YYZ
6:50a
6h 50m
1 stop
Depart: Wed Nov 8 2017 Return: Tue Nov 21 2017 Trip spans 14 days
United
United
YYZ
12:00a
SEA
8:31a
8h 31m
1 stop
SEA
12:00a
YYZ
4:30a
4h 30m
nonstop
Depart: Sat Nov 25 2017 Return: Sat Dec 2 2017 Trip spans 8 days
Air Canada
Air Canada
YTZ
12:00a
SEA
1:38p
13h 38m
2 stops
SEA
12:00a
YTZ
2:15p
14h 15m
2 stops
Depart: Sat Apr 28 2018 Return: Sun May 6 2018 Trip spans 9 days
WestJet
WestJet
YYZ
12:00a
SEA
10:05a
10h 05m
1 stop
SEA
12:00a
YYZ
8:05a
8h 05m
1 stop
Depart: Sun Dec 10 2017 Return: Thu Dec 14 2017 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
1:09p
13h 09m
1 stop
SEA
12:00a
YTZ
1:21p
13h 21m
1 stop
Depart: Thu Jan 18 2018 Return: Thu Jan 25 2018 Trip spans 8 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
1:34p
13h 34m
1 stop
SEA
12:00a
YTZ
11:06a
11h 06m
1 stop
Depart: Thu Jan 18 2018 Return: Thu Jan 25 2018 Trip spans 8 days
Delta
Delta
YYZ
12:00a
SEA
8:39a
8h 39m
1 stop
SEA
12:00a
YYZ
9:11a
9h 11m
1 stop
Depart: Thu Mar 22 2018 Return: Tue Apr 10 2018 Trip spans 20 days
Delta
Delta
YYZ
12:00a
SEA
9:19a
9h 19m
1 stop
SEA
12:00a
YYZ
6:55a
6h 55m
1 stop
Depart: Thu Nov 30 2017 Return: Mon Dec 4 2017 Trip spans 5 days
Delta
Delta
YYZ
12:00a
SEA
10:20a
10h 20m
1 stop
SEA
12:00a
YYZ
9:14a
9h 14m
1 stop
Depart: Sun Dec 10 2017 Return: Thu Dec 14 2017 Trip spans 5 days
Delta
Delta
YYZ
12:00a
SEA
8:10a
8h 10m
1 stop
SEA
12:00a
YYZ
7:06a
7h 06m
1 stop
Depart: Tue Feb 6 2018 Return: Thu Feb 8 2018 Trip spans 3 days
Delta
Delta
YYZ
12:00a
SEA
9:04a
9h 04m
1 stop
SEA
12:00a
YYZ
9:00a
9h 00m
1 stop
Depart: Wed Feb 28 2018 Return: Sun Mar 4 2018 Trip spans 5 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
10:47a
10h 47m
1 stop
SEA
12:00a
YTZ
1:34p
13h 34m
1 stop
Depart: Tue Mar 27 2018 Return: Tue Apr 10 2018 Trip spans 15 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
10:47a
10h 47m
1 stop
SEA
12:00a
YTZ
10:29a
10h 29m
1 stop
Depart: Fri Apr 27 2018 Return: Sat May 5 2018 Trip spans 9 days
Delta
Delta
YYZ
12:00a
SEA
9:20a
9h 20m
1 stop
SEA
12:00a
YYZ
8:02a
8h 02m
1 stop
Depart: Thu Nov 2 2017 Return: Sun Nov 5 2017 Trip spans 4 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
12:59p
12h 59m
1 stop
SEA
12:00a
YTZ
11:36a
12h 36m
1 stop
Depart: Fri Apr 27 2018 Return: Sat May 5 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
10:31a
10h 31m
1 stop
SEA
12:00a
YTZ
2:21p
14h 21m
1 stop
Depart: Sat Apr 28 2018 Return: Sun May 6 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
3:11p
15h 11m
1 stop
SEA
12:00a
YTZ
12:36p
12h 36m
1 stop
Depart: Fri Dec 15 2017 Return: Mon Dec 18 2017 Trip spans 4 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
9:18a
9h 18m
1 stop
SEA
12:00a
YTZ
1:21p
13h 21m
1 stop
Depart: Sun Oct 29 2017 Return: Wed Nov 1 2017 Trip spans 4 days
Delta
Delta
YYZ
12:00a
SEA
8:56a
8h 56m
1 stop
SEA
12:00a
YYZ
8:04a
8h 04m
1 stop
Depart: Sat Oct 21 2017 Return: Thu Oct 26 2017 Trip spans 6 days
Delta
Delta
YYZ
12:00a
SEA
8:59a
8h 59m
1 stop
SEA
12:00a
YYZ
11:13a
11h 13m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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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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 $363
only $437
Destination

Seattle
$363