Find Cheap Flights from Toronto Pearson Intl to Seattle

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 Pearson Intl to Seattle

(Round-trip)
Depart: Sat Jun 17 2017 Return: Sat Jun 24 2017 Trip spans 8 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:10p
10h 40m
2 stops
SEA
1:29p
YYZ
9:00a
19h 31m
2 stops
Depart: Fri Sep 8 2017 Return: Fri Sep 22 2017 Trip spans 15 days
WestJet
WestJet
YYZ
4:50a
SEA
1:00p
8h 10m
1 stop
SEA
5:40a
YYZ
2:59p
9h 19m
1 stop
Depart: Tue Nov 21 2017 Return: Tue Nov 28 2017 Trip spans 8 days
Delta
Delta
YYZ
12:05p
SEA
9:22p
9h 17m
1 stop
SEA
5:45p
YYZ
2:13a
8h 28m
1 stop
Depart: Thu Jun 8 2017 Return: Mon Jun 12 2017 Trip spans 5 days
United
United
YYZ
9:46a
SEA
8:13p
10h 27m
1 stop
SEA
2:15p
YYZ
2:20a
12h 05m
2 stops
Depart: Wed Sep 13 2017 Return: Fri Sep 22 2017 Trip spans 10 days
WestJet
WestJet
YYZ
9:00a
SEA
6:50p
9h 50m
1 stop
SEA
5:40a
YYZ
2:59p
9h 19m
1 stop
Depart: Wed Jun 21 2017 Return: Wed Jul 12 2017 Trip spans 22 days
Major Airline
Major Airline
YYZ
2:00a
SEA
9:06a
7h 06m
1 stop
SEA
2:00a
YYZ
3:06a
1h 06m
1 stop
Depart: Tue Jul 18 2017 Return: Thu Jul 27 2017 Trip spans 10 days
Delta
Delta
YYZ
10:00a
SEA
7:05p
9h 05m
1 stop
SEA
5:15p
YYZ
11:58p
6h 43m
1 stop
Depart: Fri Jun 9 2017 Return: Mon Jun 12 2017 Trip spans 4 days
United
United
YYZ
9:46a
SEA
8:15p
10h 29m
1 stop
SEA
2:15p
YYZ
2:20a
12h 05m
2 stops
Depart: Tue Sep 19 2017 Return: Fri Sep 22 2017 Trip spans 4 days
WestJet
WestJet
YYZ
9:00a
SEA
6:50p
9h 50m
1 stop
SEA
5:40a
YYZ
12:59p
7h 19m
1 stop
Depart: Fri Jun 23 2017 Return: Fri Jun 30 2017 Trip spans 8 days
Major Airline
Major Airline
YYZ
1:00a
SEA
8:06a
7h 06m
nonstop
SEA
1:00a
YYZ
2:06a
1h 06m
nonstop
Depart: Fri Aug 18 2017 Return: Sun Aug 20 2017 Trip spans 3 days
Delta
Delta
YYZ
10:00a
SEA
6:50p
8h 50m
1 stop
SEA
4:45p
YYZ
11:58p
7h 13m
1 stop
Depart: Wed Sep 20 2017 Return: Fri Sep 22 2017 Trip spans 3 days
WestJet
WestJet
YYZ
9:45a
SEA
6:25p
8h 40m
1 stop
SEA
5:40a
YYZ
12:59p
7h 19m
1 stop
Depart: Thu Sep 14 2017 Return: Mon Sep 18 2017 Trip spans 5 days
Major Airline
Major Airline
YYZ
12:20a
SEA
9:21a
9h 01m
2 stops
SEA
1:40a
YYZ
10:59a
9h 19m
2 stops
Depart: Tue Aug 22 2017 Return: Wed Aug 30 2017 Trip spans 9 days
Delta
Delta
YYZ
10:00a
SEA
6:50p
8h 50m
1 stop
SEA
4:45p
YYZ
11:58p
7h 13m
1 stop
Depart: Thu Sep 21 2017 Return: Fri Sep 22 2017 Trip spans 2 days
WestJet
WestJet
YYZ
10:00a
SEA
6:50p
8h 50m
1 stop
SEA
5:40a
YYZ
12:59p
7h 19m
1 stop
Depart: Fri Sep 29 2017 Return: Mon Oct 2 2017 Trip spans 4 days
Major Airline
Major Airline
YYZ
5:45a
SEA
2:25p
8h 40m
nonstop
SEA
1:45a
YYZ
9:27a
7h 42m
nonstop
Depart: Fri Aug 25 2017 Return: Wed Aug 30 2017 Trip spans 6 days
Delta
Delta
YYZ
1:15p
SEA
10:57p
9h 42m
1 stop
SEA
4:45p
YYZ
11:58p
7h 13m
1 stop
Depart: Fri Sep 22 2017 Return: Sat Sep 23 2017 Trip spans 2 days
WestJet
WestJet
YYZ
11:00a
SEA
6:50p
7h 50m
1 stop
SEA
5:40a
YYZ
12:59p
7h 19m
1 stop
Depart: Tue Jul 4 2017 Return: Sat Aug 5 2017 Trip spans 33 days
Major Airline
Major Airline
YYZ
2:10a
SEA
10:40a
8h 30m
nonstop
SEA
11:30p
YYZ
9:44a
10h 14m
nonstop
Depart: Sat Aug 26 2017 Return: Wed Aug 30 2017 Trip spans 5 days
Delta
Delta
YYZ
1:05p
SEA
10:12p
9h 07m
1 stop
SEA
2:00a
YYZ
8:37a
6h 37m
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.

We compile tonnes of data for you
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

Toronto
$380
Destination

Seattle
$380