Find Deals on 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: Fri Apr 28 2017 Return: Sun Apr 30 2017 Trip spans 3 days
Delta
Delta
YYZ
1:15p
SEA
10:10p
8h 55m
1 stop
SEA
8:40p
YYZ
5:11a
8h 31m
1 stop
Depart: Thu May 4 2017 Return: Mon May 8 2017 Trip spans 5 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:15p
10h 45m
1 stop
SEA
5:28a
YYZ
12:30p
7h 02m
1 stop
Depart: Sun Apr 9 2017 Return: Sat Apr 15 2017 Trip spans 7 days
WestJet
WestJet
YYZ
4:15a
SEA
1:30p
9h 15m
1 stop
SEA
3:00p
YYZ
10:44p
7h 44m
1 stop
Depart: Sun Jul 9 2017 Return: Sun Jul 16 2017 Trip spans 8 days
American Airlines
American Airlines
YYZ
1:50p
SEA
10:55p
9h 05m
1 stop
SEA
3:30p
YYZ
4:21a
12h 51m
2 stops
Depart: Fri Jul 14 2017 Return: Sun Jul 16 2017 Trip spans 3 days
Air Canada
Air Canada
YYZ
4:55p
SEA
10:14p
5h 19m
nonstop
SEA
7:00a
YYZ
11:33a
4h 33m
nonstop
Depart: Tue Apr 18 2017 Return: Mon Apr 24 2017 Trip spans 7 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:15p
10h 45m
nonstop
SEA
2:55p
YYZ
3:15a
12h 20m
nonstop
Depart: Wed Apr 19 2017 Return: Fri Apr 21 2017 Trip spans 3 days
Delta
Delta
YYZ
1:15p
SEA
10:10p
8h 55m
1 stop
SEA
8:45p
YYZ
5:18a
8h 33m
1 stop
Depart: Mon Apr 10 2017 Return: Fri Apr 14 2017 Trip spans 5 days
WestJet
WestJet
YYZ
5:05a
SEA
1:23p
8h 18m
1 stop
SEA
3:00p
YYZ
11:15p
8h 15m
1 stop
Depart: Fri Apr 21 2017 Return: Tue May 2 2017 Trip spans 12 days
Delta
Delta
YYZ
1:15p
SEA
8:57p
7h 42m
1 stop
SEA
2:00a
YYZ
8:42a
6h 42m
1 stop
Depart: Tue May 2 2017 Return: Fri Jun 2 2017 Trip spans 32 days
Major Airline
Major Airline
YYZ
5:59a
SEA
2:49p
8h 50m
nonstop
SEA
11:05a
YYZ
7:19p
8h 14m
nonstop
Depart: Sat Apr 15 2017 Return: Sun Apr 16 2017 Trip spans 2 days
WestJet
WestJet
YYZ
10:00a
SEA
6:42p
8h 42m
1 stop
SEA
3:00p
YYZ
10:44p
7h 44m
1 stop
Depart: Fri Sep 1 2017 Return: Tue Sep 12 2017 Trip spans 12 days
Delta
Delta
YYZ
1:05p
SEA
10:12p
9h 07m
1 stop
SEA
9:10a
YYZ
4:23p
7h 13m
1 stop
Depart: Fri Sep 29 2017 Return: Wed Oct 11 2017 Trip spans 13 days
Major Airline
Major Airline
YYZ
10:50a
SEA
9:35p
10h 45m
1 stop
SEA
1:45a
YYZ
9:27a
7h 42m
1 stop
Depart: Sun Apr 16 2017 Return: Thu Apr 20 2017 Trip spans 5 days
WestJet
WestJet
YYZ
4:15a
SEA
1:30p
9h 15m
1 stop
SEA
5:40a
YYZ
1:25p
7h 45m
1 stop
Depart: Sat Sep 30 2017 Return: Wed Oct 11 2017 Trip spans 12 days
Major Airline
Major Airline
YYZ
10:50a
SEA
9:35p
10h 45m
2 stops
SEA
5:15a
YYZ
7:12p
13h 57m
2 stops
Depart: Thu May 11 2017 Return: Mon May 15 2017 Trip spans 5 days
Delta
Delta
YYZ
10:00a
SEA
6:49p
8h 49m
1 stop
SEA
3:05p
YYZ
11:19p
8h 14m
1 stop
Depart: Thu Apr 20 2017 Return: Fri Apr 21 2017 Trip spans 2 days
WestJet
WestJet
YYZ
5:05a
SEA
1:23p
8h 18m
1 stop
SEA
5:40a
YYZ
2:15p
8h 35m
1 stop
Depart: Tue Apr 11 2017 Return: Wed Apr 12 2017 Trip spans 2 days
Major Airline
Major Airline
YYZ
3:45a
SEA
1:10p
9h 25m
1 stop
SEA
2:55p
YYZ
9:25a
18h 30m
1 stop
Depart: Sat May 13 2017 Return: Sat May 20 2017 Trip spans 8 days
Delta
Delta
YYZ
10:00a
SEA
5:59p
7h 59m
1 stop
SEA
3:47p
YYZ
11:20p
7h 33m
1 stop
Depart: Sun Apr 30 2017 Return: Wed May 31 2017 Trip spans 32 days
WestJet
WestJet
YYZ
5:00a
SEA
1:30p
8h 30m
1 stop
SEA
3:35a
YYZ
11:45a
8h 10m
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

Toronto
$380
Destination

Seattle
$380
Airlines Airline reviews

54 travelers who booked a flight from Toronto to Seattle rated their chosen airlines with an average of 6.1.

Overall
6.0
Boarding
6.2
Crew
6.7
Comfort
6.0
Food
4.5
Entertainment
6.0