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: Tue Mar 14 2017 Return: Thu Apr 6 2017 Trip spans 24 days
Major Airline
Major Airline
YYZ
11:59p
SEA
7:30a
7h 31m
1 stop
SEA
11:00a
YYZ
7:15p
8h 15m
1 stop
Depart: Wed Mar 15 2017 Return: Thu Apr 6 2017 Trip spans 23 days
Delta
Delta
YYZ
10:00a
SEA
6:50p
8h 50m
1 stop
SEA
2:39a
YYZ
1:10p
10h 31m
1 stop
Depart: Sun Mar 19 2017 Return: Mon Mar 27 2017 Trip spans 9 days
American Airlines
American Airlines
YYZ
3:00a
SEA
11:48p
20h 48m
1 stop
SEA
7:55p
YYZ
4:03a
8h 08m
1 stop
Depart: Sun May 28 2017 Return: Fri Jun 9 2017 Trip spans 13 days
WestJet
WestJet
YYZ
5:00a
SEA
1:05p
8h 05m
1 stop
SEA
6:00a
YYZ
1:00p
7h 00m
1 stop
Depart: Mon Jun 12 2017 Return: Thu Jun 15 2017 Trip spans 4 days
Air Canada
Air Canada
YYZ
4:00a
SEA
12:46p
8h 46m
1 stop
SEA
10:20a
YYZ
4:46p
6h 26m
1 stop
Depart: Thu Mar 30 2017 Return: Sat Apr 8 2017 Trip spans 10 days
Delta
Delta
YYZ
10:00a
SEA
6:50p
8h 50m
1 stop
SEA
3:00p
YYZ
10:44p
7h 44m
1 stop
Depart: Mon Mar 20 2017 Return: Sat Mar 25 2017 Trip spans 6 days
Major Airline
Major Airline
YYZ
7:10a
SEA
4:51p
9h 41m
2 stops
SEA
12:55p
YYZ
7:37p
6h 42m
2 stops
Depart: Tue Mar 21 2017 Return: Mon Mar 27 2017 Trip spans 7 days
American Airlines
American Airlines
YYZ
10:35a
SEA
8:13p
9h 38m
1 stop
SEA
7:55p
YYZ
4:03a
8h 08m
1 stop
Depart: Fri Mar 17 2017 Return: Mon Mar 20 2017 Trip spans 4 days
WestJet
WestJet
YYZ
5:05a
SEA
1:30p
8h 25m
1 stop
SEA
4:55p
YYZ
11:37p
6h 42m
1 stop
Depart: Thu Apr 6 2017 Return: Mon Apr 10 2017 Trip spans 5 days
Delta
Delta
YYZ
10:00a
SEA
6:42p
8h 42m
1 stop
SEA
3:00p
YYZ
10:44p
7h 44m
1 stop
Depart: Mon May 15 2017 Return: Mon May 29 2017 Trip spans 15 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:13p
10h 43m
2 stops
SEA
2:40p
YYZ
3:00a
12h 20m
2 stops
Depart: Sun May 14 2017 Return: Wed May 24 2017 Trip spans 11 days
WestJet
WestJet
YYZ
4:50a
SEA
1:20p
8h 30m
1 stop
SEA
3:40a
YYZ
11:45a
8h 05m
1 stop
Depart: Mon Apr 24 2017 Return: Sun May 7 2017 Trip spans 14 days
Delta
Delta
YYZ
10:00a
SEA
6:42p
8h 42m
1 stop
SEA
3:05p
YYZ
11:19p
8h 14m
1 stop
Depart: Tue Jun 6 2017 Return: Tue Jun 13 2017 Trip spans 8 days
Major Airline
Major Airline
YYZ
10:50a
SEA
9:10p
10h 20m
1 stop
SEA
1:40a
YYZ
11:00a
9h 20m
1 stop
Depart: Sun Jun 11 2017 Return: Fri Jun 16 2017 Trip spans 6 days
WestJet
WestJet
YYZ
4:50a
SEA
1:20p
8h 30m
1 stop
SEA
5:40a
YYZ
3:00p
9h 20m
1 stop
Depart: Tue Feb 28 2017 Return: Wed Mar 8 2017 Trip spans 9 days
American Airlines
American Airlines
YYZ
6:45a
SEA
9:34p
14h 49m
2 stops
SEA
3:00a
YYZ
1:17p
10h 17m
1 stop
Depart: Tue Apr 25 2017 Return: Sun May 7 2017 Trip spans 13 days
Delta
Delta
YYZ
10:00a
SEA
6:42p
8h 42m
1 stop
SEA
3:05p
YYZ
11:19p
8h 14m
1 stop
Depart: Wed Apr 19 2017 Return: Thu May 18 2017 Trip spans 30 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:15p
10h 45m
nonstop
SEA
11:40p
YYZ
8:45a
9h 05m
nonstop
Depart: Sat May 27 2017 Return: Wed Jun 14 2017 Trip spans 19 days
WestJet
WestJet
YYZ
6:10a
SEA
9:40a
27h 30m
1 stop
SEA
4:45p
YYZ
11:55p
7h 10m
1 stop
Depart: Wed Apr 26 2017 Return: Sat Apr 29 2017 Trip spans 4 days
Delta
Delta
YYZ
10:00a
SEA
6:42p
8h 42m
1 stop
SEA
3:00p
YYZ
11:20p
8h 20m
1 stop
* Prices are per person and are for e–tickets and include all taxes & fees in USD.

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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
$381
Destination

Seattle
$381
Airlines Airline reviews

53 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
4.6
Entertainment
5.9