Find Deals on Flights from Toronto 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
Students
under 26
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 Jan 19 2017 Return: Sun Jan 22 2017 Trip spans 4 days
Delta
Delta
YYZ
10:46a
SEA
8:17p
9h 31m
1 stop
SEA
8:18a
YYZ
3:35p
7h 17m
1 stop
Depart: Thu Mar 9 2017 Return: Sun Mar 12 2017 Trip spans 3 days
Major Airline
Major Airline
YYZ
11:00p
SEA
7:32a
8h 32m
nonstop
SEA
12:55p
YYZ
7:37p
6h 42m
nonstop
Depart: Wed Jan 11 2017 Return: Tue Jan 17 2017 Trip spans 7 days
American Airlines
American Airlines
YYZ
7:35a
SEA
6:52p
11h 17m
1 stop
SEA
3:00a
YYZ
1:18p
10h 18m
1 stop
Depart: Mon Feb 20 2017 Return: Mon Feb 27 2017 Trip spans 8 days
United
United
YYZ
1:21p
SEA
8:19a
18h 58m
1 stop
SEA
1:16a
YYZ
1:15a
23h 59m
1 stop
Depart: Wed Jun 14 2017 Return: Sat Jun 24 2017 Trip spans 11 days
WestJet
WestJet
YYZ
4:55a
SEA
1:00p
8h 05m
1 stop
SEA
5:40a
YYZ
3:01p
9h 21m
1 stop
Depart: Sat Dec 31 2016 Return: Mon Jan 9 2017 Trip spans 10 days
Air Canada
Air Canada
YYZ
2:00a
SEA
9:25a
7h 25m
1 stop
SEA
3:10a
YYZ
7:45a
4h 35m
nonstop
Depart: Mon Feb 6 2017 Return: Mon Feb 13 2017 Trip spans 8 days
Delta
Delta
YYZ
10:59a
SEA
7:51p
8h 52m
1 stop
SEA
6:00p
YYZ
1:02a
7h 02m
1 stop
Depart: Wed Feb 15 2017 Return: Sun Feb 19 2017 Trip spans 5 days
Major Airline
Major Airline
YYZ
1:45a
SEA
9:40a
7h 55m
1 stop
SEA
9:00a
YYZ
5:40p
8h 40m
1 stop
Depart: Fri Jan 13 2017 Return: Tue Jan 24 2017 Trip spans 12 days
American Airlines
American Airlines
YYZ
6:45a
SEA
6:03p
11h 18m
1 stop
SEA
3:00a
YYZ
9:30a
6h 30m
1 stop
Depart: Thu Feb 9 2017 Return: Sun Feb 12 2017 Trip spans 4 days
Delta
Delta
YYZ
10:59a
SEA
7:51p
8h 52m
1 stop
SEA
12:44a
YYZ
7:19a
6h 35m
1 stop
Depart: Sat Jan 14 2017 Return: Tue Jan 24 2017 Trip spans 11 days
American Airlines
American Airlines
YYZ
2:59a
SEA
6:03p
15h 04m
1 stop
SEA
3:00a
YYZ
9:30a
6h 30m
1 stop
Depart: Fri Feb 10 2017 Return: Sun Feb 12 2017 Trip spans 3 days
Delta
Delta
YYZ
1:30a
SEA
11:05a
9h 35m
1 stop
SEA
12:44a
YYZ
7:19a
6h 35m
1 stop
Depart: Sat Feb 4 2017 Return: Sat Feb 11 2017 Trip spans 8 days
Major Airline
Major Airline
YYZ
9:00p
SEA
4:20a
7h 20m
2 stops
SEA
10:10p
YYZ
2:45a
4h 35m
2 stops
Depart: Tue Dec 13 2016 Return: Sat Dec 31 2016 Trip spans 19 days
United
United
YYZ
3:15a
SEA
3:59p
12h 44m
1 stop
SEA
6:10a
YYZ
10:45a
4h 35m
nonstop
Depart: Mon Jan 23 2017 Return: Fri Jan 27 2017 Trip spans 5 days
American Airlines
American Airlines
YYZ
10:15a
SEA
6:03p
7h 48m
1 stop
SEA
1:30a
YYZ
9:30a
8h 00m
1 stop
Depart: Fri Apr 21 2017 Return: Tue May 2 2017 Trip spans 12 days
Delta
Delta
YYZ
2:00a
SEA
11:35a
9h 35m
1 stop
SEA
2:00a
YYZ
9:58a
7h 58m
1 stop
Depart: Thu Jan 12 2017 Return: Sun Jan 15 2017 Trip spans 4 days
Major Airline
Major Airline
YYZ
9:00p
SEA
4:20a
7h 20m
1 stop
SEA
12:05a
YYZ
8:22a
8h 17m
1 stop
Depart: Sun Jun 25 2017 Return: Wed Jul 5 2017 Trip spans 11 days
United
United
YYZ
8:30a
SEA
4:19p
7h 49m
1 stop
SEA
7:05p
YYZ
2:17a
7h 12m
1 stop
Depart: Fri Jan 20 2017 Return: Sun Jan 22 2017 Trip spans 3 days
American Airlines
American Airlines
YYZ
6:45a
SEA
2:16p
7h 31m
1 stop
SEA
1:30a
YYZ
9:30a
8h 00m
1 stop
Depart: Thu Feb 2 2017 Return: Fri Feb 10 2017 Trip spans 9 days
Major Airline
Major Airline
YYZ
1:45a
SEA
9:50a
8h 05m
1 stop
SEA
3:40a
YYZ
5:00p
13h 20m
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,
please send us an email and someone from our team will get back to you promptly.

Airports
Origin

Toronto
$437
Destination

Seattle
$437
Airlines Airline reviews

47 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
6.6
Comfort
6.1
Food
4.6
Entertainment
6.0