Find Cheap Flights to Toronto

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 Seattle to Toronto

(Round-trip)
Depart: Sat Oct 7 2017 Return: Sun Oct 8 2017 Trip spans 2 days
WestJet
WestJet
SEA
9:40a
YYZ
11:47p
14h 07m
1 stop
YYZ
5:00a
SEA
1:24p
8h 24m
1 stop
Depart: Tue Sep 12 2017 Return: Sun Sep 17 2017 Trip spans 6 days
Air Canada
Air Canada
SEA
2:30a
YYZ
6:58a
4h 28m
nonstop
YYZ
3:30a
SEA
10:30a
7h 00m
1 stop
Depart: Fri Sep 29 2017 Return: Mon Oct 2 2017 Trip spans 4 days
Delta
Delta
SEA
2:00a
YYZ
8:43a
6h 43m
1 stop
YYZ
1:00p
SEA
9:00p
8h 00m
1 stop
Depart: Sat Dec 16 2017 Return: Sun Dec 17 2017 Trip spans 2 days
United
United
SEA
5:40a
YYZ
2:50p
9h 10m
1 stop
YYZ
5:22a
SEA
1:24p
8h 02m
1 stop
Depart: Wed Sep 6 2017 Return: Tue Sep 12 2017 Trip spans 7 days
American Airlines
American Airlines
SEA
1:25p
YYZ
4:04a
14h 39m
1 stop
YYZ
3:00a
SEA
1:29p
10h 29m
1 stop
Depart: Wed Dec 27 2017 Return: Tue Jan 2 2018 Trip spans 7 days
Alaska Airlines
Alaska Airlines
SEA
7:35p
YYZ
3:21a
7h 46m
1 stop
YYZ
10:03a
SEA
8:17p
10h 14m
1 stop
Depart: Thu Aug 24 2017 Return: Tue Aug 29 2017 Trip spans 6 days
Major Airline
Major Airline
SEA
8:15p
YYZ
4:05a
7h 50m
1 stop
YYZ
7:45a
SEA
6:10p
10h 25m
1 stop
Depart: Fri Nov 24 2017 Return: Sat Nov 25 2017 Trip spans 2 days
WestJet
WestJet
SEA
12:05p
YYZ
10:38p
10h 33m
1 stop
YYZ
4:00a
SEA
12:20p
8h 20m
1 stop
Depart: Wed Sep 13 2017 Return: Thu Sep 21 2017 Trip spans 9 days
Air Canada
Air Canada
SEA
2:30a
YYZ
6:58a
4h 28m
nonstop
YYZ
3:30p
SEA
8:43p
5h 13m
nonstop
Depart: Sun Feb 4 2018 Return: Sun Feb 11 2018 Trip spans 8 days
Delta
Delta
SEA
6:15p
YYZ
1:00a
6h 45m
1 stop
YYZ
7:00a
SEA
3:38p
8h 38m
1 stop
Depart: Thu Sep 21 2017 Return: Mon Sep 25 2017 Trip spans 5 days
United
United
SEA
8:20p
YYZ
2:28a
6h 08m
1 stop
YYZ
3:59p
SEA
12:23a
8h 24m
1 stop
Depart: Sat Sep 9 2017 Return: Mon Sep 11 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
1:25p
YYZ
4:04a
14h 39m
1 stop
YYZ
3:30a
SEA
8:05p
16h 35m
1 stop
Depart: Thu Sep 14 2017 Return: Sun Sep 17 2017 Trip spans 4 days
Air Canada
Air Canada
SEA
2:30a
YYZ
6:58a
4h 28m
nonstop
YYZ
3:30a
SEA
10:30a
7h 00m
1 stop
Depart: Wed Oct 4 2017 Return: Thu Oct 19 2017 Trip spans 16 days
WestJet
WestJet
SEA
5:44a
YYZ
12:59p
7h 15m
1 stop
YYZ
5:00a
SEA
1:24p
8h 24m
1 stop
Depart: Sun Feb 11 2018 Return: Sat Feb 17 2018 Trip spans 7 days
Delta
Delta
SEA
8:55a
YYZ
3:30p
6h 35m
1 stop
YYZ
12:00p
SEA
7:41p
7h 41m
1 stop
Depart: Thu Oct 5 2017 Return: Tue Oct 10 2017 Trip spans 6 days
United
United
SEA
1:45a
YYZ
10:20a
8h 35m
1 stop
YYZ
3:00a
SEA
10:39a
7h 39m
1 stop
Depart: Thu Sep 7 2017 Return: Sat Sep 9 2017 Trip spans 3 days
American Airlines
American Airlines
SEA
7:59p
YYZ
12:14p
16h 15m
1 stop
YYZ
3:00a
SEA
10:01p
19h 01m
1 stop
Depart: Sun Sep 17 2017 Return: Thu Sep 21 2017 Trip spans 5 days
Air Canada
Air Canada
SEA
2:30a
YYZ
6:58a
4h 28m
nonstop
YYZ
3:30p
SEA
8:43p
5h 13m
nonstop
Depart: Wed Sep 27 2017 Return: Sun Oct 1 2017 Trip spans 5 days
WestJet
WestJet
SEA
5:50a
YYZ
12:59p
7h 09m
1 stop
YYZ
4:50a
SEA
1:24p
8h 34m
1 stop
Depart: Mon Jan 1 2018 Return: Tue Jan 2 2018 Trip spans 2 days
Alaska Airlines
Alaska Airlines
SEA
7:35p
YYZ
3:21a
7h 46m
1 stop
YYZ
10:03a
SEA
8:17p
10h 14m
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:

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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

Seattle
$461
Destination

Toronto
$461
Airlines Airline reviews

45 travelers who booked a flight from Seattle to Toronto rated their chosen airlines with an average of 6.4.

Overall
6.7
Boarding
6.5
Crew
7.5
Comfort
6.4
Food
5.4
Entertainment
5.9