Find Cheap Flights from Toronto to Seattle (YTO - 03A)

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 to Seattle

(Round-trip)
Depart: Tue Jan 9 2018 Return: Wed Jan 10 2018 Trip spans 2 days
Delta
Delta
YYZ
12:00a
SEA
9:26a
9h 26m
1 stop
SEA
12:00a
YYZ
6:46a
6h 46m
1 stop
Depart: Fri Feb 23 2018 Return: Sun Feb 25 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
YYZ
12:00a
SEA
11:32a
11h 32m
2 stops
SEA
12:00a
YYZ
9:41a
9h 41m
1 stop
Depart: Fri Dec 15 2017 Return: Sat Dec 30 2017 Trip spans 16 days
American Airlines
American Airlines
YYZ
12:00a
SEA
7:26a
7h 26m
1 stop
SEA
12:00a
YYZ
1:22p
13h 22m
1 stop
Depart: Thu May 3 2018 Return: Mon May 7 2018 Trip spans 5 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
12:39p
12h 39m
1 stop
SEA
12:00a
YTZ
12:26p
12h 26m
1 stop
Depart: Tue Feb 13 2018 Return: Wed Feb 21 2018 Trip spans 9 days
Delta
Delta
YYZ
12:00a
SEA
9:21a
9h 21m
1 stop
SEA
12:00a
YYZ
6:43a
6h 43m
1 stop
Depart: Sun Mar 4 2018 Return: Wed Mar 7 2018 Trip spans 4 days
Delta
Delta
YYZ
12:00a
SEA
9:04a
9h 04m
1 stop
SEA
12:00a
YYZ
8:36a
8h 36m
1 stop
Depart: Fri Apr 27 2018 Return: Mon Apr 30 2018 Trip spans 4 days
Delta
Delta
YYZ
12:00a
SEA
9:20a
9h 20m
1 stop
SEA
12:00a
YYZ
6:35a
6h 35m
1 stop
Depart: Thu May 3 2018 Return: Thu May 10 2018 Trip spans 8 days
Delta
Delta
YYZ
12:00a
SEA
9:04a
9h 04m
1 stop
SEA
12:00a
YYZ
6:43a
6h 43m
1 stop
Depart: Fri Apr 27 2018 Return: Sat May 5 2018 Trip spans 9 days
Delta
Delta
YYZ
12:00a
SEA
9:20a
9h 20m
1 stop
SEA
12:00a
YYZ
8:02a
8h 02m
1 stop
Depart: Sun Jan 14 2018 Return: Thu Feb 8 2018 Trip spans 26 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
11:19a
11h 19m
1 stop
SEA
12:00a
YTZ
11:06a
11h 06m
1 stop
Depart: Fri Apr 27 2018 Return: Sat May 5 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
2:39p
14h 39m
1 stop
SEA
12:00a
YTZ
8:51a
8h 51m
1 stop
Depart: Thu May 3 2018 Return: Sun May 6 2018 Trip spans 4 days
Delta
Delta
YYZ
12:00a
SEA
9:04a
9h 04m
1 stop
SEA
12:00a
YYZ
6:35a
6h 35m
1 stop
Depart: Sat Jun 2 2018 Return: Sun Jun 10 2018 Trip spans 9 days
Porter Airlines
Porter Airlines
YTZ
12:00a
SEA
12:04p
12h 04m
1 stop
SEA
12:00a
YTZ
10:30a
10h 30m
1 stop
Depart: Sat Apr 28 2018 Return: Sun May 6 2018 Trip spans 9 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
2:59p
14h 59m
1 stop
SEA
12:00a
YTZ
12:31p
12h 31m
1 stop
Depart: Mon Jun 11 2018 Return: Wed Jun 20 2018 Trip spans 10 days
Delta
Delta
YYZ
12:00a
SEA
9:05a
9h 05m
1 stop
SEA
12:00a
YYZ
7:04a
7h 04m
1 stop
Depart: Fri Feb 9 2018 Return: Thu Feb 15 2018 Trip spans 7 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
10:47p
22h 47m
2 stops
SEA
12:00a
YTZ
5:55p
17h 55m
2 stops
Depart: Sat Apr 28 2018 Return: Sun May 6 2018 Trip spans 9 days
Delta
Delta
YYZ
12:00a
SEA
12:21p
12h 21m
2 stops
SEA
12:00a
YYZ
9:48a
9h 48m
1 stop
Depart: Mon May 21 2018 Return: Thu May 31 2018 Trip spans 11 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
10:34a
10h 34m
1 stop
SEA
12:00a
YTZ
10:11a
10h 11m
1 stop
Depart: Mon Jun 11 2018 Return: Wed Jun 20 2018 Trip spans 10 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
12:29p
12h 29m
1 stop
SEA
12:00a
YTZ
2:26p
14h 26m
1 stop
Depart: Fri Feb 23 2018 Return: Sun Feb 25 2018 Trip spans 3 days
Multiple Airlines
Multiple Airlines
YTZ
12:00a
SEA
11:00a
11h 00m
1 stop
SEA
12:00a
YTZ
4:37p
16h 37m
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.

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Airports
Origin

Toronto
only $342
only $537
Destination

Seattle
$342