Find Deals on Flights from Toronto to Seattle/Tacoma Intl (YTO - SEA)

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/Tacoma Intl

(Round-trip)
Depart: Wed Apr 12 2017 Return: Thu Apr 20 2017 Trip spans 9 days
Delta
Delta
YYZ
1:15p
SEA
10:10p
8h 55m
1 stop
SEA
9:15a
YYZ
4:16p
7h 01m
1 stop
Depart: Thu Apr 27 2017 Return: Mon May 1 2017 Trip spans 5 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:15p
10h 45m
1 stop
SEA
11:00a
YYZ
7:20p
8h 20m
1 stop
Depart: Fri Apr 7 2017 Return: Tue May 2 2017 Trip spans 26 days
WestJet
WestJet
YYZ
2:45a
SEA
11:28a
8h 43m
1 stop
SEA
3:35a
YYZ
12:45p
9h 10m
1 stop
Depart: Mon May 29 2017 Return: Mon Jun 12 2017 Trip spans 15 days
United
United
YYZ
1:56p
SEA
11:15p
9h 19m
1 stop
SEA
7:05p
YYZ
2:17a
7h 12m
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
9:15a
YYZ
4:22p
7h 07m
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: Mon Apr 10 2017 Trip spans 2 days
WestJet
WestJet
YYZ
4:15a
SEA
1:30p
9h 15m
1 stop
SEA
3:00p
YYZ
12:00a
9h 00m
1 stop
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: Sat May 6 2017 Return: Mon May 8 2017 Trip spans 3 days
Major Airline
Major Airline
YYZ
10:30a
SEA
8:17p
9h 47m
2 stops
SEA
11:00a
YYZ
7:20p
8h 20m
2 stops
Depart: Thu Jun 1 2017 Return: Tue Jul 25 2017 Trip spans 55 days
WestJet
WestJet
YYZ
6:00a
SEA
1:20p
7h 20m
1 stop
SEA
10:00a
YYZ
5:44p
7h 44m
1 stop
Depart: Fri May 12 2017 Return: Sat May 20 2017 Trip spans 9 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:13p
10h 43m
1 stop
SEA
1:40a
YYZ
9:29a
7h 49m
1 stop
Depart: Wed Apr 5 2017 Return: Tue Apr 11 2017 Trip spans 7 days
Delta
Delta
YYZ
3:15a
SEA
11:55a
8h 40m
1 stop
SEA
8:45p
YYZ
5:21a
8h 36m
1 stop
Depart: Fri Jun 2 2017 Return: Sun Jun 4 2017 Trip spans 3 days
WestJet
WestJet
YYZ
4:50a
SEA
1:20p
8h 30m
1 stop
SEA
3:35a
YYZ
12:45p
9h 10m
1 stop
Depart: Wed Apr 26 2017 Return: Tue May 2 2017 Trip spans 7 days
Major Airline
Major Airline
YYZ
10:30a
SEA
9:15p
10h 45m
1 stop
SEA
11:35p
YYZ
8:45a
9h 10m
1 stop
Depart: Wed Aug 23 2017 Return: Mon Aug 28 2017 Trip spans 6 days
Delta
Delta
YYZ
1:15p
SEA
10:47p
9h 32m
1 stop
SEA
6:45p
YYZ
1:29a
6h 44m
1 stop
Depart: Tue Jun 27 2017 Return: Mon Jul 3 2017 Trip spans 7 days
United
United
YYZ
4:25p
SEA
12:13a
7h 48m
1 stop
SEA
7:05p
YYZ
2:17a
7h 12m
1 stop
Depart: Sat Jun 10 2017 Return: Tue Aug 8 2017 Trip spans 60 days
WestJet
WestJet
YYZ
6:10a
SEA
4:14p
10h 04m
1 stop
SEA
3:45a
YYZ
11:44a
7h 59m
1 stop
Depart: Tue Sep 5 2017 Return: Tue Sep 12 2017 Trip spans 8 days
Major Airline
Major Airline
YYZ
10:50a
SEA
9:35p
10h 45m
1 stop
SEA
2:40p
YYZ
5:47a
15h 07m
1 stop
Depart: Mon Sep 11 2017 Return: Mon Sep 25 2017 Trip spans 15 days
Delta
Delta
YYZ
1:05p
SEA
10:22p
9h 17m
1 stop
SEA
7:20p
YYZ
1:30a
6h 10m
1 stop
Depart: Sun Jun 11 2017 Return: Tue Aug 8 2017 Trip spans 59 days
WestJet
WestJet
YYZ
4:00a
SEA
1:09p
9h 09m
1 stop
SEA
4:45p
YYZ
11:54p
7h 09m
1 stop
Direct flights YTO to SEA on United
Flight # Depart YYZ Arrive SEA Sun Mon Tue Wed Thu Fri Sat Valid Between
8619 8:20 am 10:30 am Mar 26 - Apr 30
8525 7:00 pm 9:10 pm Apr 24 - Apr 30
8525 7:00 pm 9:10 pm Apr 27 - Apr 27
8525 7:00 pm 9:10 pm Apr 14 - Apr 23
8525 7:00 pm 9:10 pm Apr 13 - Apr 18
8525 7:00 pm 9:10 pm Mar 26 - Apr 12
* 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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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
$380
Destination

Seattle
$380