To save on the cost of your flight from Seattle to Toronto Kitchener-Waterloo Airport, book at least 27 days before your planned departure. Booking around this time can save you about 88% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $713 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $752.
January can be a great time to fly to Toronto Kitchener-Waterloo Airport from Seattle with a flight ticket averaging about $604. Cheapflights users have found deals in the month of January for as cheap as $198. The most expensive prices can be found in the month of July.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Toronto Kitchener-Waterloo Airport as you normally would.
Fly from
Fly to
Budget
$350 - $436
Route
Depart
Return
Price
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Fri 8/2
1 stop8h 02m
Toronto Kitchener-Waterloo
Wed 8/14
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Fri 8/2
1 stop8h 02m
Toronto Kitchener-Waterloo
Wed 8/7
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Wed 9/18
1 stop7h 28m
Toronto Kitchener-Waterloo
Thu 9/26
2 stops11h 33m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Fri 8/16
1 stop8h 02m
Toronto Kitchener-Waterloo
Sat 8/31
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Wed 9/18
1 stop7h 28m
Toronto Kitchener-Waterloo
Thu 9/26
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Tue 6/4
2 stops21h 05m
Toronto Kitchener-Waterloo
Tue 6/11
2 stops18h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Tue 6/4
1 stop15h 10m
Toronto Kitchener-Waterloo
Tue 6/11
2 stops18h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Tue 6/4
2 stops21h 05m
Toronto Kitchener-Waterloo
Tue 6/11
3 stops26h 05m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Mon 5/27
2 stops21h 05m
Toronto Kitchener-Waterloo
Wed 5/29
2 stops18h 41m
Crew
Overall
Comfort
Entertainment
Boarding
Food
Reviews
We had a great experience with the flight back to Toronto and crew were awesome.
Deals for Seattle to Kitchener-Waterloo flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
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