To save on the cost of your flight from Seattle to Toronto Kitchener-Waterloo Airport, book at least 38 days before your planned departure. Booking around this time can save you about 165% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $418 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $622.
February can be a great time to fly to Toronto Kitchener-Waterloo Airport from Seattle with a flight ticket averaging about $555. Cheapflights users have found deals in the month of February for as cheap as $170. 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
$436 - $491
Route
Depart
Return
Price
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Tue 5/28
1 stop13h 50m
Toronto Kitchener-Waterloo
Fri 5/31
2 stops18h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Sat 6/1
2 stops10h 40m
Toronto Kitchener-Waterloo
Sat 6/8
2 stops20h 09m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Tue 5/28
1 stop13h 50m
Toronto Kitchener-Waterloo
Fri 5/31
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Sat 6/1
2 stops10h 40m
Toronto Kitchener-Waterloo
Sat 6/8
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Tue 7/30
1 stop7h 23m
Toronto Kitchener-Waterloo
Sun 8/4
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Mon 5/27
2 stops33h 55m
Toronto Kitchener-Waterloo
Tue 6/4
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Mon 7/29
1 stop7h 23m
Toronto Kitchener-Waterloo
Mon 8/5
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Sat 6/1
1 stop15h 10m
Toronto Kitchener-Waterloo
Sat 6/8
1 stop9h 41m
Seattle/Tacoma IntlToronto Kitchener-Waterloo
SEA - YKF
SEAYKF
Seattle/Tacoma Intl
Sun 8/4
1 stop8h 02m
Toronto Kitchener-Waterloo
Fri 8/9
2 stops11h 31m
Food
Overall
Boarding
Entertainment
Comfort
Crew
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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