Flight Deals from Boeing Field King County International Airport to Toronto
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Yearly Good Deal Price
Traveling from Seattle to Toronto is most expensive in late spring to early summer, while the lowest fares are found in late summer and fall.
When traveling from Seattle to Toronto, you can expect significant price variations throughout the year. The peak travel season occurs in late spring to early summer, with the highest prices generally seen in mid-May, often hitting around the upper range of $600 to $750. In contrast, late summer and early fall, particularly around October, tend to offer the lowest prices, often below $500. The transition into the high season is abrupt around late April, whereas you can find lower fares starting from mid-October onwards, marking the beginning of the low season.
Best Time to Book
Book your Seattle to Toronto flight 113-121 days in advance to avoid higher last-minute prices.
For the best deals on flights from Seattle to Toronto, aim to book your tickets between 113 and 121 days prior to departure, with prices typically peaking around $476 about 118 days out. Waiting any longer can lead to significant price increases, with last-minute bookings within 14 days of departure costing as much as $931. Therefore, if you're within 113 days of your travel date and haven't booked yet, it's advisable to secure your tickets right away to avoid an even steeper rise in prices.
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