Flights from Seattle to Toronto

Find and compare Seattle to Toronto flights below: airline choices, nonstop availability, flight time and the months that usually offer the best value.

Seattle to Toronto flights overview

Fares on the Seattle to Toronto route move daily with demand, sales and seat availability, so BookingTrolley compares live prices from several suppliers in one place. Based on this route's seasonal pattern, fares average roughly A$ 794.96 over the year. Nov tends to be the cheapest month to fly (around A$ 662.72), while Jun is usually the most expensive at about A$ 986.48 — a swing of roughly 49%.

SEA and YYZ sit roughly 3,307 km apart, so total travel time depends on whether you fly nonstop or connect. Both full-service and low-cost carriers serve this corridor; BookingTrolley compares their published fares so you can weigh price against flight time and baggage.

Frequently asked questions about flying from Seattle to Toronto

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Explore fares from Seattle, into Toronto, and on related corridors with BookingTrolley.