$203 Find Cheap Flights from Toronto to Seattle - Compare and Save

If your flying dates are flexible, you should consider flying to Seattle on a Thursday, as we generally find the cheapest rates on that day for this route. On the other hand, Monday is the most expensive day to fly from Toronto to Seattle. For your return ticket, we recommend flying on a Tuesday and avoiding Sundays for the best deals.

The cheapest month for flights from Toronto Pearson Intl Airport to Seattle is February, where tickets cost $237 (return) on average. On the other hand, the most expensive months are August and June, where the average cost of round-trip tickets is $458 and $453 respectively.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $437 on average.

To get a below average price on the flight from Toronto Pearson Intl Airport to Seattle, you should book around 4 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

In the past 5 days, the cheapest round-trip tickets from Toronto to Seattle were found on WestJet ($341) and Delta ($378).

There are 3 airlines that fly nonstop from Toronto Pearson Intl Airport to Seattle. They are: Air Canada, Alaska Airlines and United Airlines. The cheapest price of all airlines flying this route was found with Alaska Airlines at $202 for a round-trip flight. On average, the best prices for this route can be found at Alaska Airlines.

Weekly flights between Toronto and Seattle historically see delays in approximately 28% of cases, with the average delay over the past year being 155 minutes.

Typically, flights leaving in the early afternoon tend to face fewer delays, whereas flights in the evening have historically encountered delays more often.

Statistically, Saturday is the day of the week with the fewest delays on this flight route, while Monday has typically experienced more delays than other days.

Based on our data, Alaska Airlines have experienced the fewest delays on this route in the past 12 months, with only about 17% of their flights encountering any delays.

Calgary (YYC) is the top choice – 72% of KAYAK users who clicked on 1-stop flights from Toronto to Seattle picked an itinerary connecting there.

Flights via Toronto (YYZ) offer the most affordable fares, with an average round-trip price of $238.

Consider flying via Chicago (ORD) for the shortest journey. The average one-way travel time for flights connecting there is 7h 58m.

If you prefer a quick connection, Denver (DEN) often has the shortest layovers from Toronto to Seattle, with an average of 0h 54m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Each day, there are 2 nonstop flights that take off from Toronto Pearson Intl Airport and land in Seattle, with an average flight time of 5h 26m. The most common departure time is 4:00 pm and most flights take off in the afternoon. Each week, there are 14 flights and there are the same amount of flights each day (2).