$181 Find Cheap Flights from Seattle to Toronto Region of Waterloo Intl - Compare and Save

Flights from Seattle to Toronto Region of Waterloo Intl Airport usually depart from Seattle/Tacoma Intl (SEA) and arrive at Toronto Region of Waterloo Intl (YKF).

Only Economy Class is available on flights from Seattle to Toronto Region of Waterloo Intl Airport.

Connecting flights from Seattle to Toronto Region of Waterloo Intl Airport most commonly pass through:

• Calgary (YYC) - 83% of one-stop connections
• Toronto Pearson Intl (YYZ) - 17% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 46% on the Seattle to Toronto Region of Waterloo Intl Airport route. Friday is the cheapest departure day at $267 round-trip on average, while Sunday is the most expensive at $491, a difference of $224. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Some of the most popular sights in Toronto Region of Waterloo Intl Airport are Rogers Centre, Union Station and Scotiabank Arena. These are among the most viewed places in Toronto Region of Waterloo Intl Airport on KAYAK.

There are currently no nonstop flights available from Seattle to Toronto Region of Waterloo Intl Airport. Flights with 1 layover take between 9h 18m and 9h 52m in total, depending on the connection.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $371 to $1,127. That means the highest observed fare was about 3x higher than the lowest one.

One-way fares from Seattle to Toronto Region of Waterloo Intl Airport are currently lower than usual. Average one-way flight prices are about $192, which is 20% below the typical average for this route.

Flying via Toronto Pearson Intl (YYZ) gives the shortest average 1-stop total travel time at 9h 18m, compared with 9h 52m via Calgary (YYC).

Toronto Region of Waterloo Intl Airport is 3 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.