$129 Cheap Air Canada flights Toronto (YYZ) to Boston (BOS)

Set the "Price (lowest to highest)" filter on Expedia to find cheap Air Canada round-trip flights from $204 from YYZ to BOS. Affordable one-way options from $129 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Landing the best Air Canada deals from YYZ to BOS often comes down to booking at the right time. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. To top it off, you can pocket 17% on average by buying your tickets on a Sunday compared to a Friday, which is usually the most expensive day to book.* It's a good idea to start checking out flights about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The first flight from YYZ to BOS with Air Canada leaves at 8:00AM UTC-5. You'll touch down at 9:42AM UTC-5. The last Air Canada flight of the day leaves at 8:55PM UTC-5 and arrives at 10:37PM UTC-5. With 20% fewer cancellations for departures before midday, starting your travel day early is typically the smartest choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Air Canada makes traveling from YYZ to BOS more enjoyable with a 4-star airline rating and an excellent in-flight experience. You could even start earning points with Air Canada Aeroplan. Remember to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.