$220 Cheap Air Canada flights Denver (DEN) to Toronto (YYZ)

Make use of the "Price (lowest to highest)" filter on Expedia to find cheap Air Canada return flights from $443 from DEN to YYZ. Affordable one-way options from $220 are also on offer.**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.

Look for Air Canada flights from DEN to YYZ about one month before you want to leave. The cheapest time to reserve an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your fare class and itinerary, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**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 Air Canada flight from DEN to YYZ departs at 11:15AM UTC-7, arriving at 4:27PM UTC-5. If you prefer to set off later in the day, the last Air Canada flight leaves DEN at 5:25PM UTC-7 and touches down at YYZ at 10:37PM UTC-5. Flying early is often a smart option as morning and mid-morning flights are less likely to experience cancellations.**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.

Taking off from DEN to YYZ with Air Canada comes with plenty of perks, such as top-tier customer service and an excellent in-flight experience. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's on top of the Air Canada Aeroplan points you can earn with Air Canada.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.