$125 Cheap Air Canada flights Toronto (YTZ) to Washington (IAD)

Finding cheap one-way Air Canada flights from YTZ to IAD from $125 on Expedia is a cinch — just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $207 for your next break.**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.

To discover affordable flights from YTZ to IAD with Air Canada, begin your search about one month before your intended departure. You can save 17% when you book your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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.

To find the earliest departures from YTZ to IAD with Air Canada, filter your results by "Morning" and "Early Morning." Choosing an early flight usually means you're 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.

With an excellent in-flight experience and top-tier customer service, Air Canada is a popular option for many passengers flying from YTZ to IAD. What's more, if you're an Air Canada Aeroplan and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.