$689 Cheap Air Canada flights St. Louis (STL) to Delhi (DEL)

Scoring cheap one-way Air Canada flights from STL to DEL from $689 on Expedia is easy --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $845 for your next exciting adventure.**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 find affordable flights from STL to DEL with Air Canada, start searching about one month before your planned 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 good tip? Booking on Sunday can lead to 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.

Browse Air Canada's earliest flights from STL to DEL by using the "Early Morning" and "Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**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 STL to DEL with Air Canada means enjoying a variety of perks, including an excellent in-flight experience and top-tier customer service. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem 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.