According to the latest 2026 travel data, Friday has emerged as the best day of the week to book Air Canada tickets for maximum savings. While the old "Tuesday" myth has largely faded due to real-time AI pricing, the 2026 Air Travel Hacks Report indicates that booking on a Friday can save you up to 11% to 15% compared to booking on a Sunday, which remains the most expensive day to buy. For the flight itself, Tuesday and Wednesday remain the cheapest days to actually fly. For 2026 travelers, the most effective strategy is to book roughly 1 to 3 months in advance for domestic Canadian flights and 4 to 8 months for international routes to Europe or Asia. Air Canada also frequently launches "Weekend Flash Sales" on Thursday evenings, so checking your email or the app on Friday morning is the "sweet spot" for snagging a last-minute 2026 deal.