Study: Friday Best Day to Book Flights for Savings

A new Expedia 2026 Air Hacks Report reveals Friday as the cheapest day to both book and fly, saving travelers up to 8% compared to Sundays. Booking on Friday beats weekend rushes by 3%, while flying then unlocks deals driven by lighter business travel. For domestic trips, Tuesday offers the lowest fares at 14% less than Sunday, and midweek flights generally dodge peak prices. August emerges as the most affordable month, with steals to Honduras, Morelia, and Tokyo.