Friday looks like the perfect day to begin a trip. The workweek ends, bags are packed, and the weekend is just beginning.

Every frequent flyer has a theory about the perfect day to book a flight. Some swear by Tuesday mornings, others trust their gut, and a surprising number still believe Friday is a disaster for airfare ...

According to Expedia's 2026 Air Hacks Report, there's a new standout answer to the age-old question of when is the cheapest day to book travel: Friday is emerging as the most budget-friendly day of ...