The search for the "best day" to buy a flight has shifted from a specific calendar day to a strategy of monitoring "booking windows." While long-standing travel myths suggested that booking on a Tuesday was the only way to save, modern dynamic pricing algorithms have made that rule less reliable. The Best Day to Book (Buying the Ticket)
: Some studies still point to Friday as a strong contender for international deals due to shifts in business travel habits. The Best Day to Fly (The Departure Date) what is the best day to buy a flight
: Booking on a Sunday instead of a Friday or Monday can save an average of 6% on U.S. domestic flights. The search for the "best day" to buy