when is it best to book a flight
The Best Time To Book A Plane Ticket, According To A New Study. Remember this number. Finally, there’s a scientific answer to that magic number of days before a flight when tickets are at their cheapest.
But a study by Expedia and the Airlines Reporting Corporation says that based on billions (yes, billions) of passenger flights from January 1, 2016, through October 24, 2016, the best day to buy airline tickets is Sunday, especially if you're booking more than 21 days in advance.