The Search for the Inexpensive Airline Tickets and the Right Time to Buy.
Typically, flights are sold best several weeks ahead, while midweek Tuesdays and Wednesdays are typically the cheapest, though it can also depend on whether domestic or international. Domestic is best booked 1-3 months in advance; international flights are typically the cheapest when 4-6 months before the date. They also recommend steering clear of high seasons…