The most affordable window is often 8–15 days before departure for quick trips, though long-haul routes (like Europe or Asia) typically require 3–6 months of advance planning for the best value.
Planning your purchase within these "Goldilocks windows" is generally more effective than choosing a specific day of the week. best time to buy cheap flights
Aim to book 15–30 days before departure for the best rates. Prices typically bottom out around 44 days out for broader U.S. travel. The most affordable window is often 8–15 days
For Thanksgiving and Christmas, the "book-by" deadline is typically October 31st . Best Day And Time To Buy Plane Tickets - Forbes best time to buy cheap flights