The "sweet spot" is typically 1 to 3 months before departure. Average prices often hit their lowest point around 28 to 44 days out.
If you're traveling during Christmas, Thanksgiving, or summer vacation, the rules change. Book as early as possible, ideally 3 to 6 months in advance, as these seats rarely go on sale. When to Fly (vs. When to Buy) when are tickets cheapest to buy
While the day you buy the ticket has less impact than it used to, the day you actually fly matters significantly for your wallet: When to Book a Flight for the Best Price (it's not Tuesday) The "sweet spot" is typically 1 to 3 months before departure
The best time to book varies based on where you are going and when you plan to fly: or summer vacation
