When To Book Thanksgiving Flights 2024 Usa. Ideally, you should book your thanksgiving and christmas flights many months in advance. According to the same google study mentioned above, the optimal window to book your thanksgiving travel is roughly 26 to 59 days before departure — which, this year, starts around early october.

Learn how to save on airfare, the cheapest days to fly, and top holiday destinations. Includes the best times to book and the best & worst days to fly.