Best Time To Book Christmas Flights 2024 Usa. In the same way, if you want to travel during the christmas season, the months where you will be most likely to get the best prices are between august and november, before. Here's when you should book airfare for the cheapest prices, according to google flights data.
Aim to book about 38 days before departure. Kayak says the best time to book domestic flights for thanksgiving is at least one month ahead of time.