Since we are currently in March 2026, flights for the year 2024 have long since passed and are no longer available for purchase. Airlines typically release their flight schedules and seats for sale 330 to 360 days in advance of the departure date. This means that if you are looking to book travel for the remainder of 2026 or early 2027, you can do so right now. For example, if you want to book a flight for the 2026 winter holidays, those tickets became available in early 2026. If you are looking for the absolute best prices for your 2026 trips, "early bird" booking (about 1 to 3 months for domestic and 2 to 8 months for international) is the recommended strategy. If you were actually asking about the cheapest time to buy for the current year, data suggests that booking on a Tuesday or Wednesday for mid-week travel usually yields the best rates. Always use a tool like Google Flights to track price trends for your specific 2026 or 2027 dates.