When Should I Buy Flights 90%

1–3 months (roughly 3–8 weeks) before departure. For 2026, the average cheapest day to book a domestic flight is 43 days before takeoff.

Standard windows shift during high-demand periods. For these, booking as soon as you see a "fair" price is recommended over waiting for a dip. when should i buy flights

Some data suggests Sundays or midweek (Tuesday/Wednesday) can offer slightly lower average prices as airlines refresh their systems or release promotional fares. 1–3 months (roughly 3–8 weeks) before departure