5–7 months ahead due to lower frequency and higher demand. Mexico/Caribbean: 1–2 months ahead. Best Days to Book vs. Best Days to Fly
Some data suggests Sundays or midweek (Tuesday/Wednesday) can offer slightly lower average prices as airlines refresh their systems or release promotional fares. when should i buy flights
Searches in the early morning (5–9 a.m.) or late night (after 8 p.m.) often reveal better availability and lower fares before algorithms readjust for business traveler demand. Holiday and Peak Season Strategy 5–7 months ahead due to lower frequency and higher demand
For 2026 travel, the best time to buy flights generally falls into a "sweet spot" window: in advance for domestic trips and 2 to 8 months for international travel . Booking too early (more than 8 months out) or waiting until the last 3 weeks often results in higher fares. The "Sweet Spot" Booking Windows Best Days to Fly Some data suggests Sundays
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.