2–8 months in advance. Specifically: Europe: 3–5 months ahead.
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 when should i buy flights
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 2–8 months in advance
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. Booking too early (more than 8 months out)
Some data suggests Sundays or midweek (Tuesday/Wednesday) can offer slightly lower average prices as airlines refresh their systems or release promotional fares.
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
Airlines initially set high baseline prices and adjust them as they gauge demand. Targeting these specific windows helps you catch the lowest fare buckets before they sell out.