Book 2 to 8 months ahead. For Europe, the sweet spot is often around 129 days (roughly 4 months) out.
For peak times like Thanksgiving and Christmas, start monitoring in August and aim to book by Halloween at the latest. Cheapest Days to Book vs. Fly
For 2026 travel, the cheapest time to buy plane tickets depends more on you book than the specific day of the week you purchase them. While "Travel Tuesday" was once a gold standard, dynamic pricing now makes great deals pop up any day. Optimal Booking Windows
Shifting a departure from the weekend to midweek can save an average of per ticket. Budget-Friendly Months