Best time to visit Santorini: Late April–June & September–October.
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Late April–June & September–October is the best window to visit Santorini. Warm, sunny, and noticeably less crowded and expensive than peak summer.
July–August is the stretch to avoid if possible. Extremely crowded and hot, with the highest hotel prices of the year.
Not necessarily — weather and crowd timing don't always match the cheapest airfare windows. Check our Best Time to Book Flights tool separately for pricing.
Usually yes — the weeks just before or after Santorini's best window often have nearly as good weather with noticeably fewer crowds and lower prices.