flight time from Kos to Santorini

By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kos to Santorini is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

The cheapest months to fly from Kos to Santorini is October, when demand for travel is lower.

After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Kos to Santorini on December 25, 2025 with AEGEAN, with prices starting at US$304.

The time difference between Santorini and Kos is 0h.

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