Cheapest return flights from Kos to Athens in December from $84

AirHint found the following cheapest return flights from Kos (KGS) to Athens (ATH) in December 2025 (see full year).

Return flights

11 Dec - 17 Dec SKY express direct
11 Dec - 15 Dec SKY express direct
11 Dec - 22 Dec SKY express direct
11 Dec - 30 Dec SKY express direct
11 Dec - 19 Dec SKY express direct
11 Dec - 14 Dec SKY express direct
11 Dec - 18 Dec SKY express direct
11 Dec - 13 Dec SKY express direct
11 Dec - 25 Dec SKY express direct
11 Dec - 16 Dec SKY express direct
31 Dec - 16 Jan SKY express direct
31 Dec - 14 Jan SKY express direct
31 Dec - 17 Jan SKY express direct
31 Dec - 18 Jan SKY express direct
30 Dec - 16 Jan SKY express
30 Dec - 14 Jan SKY express
30 Dec - 17 Jan SKY express
30 Dec - 18 Jan SKY express
01 Dec - 15 Jan SKY express direct
30 Dec - 16 Jan SKY express direct

Also check the deals for one-way flights from Kos to Athens in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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