Cheapest return flights from Kos to Athens in December from 99€

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

Return flights

31 Dec - 20 Jan SKY express direct
31 Dec - 19 Jan SKY express direct
27 Dec - 30 Dec Aegean Airlines direct
31 Dec - 15 Jan SKY express direct
31 Dec - 21 Jan SKY express direct
31 Dec - 16 Jan SKY express direct
27 Dec - 15 Jan SKY express direct
27 Dec - 16 Jan SKY express direct
31 Dec - 18 Jan SKY express direct
31 Dec - 14 Jan SKY express direct
30 Dec - 19 Jan SKY express
27 Dec - 31 Dec Aegean Airlines direct
30 Dec - 31 Dec SKY express
27 Dec - 28 Dec SKY express direct
31 Dec - 31 Dec SKY express direct
30 Dec - 31 Dec SKY express direct
27 Dec - 29 Dec SKY express direct
28 Dec - 30 Dec Aegean Airlines direct
29 Dec - 30 Dec Aegean Airlines direct
29 Dec - 31 Dec Aegean Airlines direct

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

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