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

Return flights

11 Dec - 01 Jan	SKY express	direct
11 Dec - 14 Dec	SKY express	direct
11 Dec - 22 Dec	SKY express	direct
28 Dec - 01 Jan	SKY express	direct
18 Dec - 01 Jan	SKY express	direct
17 Dec - 01 Jan	SKY express
18 Dec - 22 Dec	SKY express	direct
17 Dec - 22 Dec	SKY express
11 Dec - 21 Dec	SKY express	direct
19 Dec - 01 Jan	SKY express
24 Dec - 01 Jan	SKY express
05 Dec - 14 Dec	SKY express
05 Dec - 07 Dec	SKY express
05 Dec - 22 Dec	SKY express
19 Dec - 22 Dec	SKY express
18 Dec - 21 Dec	SKY express	direct
23 Dec - 02 Jan	Aegean Airlines	direct

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

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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Cheapest return flights from Keffallinia to Athens in December from $110

Return flights