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

Return flights

04 Dec - 22 Dec	SKY express	direct
03 Dec - 22 Dec	SKY express
14 Dec - 28 Dec	SKY express	direct
14 Dec - 22 Dec	SKY express	direct
17 Dec - 28 Dec	SKY express
17 Dec - 22 Dec	SKY express
03 Dec - 12 Dec	SKY express
17 Dec - 07 Jan	SKY express
04 Dec - 12 Dec	SKY express

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 129€

Return flights