AirHint found the following cheapest return flights from Keffallinia (EFL) to Athens (ATH) in May 2026 (see full year).

Return flights

04 May - 18 May	SKY express
25 May - 12 Jun	SKY express
25 May - 10 Jun	SKY express
25 May - 08 Jun	SKY express
18 May - 08 Jun	SKY express
25 May - 27 May	SKY express
18 May - 27 May	SKY express
25 May - 01 Jun	SKY express
18 May - 01 Jun	SKY express
13 May - 18 May	SKY express
04 May - 05 May	SKY express
04 May - 16 May	SKY express
04 May - 17 May	SKY express
25 May - 04 Jun	SKY express
25 May - 06 Jun	SKY express
18 May - 04 Jun	SKY express
18 May - 06 Jun	SKY express
13 May - 27 May	SKY express
13 May - 16 May	SKY express
13 May - 17 May	SKY express

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

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 May from 97€

Return flights