Cheapest one-way flights from Keffallinia to Porto in September from $185

AirHint found the following cheapest one-way flights from Keffallinia (EFL) to Porto (OPO) in September 2025 (see full year).

One-Way flights

10 Sep Ryanair
28 Sep SKY express

Also check the deals for return flights from Keffallinia to Porto in September.

Skyscanner

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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