AirHint found the following cheapest one-way flights from Keffallinia (EFL) to Porto (OPO) in May 2026 (see full year).
One-Way flights
| 04 May | Ryanair | ||
| 18 May | Ryanair | ||
| 25 May | Ryanair | ||
| 01 May | Jet2 | ||
| 27 May | Jet2 | ||
| 15 May | Jet2 | ||
| 02 May | Jet2 | ||
| 17 May | Jet2 | ||
| 19 May | Aegean Airlines | ||
| 03 May | easyJet |
Also check the deals for return flights from Keffallinia to Porto in May.
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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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