AirHint found the following cheapest return flights from Cardiff (CWL) to Keffallinia (EFL) in August 2026 (see full year).
Return flights
| 25 Aug - 08 Sep | Ryanair | ||
| 25 Aug - 01 Sep | Ryanair | ||
| 25 Aug - 01 Sep | TUI | direct | |
| 16 Aug - 30 Aug | Ryanair | ||
| 25 Aug - 08 Sep | TUI | direct |
Also check the deals for one-way flights from Cardiff to Keffallinia in August.
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