AirHint found the following cheapest return flights from Bilbao (BIO) to Athens (ATH) in October 2026 (see full year).
Return flights
| 01 Oct - 15 Oct | Volotea | direct | |
| 01 Oct - 05 Oct | Volotea | direct | |
| 05 Oct - 15 Oct | Volotea | direct | |
| 01 Oct - 04 Oct | Volotea | ||
| 01 Oct - 04 Oct | Aegean Airlines | direct |
Also check the deals for one-way flights from Bilbao to Athens in October.
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