AirHint found the following cheapest return flights from Bilbao (BIO) to Athens (ATH) in October 2025 (see full year).

Return flights

30 Oct - 03 Nov	Volotea	direct
30 Oct - 15 Nov	Volotea
27 Oct - 03 Nov	Volotea	direct
23 Oct - 03 Nov	Volotea	direct
30 Oct - 08 Nov	Volotea
30 Oct - 05 Nov	Volotea
30 Oct - 10 Nov	Volotea
23 Oct - 27 Oct	Volotea	direct
30 Oct - 06 Nov	Volotea
27 Oct - 15 Nov	Volotea
29 Oct - 03 Nov	Volotea
24 Oct - 27 Oct	Aegean Airlines	direct
21 Oct - 27 Oct	Aegean Airlines	direct
22 Oct - 27 Oct	Vueling Airlines
23 Oct - 28 Oct	Volotea
30 Oct - 31 Oct	Volotea
27 Oct - 29 Oct	Volotea
23 Oct - 29 Oct	Volotea
25 Oct - 27 Oct	Volotea
23 Oct - 31 Oct	Volotea

Also check the deals for one-way flights from Bilbao to Athens in October.

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 Bilbao to Athens in October from 128€

Return flights