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

Return flights

15 Oct - 29 Oct	easyJet
19 Oct - 23 Oct	Vueling Airlines
01 Oct - 08 Oct	Vueling Airlines
23 Oct - 29 Oct	easyJet
12 Oct - 01 Nov	easyJet
14 Oct - 21 Oct	Vueling Airlines
07 Oct - 14 Oct	Vueling Airlines
31 Oct - 09 Nov	easyJet
15 Oct - 19 Oct	easyJet
06 Oct - 08 Oct	Volotea
12 Oct - 16 Oct	easyJet
02 Oct - 08 Oct	Vueling Airlines
23 Oct - 12 Nov	easyJet
14 Oct - 03 Nov	Vueling Airlines
27 Oct - 01 Nov	easyJet
30 Oct - 19 Nov	Vueling Airlines
21 Oct - 03 Nov	Vueling Airlines
14 Oct - 01 Nov	Vueling Airlines
16 Oct - 01 Nov	Vueling Airlines
16 Oct - 03 Nov	Vueling Airlines

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 113€

Return flights