AirHint found the following cheapest return flights from Athens (ATH) to Bilbao (BIO) in March 2026 (see full year).

Return flights

30 Mar - 20 Apr	Volotea	direct
30 Mar - 09 Apr	Volotea	direct
30 Mar - 11 Apr	Volotea
30 Mar - 06 Apr	Volotea	direct
30 Mar - 10 Apr	Volotea
25 Mar - 09 Apr	Volotea	direct
30 Mar - 16 Apr	Volotea	direct
07 Mar - 10 Mar	Vueling Airlines
30 Mar - 04 Apr	Volotea
21 Mar - 24 Mar	Vueling Airlines
25 Mar - 11 Apr	Volotea
30 Mar - 12 Apr	Volotea
04 Mar - 11 Mar	easyJet
18 Mar - 25 Mar	Wizz Air UK
20 Mar - 24 Mar	Wizz Air UK
30 Mar - 31 Mar	Volotea
25 Mar - 29 Mar	Volotea
25 Mar - 28 Mar	Volotea
19 Mar - 22 Mar	Vueling Airlines
15 Mar - 22 Mar	Wizz Air Malta

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

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 Athens to Bilbao in March from $106

Return flights