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 - 16 Apr	Volotea	direct
30 Mar - 08 Apr	Volotea
30 Mar - 09 Apr	Volotea
25 Mar - 08 Apr	Volotea
25 Mar - 09 Apr	Volotea
30 Mar - 07 Apr	Volotea
30 Mar - 09 Apr	Volotea	direct
25 Mar - 09 Apr	Volotea	direct
30 Mar - 15 Apr	Volotea
03 Mar - 11 Mar	Ryanair
02 Mar - 10 Mar	Wizz Air UK
03 Mar - 10 Mar	Ryanair
06 Mar - 10 Mar	Wizz Air UK
02 Mar - 08 Mar	Wizz Air UK
13 Mar - 16 Mar	easyJet
25 Mar - 29 Mar	Volotea
11 Mar - 15 Mar	Pegasus Airlines
03 Mar - 09 Mar	Ryanair
15 Mar - 26 Mar	Ryanair

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 101€

Return flights