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

Return flights

26 Aug - 09 Sep	Wizz Air
28 Aug - 15 Sep	Vueling Airlines
27 Aug - 15 Sep	Vueling Airlines
26 Aug - 01 Sep	Wizz Air
28 Aug - 02 Sep	Vueling Airlines
28 Aug - 09 Sep	Vueling Airlines
27 Aug - 02 Sep	Vueling Airlines
30 Aug - 05 Sep	Wizz Air
30 Aug - 14 Sep	Wizz Air
31 Aug - 09 Sep	Vueling Airlines
12 Aug - 26 Aug	Wizz Air
21 Aug - 28 Aug	Volotea
21 Aug - 26 Aug	Volotea
21 Aug - 25 Aug	Volotea
14 Aug - 28 Aug	Vueling Airlines
12 Aug - 27 Aug	Wizz Air
19 Aug - 25 Aug	Wizz Air
04 Aug - 12 Aug	Wizz Air Malta
13 Aug - 19 Aug	Vueling Airlines
13 Aug - 28 Aug	Vueling Airlines

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

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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Bilbao to Athens in August from $207

Return flights