AirHint found the following cheapest return flights from Bilbao (BIO) to Athens (ATH)
in September 2025 (see full year ).
Return flights
24 Sep
- 30 Sep
Vueling Airlines
135 €
23 Sep
- 30 Sep
Vueling Airlines
135 €
23 Sep
- 29 Sep
Vueling Airlines
139 €
05 Sep
- 12 Sep
easyJet
139 €
28 Sep
- 01 Oct
Aegean Airlines
139 €
10 Sep
- 17 Sep
Vueling Airlines
141 €
29 Sep
- 16 Oct
Volotea
144 €
direct
18 Sep
- 30 Sep
easyJet
149 €
28 Sep
- 30 Sep
Aegean Airlines
150 €
direct
05 Sep
- 14 Sep
easyJet
152 €
29 Sep
- 09 Oct
Volotea
154 €
direct
29 Sep
- 02 Oct
Volotea
154 €
direct
28 Sep
- 29 Sep
Aegean Airlines
156 €
26 Sep
- 16 Oct
Volotea
156 €
direct
28 Sep
- 16 Oct
Volotea
156 €
direct
28 Sep
- 02 Oct
Aegean Airlines
157 €
26 Sep
- 30 Sep
Vueling Airlines
159 €
25 Sep
- 16 Oct
Vueling Airlines
159 €
30 Sep
- 16 Oct
Vueling Airlines
159 €
30 Sep
- 20 Oct
Vueling Airlines
159 €
Also check the deals for one-way flights from Bilbao to Athens in September .
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.