Cheapest one-way flights from Istanbul to Bilbao in October from $108
AirHint found the following cheapest one-way flights from Istanbul (IST) to Bilbao (BIO) in October 2025 (see full year).
One-Way flights
| 14 Oct | Wizz Air UK | ||
| 04 Oct | Wizz Air UK | ||
| 18 Oct | Wizz Air UK | ||
| 23 Oct | Vueling Airlines | ||
| 18 Oct | Turkish Airlines | direct | |
| 14 Oct | Turkish Airlines | direct | |
| 04 Oct | Turkish Airlines | direct |
Also check the deals for return flights from Istanbul to Bilbao 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.
