Cheapest return flights from Bilbao to Istanbul in December from $163

AirHint found the following cheapest return flights from Bilbao (BIO) to Istanbul (IST) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec Vueling Airlines
03 Dec - 09 Dec Vueling Airlines
09 Dec - 14 Dec Vueling Airlines
02 Dec - 08 Dec Vueling Airlines
03 Dec - 08 Dec Vueling Airlines
01 Dec - 07 Dec Vueling Airlines
06 Dec - 08 Dec Vueling Airlines
05 Dec - 09 Dec Vueling Airlines
31 Dec - 06 Jan Vueling Airlines
20 Dec - 23 Dec Vueling Airlines
27 Dec - 05 Jan Lufthansa
30 Dec - 05 Jan Vueling Airlines
25 Dec - 06 Jan Vueling Airlines
25 Dec - 31 Dec Vueling Airlines
26 Dec - 05 Jan Lufthansa
28 Dec - 03 Jan Lufthansa
29 Dec - 02 Jan Vueling Airlines
25 Dec - 02 Jan Vueling Airlines
26 Dec - 03 Jan Vueling Airlines
24 Dec - 03 Jan Air Europa

Also check the deals for one-way flights from Bilbao to Istanbul in December.

Skyscanner

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 Istanbul

Cheap car rent in Istanbul

Feel free to contact us with any feedback or request another flight research.