Cheapest return flights from Bilbao to Istanbul in December from 154€

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

Return flights

01 Dec - 05 Dec Vueling Airlines
01 Dec - 04 Dec Vueling Airlines
04 Dec - 10 Dec Vueling Airlines
06 Dec - 10 Dec Vueling Airlines
03 Dec - 07 Dec Vueling Airlines
19 Dec - 24 Dec easyJet
05 Dec - 08 Dec Vueling Airlines
26 Dec - 04 Jan Vueling Airlines
22 Dec - 27 Dec easyJet
26 Dec - 30 Dec Vueling Airlines
23 Dec - 28 Dec Vueling Airlines
29 Dec - 03 Jan Vueling Airlines
27 Dec - 03 Jan Vueling Airlines

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

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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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