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

Return flights

11 Nov - 18 Nov	Vueling Airlines
19 Nov - 24 Nov	Vueling Airlines
22 Nov - 27 Nov	Vueling Airlines
26 Nov - 03 Dec	Vueling Airlines
06 Nov - 10 Nov	Vueling Airlines
22 Nov - 26 Nov	Vueling Airlines
25 Nov - 29 Nov	Vueling Airlines
09 Nov - 13 Nov	Vueling Airlines
16 Nov - 22 Nov	Vueling Airlines
03 Nov - 07 Nov	Vueling Airlines
07 Nov - 11 Nov	Vueling Airlines

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

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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Cheapest return flights from Bilbao to Istanbul in November from 133€

Return flights