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

Return flights

08 Nov - 12 Nov	Vueling Airlines
16 Nov - 24 Nov	Vueling Airlines
05 Nov - 12 Nov	Vueling Airlines
17 Nov - 27 Nov	Vueling Airlines
15 Nov - 17 Nov	Vueling Airlines
18 Nov - 25 Nov	Vueling Airlines
18 Nov - 22 Nov	Vueling Airlines
09 Nov - 15 Nov	Vueling Airlines
04 Nov - 07 Nov	Vueling Airlines
08 Nov - 15 Nov	Vueling Airlines
28 Nov - 01 Dec	Vueling Airlines
27 Nov - 01 Dec	Vueling Airlines
27 Nov - 01 Dec	Turkish Airlines	direct
28 Nov - 01 Dec	Turkish Airlines	direct

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 110€

Return flights