AirHint found the following cheapest return flights from Bilbao (BIO) to Istanbul (IST) in February 2026 (see full year).

Return flights

18 Feb - 23 Feb	Vueling Airlines
13 Feb - 17 Feb	Vueling Airlines
09 Feb - 15 Feb	Vueling Airlines
28 Feb - 08 Mar	Vueling Airlines
16 Feb - 21 Feb	Vueling Airlines
16 Feb - 19 Feb	Vueling Airlines
14 Feb - 18 Feb	Wizz Air
14 Feb - 17 Feb	Wizz Air
14 Feb - 21 Feb	Wizz Air
14 Feb - 19 Feb	Wizz Air
14 Feb - 19 Feb	Turkish Airlines	direct
28 Feb - 08 Mar	Turkish Airlines	direct

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

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

Cheapest return flights from Bilbao to Istanbul in February from 124€

Return flights