Cheapest return flights from Istanbul to Bilbao in May from $191

Best time to book flights for Istanbul (IST) to Bilbao (BIO) flights at AirHint

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

Return flights

05 May - 12 May Pegasus Airlines
15 May - 19 May Lufthansa
21 May - 23 May Wizz Air UK
20 May - 22 May Wizz Air UK
26 May - 30 May Pegasus Airlines
20 May - 23 May Wizz Air UK
15 May - 27 May Vueling Airlines
21 May - 22 May Pegasus Airlines
20 May - 25 May Pegasus Airlines
15 May - 18 May Vueling Airlines
15 May - 01 Jun Vueling Airlines
15 May - 04 Jun Vueling Airlines
15 May - 02 Jun Vueling Airlines
15 May - 03 Jun Vueling Airlines
24 May - 01 Jun Vueling Airlines
24 May - 11 Jun Vueling Airlines
24 May - 04 Jun Vueling Airlines
24 May - 02 Jun Vueling Airlines
24 May - 13 Jun Vueling Airlines
24 May - 03 Jun Vueling Airlines

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

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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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