Cheapest return flights from Istanbul to Bilbao in April 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 April 2025 (see full year).

Return flights

29 Apr - 04 May Wizz Air UK
05 Apr - 08 Apr Pegasus Airlines
03 Apr - 09 Apr Air France
30 Apr - 04 May Wizz Air UK
07 Apr - 08 Apr Pegasus Airlines
10 Apr - 29 Apr Vueling Airlines
10 Apr - 25 Apr Vueling Airlines
10 Apr - 23 Apr Vueling Airlines
10 Apr - 27 Apr Vueling Airlines
03 Apr - 23 Apr Vueling Airlines
15 Apr - 19 Apr Pegasus Airlines
10 Apr - 28 Apr Vueling Airlines
12 Apr - 02 May Vueling Airlines
24 Apr - 07 May Vueling Airlines
24 Apr - 06 May Vueling Airlines
24 Apr - 14 May Vueling Airlines
24 Apr - 13 May Vueling Airlines
17 Apr - 07 May Vueling Airlines
24 Apr - 02 May Vueling Airlines
17 Apr - 06 May Vueling Airlines

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

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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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