Cheapest return flights from Bilbao to Istanbul in April from 139€

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

Return flights

16 Apr - 24 Apr Wizz Air UK
20 Apr - 24 Apr Pegasus Airlines direct
16 Apr - 24 Apr Pegasus Airlines direct
23 Apr - 24 Apr Pegasus Airlines direct
18 Apr - 24 Apr Pegasus Airlines direct
22 Apr - 24 Apr Wizz Air UK
20 Apr - 29 Apr Pegasus Airlines direct
20 Apr - 25 Apr Pegasus Airlines direct
09 Apr - 14 Apr Wizz Air UK
13 Apr - 16 Apr Wizz Air UK
29 Apr - 05 May Wizz Air UK
28 Apr - 05 May Pegasus Airlines direct
17 Apr - 04 May Wizz Air UK
20 Apr - 03 May Wizz Air UK
29 Apr - 08 May Wizz Air UK
29 Apr - 04 May Wizz Air UK
16 Apr - 04 May Wizz Air UK
29 Apr - 03 May Wizz Air UK
28 Apr - 11 May Vueling Airlines
19 Apr - 03 May Wizz Air

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

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