Cheapest return flights from Bilbao to Istanbul in April from 134€

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

Return flights

22 Apr - 26 Apr Vueling Airlines
22 Apr - 27 Apr Vueling Airlines
14 Apr - 19 Apr Vueling Airlines
29 Apr - 06 May Vueling Airlines
29 Apr - 09 May Vueling Airlines
14 Apr - 18 Apr Vueling Airlines
29 Apr - 06 May Pegasus Airlines direct
14 Apr - 20 Apr Vueling Airlines
20 Apr - 24 Apr Vueling Airlines
10 Apr - 15 Apr Wizz Air UK
29 Apr - 05 May Vueling Airlines
29 Apr - 09 May Pegasus Airlines direct
17 Apr - 26 Apr Wizz Air UK
16 Apr - 19 Apr Vueling Airlines
19 Apr - 30 Apr Vueling Airlines
28 Apr - 03 May Vueling Airlines
29 Apr - 04 May Vueling Airlines
18 Apr - 07 May Vueling Airlines
24 Apr - 04 May Vueling Airlines
22 Apr - 07 May Vueling Airlines

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