Cheapest return flights from Bilbao to Istanbul in April from $136

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

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

Return flights

29 Apr - 14 May Vueling Airlines
29 Apr - 13 May Vueling Airlines
29 Apr - 07 May Vueling Airlines
29 Apr - 06 May Vueling Airlines
23 Apr - 08 May Volotea
24 Apr - 08 May Vueling Airlines
01 Apr - 08 Apr Vueling Airlines
29 Apr - 05 May Vueling Airlines
22 Apr - 07 May Vueling Airlines
04 Apr - 09 Apr Wizz Air Malta
22 Apr - 29 Apr Vueling Airlines
26 Apr - 29 Apr Vueling Airlines
04 Apr - 07 Apr Wizz Air Malta
29 Apr - 03 May Vueling Airlines
10 Apr - 14 Apr Vueling Airlines
23 Apr - 28 Apr Volotea
07 Apr - 11 Apr Vueling Airlines
10 Apr - 16 Apr Vueling Airlines
24 Apr - 04 May Vueling Airlines
04 Apr - 06 Apr Wizz Air Malta

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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