AirHint found the following cheapest return flights from Barcelona (BCN) to Istanbul (IST) in August 2025 (see full year).

Return flights

27 Aug - 16 Sep	Wizz Air
29 Aug - 13 Sep	Wizz Air
30 Aug - 30 Sep	Norwegian Air Sweden AOC
29 Aug - 07 Sep	Wizz Air
31 Aug - 21 Sep	easyJet
21 Aug - 15 Sep	Wizz Air
29 Aug - 01 Sep	Wizz Air
25 Aug - 04 Sep	Wizz Air
28 Aug - 05 Sep	Wizz Air
26 Aug - 13 Sep	Wizz Air
22 Aug - 25 Aug	Wizz Air
21 Aug - 26 Aug	Wizz Air
27 Aug - 29 Aug	Wizz Air
22 Aug - 27 Aug	Wizz Air
29 Aug - 31 Aug	Wizz Air
25 Aug - 31 Aug	Wizz Air
27 Aug - 31 Aug	Wizz Air
21 Aug - 27 Aug	Wizz Air
19 Aug - 25 Aug	Vueling Airlines
21 Aug - 25 Aug	Vueling Airlines

Also check the deals for one-way flights from Barcelona to Istanbul in August.

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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Cheapest return flights from Barcelona to Istanbul in August from $190

Return flights