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

Return flights

28 Aug - 03 Sep	Wizz Air
06 Aug - 14 Aug	Wizz Air
06 Aug - 26 Aug	Pegasus Airlines
06 Aug - 10 Aug	Pegasus Airlines
04 Aug - 24 Aug	Pegasus Airlines
28 Aug - 04 Sep	AJet
06 Aug - 12 Aug	Pegasus Airlines
18 Aug - 24 Aug	AJet
28 Aug - 02 Sep	AJet
14 Aug - 20 Aug	AJet
30 Aug - 02 Sep	Wizz Air
18 Aug - 23 Aug	AJet
04 Aug - 14 Aug	Pegasus Airlines
04 Aug - 16 Aug	Pegasus Airlines
13 Aug - 06 Sep	Wizz Air
29 Aug - 04 Sep	Wizz Air
27 Aug - 04 Sep	Wizz Air
12 Aug - 07 Sep	Pegasus Airlines
29 Aug - 06 Sep	Wizz Air
28 Aug - 01 Sep	AJet

Also check the deals for one-way flights from Istanbul to Barcelona 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 Istanbul to Barcelona in August from $237

Return flights