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

Return flights

05 Aug - 25 Aug	Wizz Air UK
07 Aug - 25 Sep	Wizz Air
21 Aug - 30 Aug	Wizz Air
07 Aug - 12 Aug	Wizz Air
07 Aug - 21 Aug	Wizz Air
07 Aug - 13 Aug	Wizz Air
06 Aug - 21 Aug	Pegasus Airlines
08 Aug - 28 Aug	Wizz Air
25 Aug - 29 Aug	Wizz Air
04 Aug - 12 Aug	Pegasus Airlines
14 Aug - 21 Aug	Wizz Air
26 Aug - 03 Sep	Wizz Air
29 Aug - 05 Sep	Pegasus Airlines
30 Aug - 12 Sep	Pegasus Airlines
28 Aug - 06 Sep	SKY express
25 Aug - 04 Sep	Turkish Airlines
19 Aug - 12 Sep	Pegasus Airlines
19 Aug - 02 Sep	Pegasus Airlines
24 Aug - 02 Sep	Pegasus Airlines
23 Aug - 23 Sep	Wizz Air

Also check the deals for one-way flights from Istanbul to Madrid 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 Madrid in August from $212

Return flights