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

Return flights

30 Aug - 03 Sep	AJet
29 Aug - 03 Sep	AJet
28 Aug - 04 Sep	Wizz Air Malta
19 Aug - 09 Sep	AJet
29 Aug - 09 Sep	AJet
26 Aug - 23 Sep	Pegasus Airlines
18 Aug - 04 Sep	Wizz Air
22 Aug - 17 Sep	Pegasus Airlines
28 Aug - 12 Sep	Wizz Air Malta
28 Aug - 07 Sep	Pegasus Airlines
22 Aug - 26 Aug	AJet
19 Aug - 26 Aug	AJet
21 Aug - 26 Aug	Pegasus Airlines
19 Aug - 29 Aug	AJet
23 Aug - 26 Aug	Pegasus Airlines
27 Aug - 29 Aug	Pegasus Airlines
21 Aug - 29 Aug	Pegasus Airlines
22 Aug - 29 Aug	Pegasus Airlines
12 Aug - 29 Aug	Pegasus Airlines
20 Aug - 27 Aug	Pegasus Airlines

Also check the deals for one-way flights from Brussels 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 Brussels to Istanbul in August from $142

Return flights