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

Return flights

27 Aug - 03 Sep	Wizz Air
15 Aug - 03 Sep	Pegasus Airlines
29 Aug - 14 Sep	Pegasus Airlines
30 Aug - 08 Sep	AJet
28 Aug - 05 Sep	Wizz Air Malta
25 Aug - 02 Sep	Pegasus Airlines
31 Aug - 04 Sep	AJet
22 Aug - 02 Sep	AJet
23 Aug - 07 Sep	AJet
22 Aug - 05 Sep	AJet
20 Aug - 27 Aug	Wizz Air
11 Aug - 27 Aug	Wizz Air
10 Aug - 13 Aug	Wizz Air
12 Aug - 21 Aug	Pegasus Airlines
19 Aug - 26 Aug	AJet
27 Aug - 29 Aug	Wizz Air
29 Aug - 31 Aug	AJet
11 Aug - 20 Aug	Wizz Air
06 Aug - 13 Aug	Wizz Air
22 Aug - 31 Aug	AJet

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 134€

Return flights