AirHint found the following cheapest return flights from Brussels (BRU) to Istanbul (IST) in August 2026 (see full year).

Return flights

03 Aug - 09 Aug	Aegean Airlines
03 Aug - 24 Aug	Aegean Airlines
07 Aug - 28 Aug	Aegean Airlines
11 Aug - 29 Aug	Aegean Airlines
16 Aug - 31 Aug	Aegean Airlines
03 Aug - 24 Aug	Turkish Airlines	direct
03 Aug - 09 Aug	Turkish Airlines	direct
01 Aug - 22 Aug	Turkish 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 $256

Return flights