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

Return flights

01 Aug - 14 Aug	Qatar Airways
06 Aug - 11 Aug	Qatar Airways
04 Aug - 11 Aug	Qatar Airways
28 Aug - 04 Sep	Qatar Airways
03 Aug - 14 Aug	Qatar Airways
09 Aug - 06 Sep	KLM
26 Aug - 30 Aug	Emirates
25 Aug - 30 Aug	Emirates
09 Aug - 16 Aug	FlySafair
30 Aug - 12 Sep	Emirates
04 Aug - 11 Aug	Turkish Airlines	direct
05 Aug - 19 Aug	Turkish Airlines	direct
30 Aug - 03 Sep	Emirates
06 Aug - 11 Aug	Turkish Airlines	direct
28 Aug - 04 Sep	Turkish Airlines	direct
30 Aug - 12 Sep	Turkish Airlines	direct
09 Aug - 06 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Cape Town 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 Cape Town to Istanbul in August from 588€

Return flights