AirHint found the following cheapest return flights from Singapore (SIN) to Istanbul (SAW) in August 2025 (see full year).

Return flights

29 Aug - 07 Sep	IndiGo
20 Aug - 27 Aug	Emirates
19 Aug - 26 Aug	Emirates
25 Aug - 30 Aug	Air India
18 Aug - 25 Aug	Emirates
21 Aug - 28 Aug	Emirates
20 Aug - 25 Aug	Emirates
18 Aug - 30 Aug	Gulf Air
20 Aug - 30 Aug	Emirates
21 Aug - 30 Aug	Air India
21 Aug - 26 Aug	Qatar Airways
27 Aug - 30 Sep	Qatar Airways
22 Aug - 06 Sep	Qatar Airways
28 Aug - 30 Sep	Qatar Airways
25 Aug - 02 Sep	Qatar Airways
28 Aug - 28 Sep	Qatar Airways
28 Aug - 06 Sep	Qatar Airways
29 Aug - 13 Sep	Qatar Airways
29 Aug - 01 Sep	Qatar Airways
29 Aug - 24 Sep	KLM

Also check the deals for one-way flights from Singapore 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 Singapore to Istanbul in August from 548€

Return flights