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

Return flights

16 Aug - 25 Aug	Emirates
16 Aug - 23 Aug	Emirates
04 Aug - 18 Aug	Emirates
16 Aug - 23 Aug	Singapore Airlines	direct
16 Aug - 25 Aug	Turkish Airlines	direct
04 Aug - 18 Aug	Turkish Airlines	direct
04 Aug - 21 Aug	Turkish Airlines	direct
15 Aug - 22 Aug	Emirates
14 Aug - 22 Aug	Emirates
07 Aug - 22 Aug	Emirates
25 Aug - 19 Sep	Korean Air
01 Aug - 05 Sep	Korean Air

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 558€

Return flights