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

Return flights

01 Aug - 16 Aug	Oman Air
07 Aug - 23 Aug	AirAsia X
05 Aug - 22 Aug	AirAsia X
07 Aug - 22 Aug	AirAsia X
02 Aug - 04 Aug	AirAsia X
02 Aug - 23 Aug	AirAsia X
02 Aug - 22 Aug	AirAsia X
05 Aug - 23 Aug	Singapore Airlines	direct
02 Aug - 23 Aug	Singapore Airlines	direct
07 Aug - 04 Sep	Singapore Airlines	direct
13 Aug - 21 Aug	Thai Airways

Also check the deals for one-way flights from Istanbul to Singapore 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 Istanbul to Singapore in August from 549€

Return flights