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

Return flights

24 Aug - 03 Sep	AirAsia X
04 Aug - 20 Aug	Air Arabia
07 Aug - 21 Aug	Air Arabia
24 Aug - 31 Aug	Singapore Airlines	direct
24 Aug - 03 Sep	Turkish Airlines	direct
11 Aug - 21 Aug	Kuwait Airways
08 Aug - 15 Aug	IndiGo
01 Aug - 05 Aug	IndiGo
01 Aug - 09 Aug	IndiGo
04 Aug - 13 Aug	Emirates
04 Aug - 13 Aug	Turkish Airlines	direct
11 Aug - 21 Aug	Turkish Airlines	direct

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 527€

Return flights