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

Return flights

16 Aug - 24 Aug	Pegasus Airlines
16 Aug - 23 Aug	Pegasus Airlines
17 Aug - 26 Aug	Pegasus Airlines
17 Aug - 24 Aug	Pegasus Airlines
22 Aug - 31 Aug	SalamAir
24 Aug - 31 Aug	SalamAir
20 Aug - 31 Aug	SalamAir
02 Aug - 09 Aug	AJet
02 Aug - 08 Aug	AJet
13 Aug - 24 Aug	SalamAir
22 Aug - 03 Sep	SalamAir
15 Aug - 03 Sep	SalamAir
13 Aug - 03 Sep	SalamAir
15 Aug - 06 Sep	SalamAir
14 Aug - 09 Sep	Pegasus Airlines
22 Aug - 04 Sep	SalamAir
24 Aug - 04 Sep	SalamAir
15 Aug - 04 Sep	SalamAir
29 Aug - 07 Sep	SalamAir
27 Aug - 07 Sep	SalamAir

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 $518

Return flights