Cheapest return flights from Singapore to Istanbul in September from $465

Best time to book flights for Singapore (SIN) to Istanbul (IST) flights at AirHint

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

Return flights

14 Sep - 17 Sep IndiGo
14 Sep - 22 Sep Gulf Air
09 Sep - 13 Sep IndiGo
14 Sep - 22 Sep Turkish Airlines direct
13 Sep - 21 Sep Gulf Air
14 Sep - 20 Sep Gulf Air
14 Sep - 21 Sep Gulf Air
11 Sep - 20 Sep Gulf Air
16 Sep - 23 Sep Gulf Air
23 Sep - 30 Sep Gulf Air
24 Sep - 02 Oct Gulf Air
08 Sep - 06 Oct Gulf Air
30 Sep - 05 Oct Gulf Air
26 Sep - 12 Oct Gulf Air
27 Sep - 04 Oct Gulf Air
19 Sep - 03 Oct Gulf Air
02 Sep - 02 Oct Etihad Airways
30 Sep - 05 Oct Turkish Airlines direct
08 Sep - 06 Oct Turkish Airlines direct
26 Sep - 12 Oct Turkish Airlines direct

Also check the deals for one-way flights from Singapore to Istanbul in September.

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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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