Cheapest return flights from Singapore to Istanbul in September from $539

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

09 Sep - 15 Sep IndiGo
07 Sep - 13 Sep IndiGo
16 Sep - 19 Sep Gulf Air
04 Sep - 10 Sep IndiGo
11 Sep - 14 Sep Gulf Air
15 Sep - 22 Sep IndiGo
04 Sep - 14 Sep IndiGo
21 Sep - 24 Sep IndiGo
01 Sep - 13 Sep IndiGo
14 Sep - 18 Sep IndiGo
20 Sep - 12 Oct Gulf Air
10 Sep - 24 Oct Gulf Air
20 Sep - 01 Oct Gulf Air
26 Sep - 07 Oct Gulf Air
26 Sep - 06 Oct Gulf Air
26 Sep - 06 Oct Turkish Airlines direct
19 Sep - 05 Oct IndiGo
26 Sep - 07 Oct Turkish Airlines direct
10 Sep - 24 Oct Turkish Airlines direct
20 Sep - 01 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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