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

Return flights

24 Sep - 07 Oct	Emirates
14 Sep - 30 Sep	Qatar Airways
10 Sep - 28 Sep	Qatar Airways
15 Sep - 23 Sep	Qatar Airways
05 Sep - 13 Sep	IndiGo
22 Sep - 16 Oct	Qatar Airways
22 Sep - 02 Oct	Qatar Airways
16 Sep - 22 Sep	Qatar Airways
16 Sep - 23 Sep	Qatar Airways
29 Sep - 12 Oct	Qatar Airways
26 Sep - 03 Oct	Qatar Airways
17 Sep - 27 Sep	Qatar Airways
23 Sep - 02 Oct	Qatar Airways
08 Sep - 09 Oct	AirAsia
03 Sep - 13 Sep	AirAsia
07 Sep - 15 Sep	Qatar Airways
01 Sep - 15 Oct	Qatar Airways
08 Sep - 20 Sep	Qatar Airways
28 Sep - 05 Oct	KLM
09 Sep - 09 Oct	Emirates

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

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 Singapore to Istanbul in September from 503€

Return flights