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

Return flights

30 Sep - 03 Oct	IndiGo
27 Sep - 11 Oct	Air India
30 Sep - 07 Oct	Air India
28 Sep - 10 Oct	Air India
16 Sep - 30 Sep	Air India
09 Sep - 23 Sep	Air India
17 Sep - 24 Sep	Air India
11 Sep - 20 Sep	Qatar Airways
10 Sep - 17 Sep	Emirates
09 Sep - 18 Sep	Emirates
21 Sep - 06 Oct	Emirates
07 Sep - 14 Sep	Qatar Airways
04 Sep - 11 Sep	IndiGo
29 Sep - 06 Oct	Air India
01 Sep - 17 Sep	Emirates
16 Sep - 24 Sep	Qatar Airways
09 Sep - 01 Oct	Qatar Airways
20 Sep - 06 Oct	Qatar Airways
19 Sep - 06 Oct	Qatar Airways
19 Sep - 07 Oct	Qatar Airways

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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Singapore to Istanbul in September from 392€

Return flights