Cheapest return flights from Istanbul to Singapore in September from $545

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

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

Return flights

02 Sep - 30 Sep IndiGo
06 Sep - 14 Sep IndiGo
08 Sep - 14 Sep IndiGo
07 Sep - 21 Sep IndiGo
02 Sep - 07 Sep IndiGo
02 Sep - 09 Sep IndiGo
01 Sep - 07 Sep IndiGo
25 Sep - 30 Sep Air Arabia Abu Dhabi
13 Sep - 29 Sep IndiGo
13 Sep - 18 Sep IndiGo
20 Sep - 23 Oct IndiGo
20 Sep - 23 Oct Turkish Airlines direct

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

Skyscanner

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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