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

Return flights

14 Oct - 21 Oct	Pegasus Airlines
20 Oct - 27 Oct	Pegasus Airlines
01 Oct - 06 Oct	Air Arabia
06 Oct - 12 Oct	Pegasus Airlines
03 Oct - 06 Oct	Flynas
03 Oct - 10 Oct	Flynas
13 Oct - 19 Oct	Pegasus Airlines
10 Oct - 17 Oct	Pegasus Airlines
07 Oct - 11 Oct	Air Arabia Abu Dhabi
07 Oct - 09 Oct	Pegasus Airlines
25 Oct - 04 Nov	Pegasus Airlines
24 Oct - 02 Nov	Qatar Airways
02 Oct - 12 Nov	Qatar Airways
19 Oct - 02 Nov	Qatar Airways
25 Oct - 02 Nov	Qatar Airways
26 Oct - 01 Nov	Qatar Airways

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

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 Istanbul to Singapore in October from $624

Return flights