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

Return flights

05 Oct - 11 Oct	Etihad Airways
01 Oct - 11 Oct	Etihad Airways
21 Oct - 28 Oct	Etihad Airways
03 Oct - 11 Oct	Etihad Airways
01 Oct - 11 Oct	Turkish Airlines	direct
24 Oct - 30 Oct	Etihad Airways
21 Oct - 28 Oct	Turkish Airlines	direct
08 Oct - 11 Oct	Turkish Airlines	direct
24 Oct - 30 Oct	Turkish Airlines	direct
03 Oct - 11 Oct	Turkish Airlines	direct

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 495€

Return flights