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

Return flights

14 Oct - 18 Oct	IndiGo
07 Oct - 23 Oct	IndiGo
10 Oct - 12 Oct	SriLankan Airlines
07 Oct - 21 Oct	IndiGo
10 Oct - 21 Oct	IndiGo
07 Oct - 22 Oct	Qatar Airways
08 Oct - 15 Oct	Qatar Airways
01 Oct - 08 Oct	Qatar Airways
01 Oct - 20 Oct	Qatar Airways
16 Oct - 23 Oct	Qatar Airways
26 Oct - 04 Nov	Qatar Airways
31 Oct - 15 Nov	Qatar Airways
31 Oct - 07 Nov	Qatar Airways

Also check the deals for one-way flights from Singapore to Istanbul 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 Singapore to Istanbul in October from 420€

Return flights