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

Return flights

26 Jan - 04 Feb	IndiGo
26 Jan - 10 Feb	IndiGo
28 Jan - 18 Feb	Turkish Airlines
27 Jan - 01 Feb	IndiGo
28 Jan - 01 Feb	IndiGo
30 Jan - 10 Feb	IndiGo
22 Jan - 26 Jan	AirAsia
28 Jan - 11 Feb	IndiGo
31 Jan - 11 Feb	Gulf Air
20 Jan - 27 Jan	Turkish Airlines	direct
20 Jan - 28 Jan	Gulf Air
28 Jan - 30 Jan	IndiGo
24 Jan - 31 Jan	Gulf Air
24 Jan - 01 Feb	Gulf Air
20 Jan - 04 Feb	Gulf Air
22 Jan - 29 Jan	AirAsia
26 Jan - 29 Jan	IndiGo
20 Jan - 28 Jan	Turkish Airlines	direct
17 Jan - 23 Jan	Gulf Air
14 Jan - 27 Jan	IndiGo

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

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 January from $484

Return flights