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

Return flights

27 Jan - 31 Jan	IndiGo
08 Jan - 11 Jan	IndiGo
22 Jan - 09 Feb	AirAsia
18 Jan - 04 Feb	Gulf Air
12 Jan - 16 Jan	Gulf Air
02 Jan - 10 Jan	Gulf Air
03 Jan - 10 Jan	Gulf Air
15 Jan - 24 Jan	Gulf Air
30 Jan - 08 Feb	Gulf Air
30 Jan - 07 Feb	Gulf Air
21 Jan - 28 Jan	Gulf Air
24 Jan - 31 Jan	Gulf Air
12 Jan - 16 Jan	Turkish Airlines	direct
18 Jan - 23 Jan	AirAsia
31 Jan - 09 Feb	AirAsia
18 Jan - 04 Feb	Turkish Airlines	direct
22 Jan - 04 Feb	AirAsia
31 Jan - 04 Feb	AirAsia
27 Jan - 09 Feb	AirAsia
31 Jan - 15 Feb	AirAsia

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 $345

Return flights