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

Return flights

18 Jan - 23 Jan	AirAsia
15 Jan - 23 Jan	AirAsia
20 Jan - 23 Jan	AirAsia
27 Jan - 04 Feb	AirAsia
08 Jan - 14 Jan	Gulf Air
27 Jan - 08 Feb	AirAsia
31 Jan - 07 Feb	IndiGo
30 Jan - 07 Feb	IndiGo
13 Jan - 21 Jan	Gulf Air
05 Jan - 12 Jan	Gulf Air
06 Jan - 13 Jan	Gulf Air
05 Jan - 10 Jan	Gulf Air
08 Jan - 19 Jan	Gulf Air
04 Jan - 12 Jan	Gulf Air
17 Jan - 01 Feb	Gulf Air
31 Jan - 13 Feb	Gulf Air
27 Jan - 08 Feb	Turkish Airlines	direct
17 Jan - 01 Feb	Turkish Airlines	direct
27 Jan - 04 Feb	Turkish Airlines	direct
31 Jan - 13 Feb	Turkish Airlines	direct

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 372€

Return flights