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

Return flights

28 Jan - 03 Feb	AirAsia X
28 Jan - 02 Feb	AirAsia X
28 Jan - 01 Feb	AirAsia X
14 Jan - 18 Jan	AirAsia X
28 Jan - 29 Jan	AirAsia X
05 Jan - 19 Jan	AirAsia X
28 Jan - 31 Jan	AirAsia X
17 Jan - 01 Feb	Gulf Air
28 Jan - 30 Jan	AirAsia X
28 Jan - 18 Feb	AirAsia X
16 Jan - 03 Feb	AirAsia X
12 Jan - 02 Feb	AirAsia X
16 Jan - 02 Feb	AirAsia X
12 Jan - 18 Jan	AirAsia X
16 Jan - 18 Jan	AirAsia X
09 Jan - 18 Jan	AirAsia X
07 Jan - 10 Jan	Gulf Air
04 Jan - 14 Jan	Gulf Air
25 Jan - 22 Feb	Gulf Air
12 Jan - 01 Feb	AirAsia X

Also check the deals for one-way flights from Istanbul to Singapore 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 Istanbul to Singapore in January from $502

Return flights