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

Return flights

13 Jan - 18 Jan	IndiGo
11 Jan - 18 Jan	Pegasus Airlines
22 Jan - 25 Jan	SKY express
21 Jan - 26 Jan	IndiGo
24 Jan - 01 Feb	Pegasus Airlines
24 Jan - 29 Jan	IndiGo
23 Jan - 26 Jan	IndiGo
19 Jan - 01 Feb	IndiGo
27 Jan - 03 Feb	IndiGo
22 Jan - 29 Jan	SKY express
17 Jan - 28 Jan	IndiGo
16 Jan - 28 Jan	IndiGo
28 Jan - 01 Feb	SKY express
11 Jan - 26 Jan	Pegasus Airlines
26 Jan - 02 Feb	Aegean Airlines
16 Jan - 02 Feb	Aegean Airlines
21 Jan - 04 Feb	IndiGo
26 Jan - 09 Feb	AirAsia X
16 Jan - 03 Feb	IndiGo
16 Jan - 04 Feb	IndiGo

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 396€

Return flights