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

Return flights

22 Jan - 29 Jan	IndiGo
15 Jan - 25 Jan	IndiGo
20 Jan - 26 Jan	IndiGo
27 Jan - 29 Jan	IndiGo
20 Jan - 30 Jan	IndiGo
18 Jan - 28 Jan	IndiGo
19 Jan - 30 Jan	IndiGo
07 Jan - 18 Jan	Gulf Air
12 Jan - 26 Jan	Gulf Air
17 Jan - 31 Jan	IndiGo
21 Jan - 27 Feb	AirAsia X
31 Jan - 08 Feb	IndiGo
28 Jan - 03 Feb	AirAsia X
23 Jan - 03 Feb	AirAsia X
12 Jan - 09 Feb	Qatar Airways
28 Jan - 08 Feb	AirAsia X
23 Jan - 08 Feb	AirAsia X
28 Jan - 10 Feb	AirAsia X
23 Jan - 10 Feb	AirAsia X
16 Jan - 03 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 408€

Return flights