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

Return flights

15 Jan - 21 Jan	IndiGo	direct
21 Jan - 25 Jan	IndiGo
12 Jan - 22 Jan	IndiGo
21 Jan - 26 Jan	IndiGo
19 Jan - 28 Jan	IndiGo
21 Jan - 22 Jan	AirAsia
21 Jan - 28 Jan	AirAsia
12 Jan - 21 Jan	AirAsia
12 Jan - 28 Jan	AirAsia
19 Jan - 21 Jan	AirAsia
21 Jan - 04 Feb	AirAsia
19 Jan - 04 Feb	AirAsia
25 Jan - 04 Feb	AirAsia
15 Jan - 04 Feb	AirAsia
17 Jan - 04 Feb	Thai AirAsia
27 Jan - 04 Feb	Thai AirAsia
30 Jan - 04 Feb	AirAsia

Also check the deals for one-way flights from Kolkata 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 Kolkata to Singapore in January from 222€

Return flights