AirHint found the following cheapest return flights from Kolkata (CCU) to Singapore (SIN) in December 2025 (see full year).

Return flights

17 Dec - 28 Dec	AirAsia
17 Dec - 06 Jan	AirAsia
17 Dec - 23 Dec	AirAsia
15 Dec - 30 Dec	AirAsia
19 Dec - 04 Jan	IndiGo
19 Dec - 28 Dec	AirAsia
19 Dec - 23 Dec	AirAsia
11 Dec - 02 Jan	IndiGo
19 Dec - 31 Dec	IndiGo	direct
22 Dec - 29 Dec	AirAsia
21 Dec - 28 Dec	AirAsia
22 Dec - 31 Dec	AirAsia
22 Dec - 03 Jan	AirAsia
19 Dec - 27 Dec	IndiGo
29 Dec - 03 Jan	AirAsia
25 Dec - 05 Jan	AirAsia
30 Dec - 04 Jan	IndiGo
30 Dec - 05 Jan	IndiGo
27 Dec - 09 Jan	IndiGo	direct
11 Dec - 02 Jan	IndiGo	direct

Also check the deals for one-way flights from Kolkata to Singapore in December.

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Kolkata to Singapore in December from $181

Return flights