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

Return flights

15 Oct - 22 Oct	Singapore Airlines	direct
31 Oct - 11 Nov	AirAsia
10 Oct - 13 Oct	Singapore Airlines	direct
18 Oct - 25 Oct	Singapore Airlines	direct
17 Oct - 24 Oct	IndiGo
31 Oct - 15 Nov	AirAsia
08 Oct - 11 Nov	AirAsia
15 Oct - 23 Oct	IndiGo
15 Oct - 18 Oct	AirAsia
01 Oct - 08 Oct	IndiGo
06 Oct - 11 Oct	AirAsia
01 Oct - 31 Oct	Singapore Airlines	direct
01 Oct - 06 Oct	IndiGo
31 Oct - 19 Nov	AirAsia
31 Oct - 18 Nov	AirAsia
31 Oct - 10 Nov	AirAsia
31 Oct - 20 Nov	AirAsia
31 Oct - 17 Nov	AirAsia
15 Oct - 01 Nov	AirAsia
31 Oct - 01 Nov	AirAsia

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

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 October from 229€

Return flights