Cheapest return flights from Kolkata to Singapore in December from $285

Best time to book flights for Kolkata (CCU) to Singapore (SIN) flights at AirHint

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

Return flights

23 Dec - 03 Jan Singapore Airlines direct
05 Dec - 08 Dec Singapore Airlines direct
04 Dec - 10 Dec Singapore Airlines direct
11 Dec - 20 Dec Singapore Airlines direct
04 Dec - 20 Dec AirAsia
13 Dec - 23 Dec IndiGo
04 Dec - 05 Dec AirAsia
20 Dec - 20 Dec Thai AirAsia
20 Dec - 03 Jan Thai AirAsia

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

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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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