Cheapest return flights from Seoul to Singapore in December from $235

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

Return flights

03 Dec - 12 Jan Scoot direct
10 Dec - 14 Dec Vietnam Airlines
03 Dec - 10 Dec Vietnam Airlines
02 Dec - 09 Dec Vietnam Airlines
15 Dec - 12 Jan Hainan Airlines
01 Dec - 31 Dec Scoot direct
14 Dec - 19 Dec Vietnam Airlines
13 Dec - 18 Dec Vietnam Airlines
01 Dec - 09 Jan Cebu Pacific
02 Dec - 07 Dec Jeju Air direct
01 Dec - 09 Jan Korean Air direct
05 Dec - 10 Dec Air China
05 Dec - 07 Dec Air China
01 Dec - 10 Dec Air China
06 Dec - 29 Jan Cebu Pacific
13 Dec - 02 Jan Asiana Airlines direct
01 Dec - 02 Jan Asiana Airlines direct
06 Dec - 29 Jan Asiana Airlines direct
22 Dec - 07 Jan Philippines AirAsia Inc.
24 Dec - 10 Jan Cebu Pacific

Also check the deals for one-way flights from Seoul 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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