Cheapest return flights from Seoul to Singapore in December from $251

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

Return flights

15 Dec - 20 Dec Vietnam Airlines
17 Dec - 29 Dec Scoot Tigerair direct
12 Dec - 28 Dec Singapore Airlines direct
01 Dec - 07 Dec Asiana Airlines direct
12 Dec - 17 Dec Asiana Airlines direct
04 Dec - 07 Dec Asiana Airlines direct
12 Dec - 16 Dec Asiana Airlines direct
02 Dec - 05 Dec Asiana Airlines direct
01 Dec - 04 Dec Asiana Airlines direct
02 Dec - 07 Dec Asiana Airlines direct
25 Dec - 01 Jan Xiamen Airlines
29 Dec - 02 Jan Xiamen Airlines
31 Dec - 03 Jan Scoot Tigerair
29 Dec - 03 Jan Xiamen Airlines
24 Dec - 01 Jan Xiamen Airlines
24 Dec - 02 Jan Xiamen Airlines
29 Dec - 05 Jan Xiamen Airlines
28 Dec - 01 Jan Xiamen Airlines
25 Dec - 10 Jan Xiamen Airlines
25 Dec - 04 Jan Xiamen Airlines

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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