Cheapest return flights from Seoul to Singapore in December from $287

Best time to book flights for Seoul (ICN) to Singapore (SIN) flights at AirHint

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

Return flights

01 Dec - 05 Dec Vietnam Airlines
05 Dec - 07 Dec Vietnam Airlines
07 Dec - 13 Dec Vietnam Airlines
11 Dec - 16 Dec Vietnam Airlines
04 Dec - 08 Dec Vietnam Airlines
10 Dec - 16 Dec Vietnam Airlines
11 Dec - 14 Dec Vietnam Airlines
06 Dec - 13 Dec Vietnam Airlines
03 Dec - 07 Dec Vietnam Airlines
12 Dec - 19 Dec Vietnam Airlines
25 Dec - 03 Jan Scoot Tigerair direct
30 Dec - 03 Jan Scoot Tigerair direct
27 Dec - 01 Jan Scoot Tigerair direct
26 Dec - 15 Jan Thai Airways
26 Dec - 01 Jan Thai Airways
29 Dec - 02 Jan Vietnam Airlines
31 Dec - 04 Jan Vietnam Airlines
29 Dec - 03 Jan Vietnam Airlines
28 Dec - 01 Jan Vietnam Airlines
26 Dec - 01 Jan Singapore Airlines direct

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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