AirHint found the following cheapest return flights from Singapore (SIN) to Seoul (ICN) in January 2026 (see full year).

Return flights

26 Jan - 31 Jan	Scoot	direct
26 Jan - 09 Feb	Scoot	direct
26 Jan - 02 Feb	AirAsia
26 Jan - 10 Feb	AirAsia
07 Jan - 10 Jan	Scoot
05 Jan - 10 Jan	Scoot
17 Jan - 18 Jan	Scoot
31 Jan - 07 Feb	Scoot	direct
26 Jan - 02 Feb	Scoot	direct
28 Jan - 05 Feb	Scoot
30 Jan - 31 Jan	Hainan Airlines
17 Jan - 24 Jan	Scoot	direct
12 Jan - 26 Jan	Scoot	direct
19 Jan - 26 Jan	Scoot	direct
26 Jan - 04 Feb	Scoot	direct
21 Jan - 04 Feb	Scoot	direct
21 Jan - 03 Feb	Scoot
13 Jan - 19 Jan	Vietnam Airlines
09 Jan - 17 Jan	Vietnam Airlines
26 Jan - 01 Feb	AirAsia

Also check the deals for one-way flights from Singapore to Seoul in January.

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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Cheapest return flights from Singapore to Seoul in January from $229

Return flights