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

Return flights

07 Jan - 31 Jan	Scoot	direct
31 Jan - 09 Feb	Scoot	direct
05 Jan - 12 Jan	Scoot
19 Jan - 22 Jan	AirAsia
15 Jan - 20 Jan	AirAsia
26 Jan - 02 Feb	AirAsia
18 Jan - 22 Jan	AirAsia
26 Jan - 10 Feb	AirAsia
28 Jan - 31 Jan	Scoot	direct
21 Jan - 26 Jan	Scoot	direct
04 Jan - 06 Jan	Hainan Airlines
05 Jan - 07 Jan	Scoot
24 Jan - 02 Feb	Scoot	direct
31 Jan - 07 Feb	Scoot	direct
03 Jan - 07 Jan	Scoot
26 Jan - 04 Feb	Scoot	direct
31 Jan - 05 Feb	VietJet Air
22 Jan - 05 Feb	VietJet Air
31 Jan - 08 Feb	Cebu Pacific
23 Jan - 05 Feb	VietJet Air

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 213€

Return flights