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

Return flights

13 Jan - 10 Feb	AirAsia
26 Jan - 04 Feb	AirAsia
26 Jan - 02 Feb	AirAsia
24 Jan - 29 Jan	VietJet Air
05 Jan - 14 Jan	Scoot
04 Jan - 07 Jan	T'way Air
05 Jan - 07 Jan	Jeju Air
13 Jan - 30 Jan	VietJet Air
26 Jan - 04 Feb	Scoot	direct
27 Jan - 03 Feb	VietJet Air
19 Jan - 30 Jan	VietJet Air
31 Jan - 09 Feb	Scoot	direct
12 Jan - 19 Jan	AirAsia
26 Jan - 29 Jan	AirAsia
21 Jan - 31 Jan	Scoot
23 Jan - 26 Jan	Scoot
31 Jan - 11 Feb	Scoot	direct
28 Jan - 11 Feb	Scoot	direct
30 Jan - 01 Feb	VietJet Air
25 Jan - 01 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 217€

Return flights