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

Return flights

08 Jan - 14 Jan	AirAsia
08 Jan - 13 Jan	AirAsia
15 Jan - 19 Jan	AirAsia
21 Jan - 31 Jan	AirAsia
12 Jan - 19 Jan	AirAsia
06 Jan - 14 Jan	AirAsia
19 Jan - 25 Jan	AirAsia
20 Jan - 25 Jan	AirAsia
05 Jan - 12 Jan	AirAsia
15 Jan - 18 Jan	AirAsia
21 Jan - 07 Feb	AirAsia
13 Jan - 07 Feb	AirAsia
21 Jan - 01 Feb	Scoot
20 Jan - 28 Feb	Vietnam Airlines
22 Jan - 01 Feb	Scoot
28 Jan - 09 Feb	Scoot	direct
30 Jan - 10 Feb	VietJet Air
21 Jan - 08 Feb	AirAsia
29 Jan - 03 Feb	Scoot
28 Jan - 01 Feb	Scoot

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 202€

Return flights