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

Return flights

26 Jan - 04 Feb	Scoot	direct
26 Jan - 31 Jan	Scoot	direct
19 Jan - 26 Jan	Scoot	direct
21 Jan - 26 Jan	Scoot	direct
20 Jan - 26 Jan	Cebu Pacific
19 Jan - 24 Jan	Scoot	direct
19 Jan - 31 Jan	Scoot	direct
28 Jan - 31 Jan	Scoot	direct
21 Jan - 25 Jan	Cebu Pacific
22 Jan - 25 Jan	Cebu Pacific
29 Jan - 31 Jan	Cebu Pacific
29 Jan - 02 Feb	Cebu Pacific
28 Jan - 02 Feb	Cebu Pacific
28 Jan - 07 Feb	Cebu Pacific
31 Jan - 04 Feb	Scoot	direct
14 Jan - 04 Feb	Scoot	direct
31 Jan - 07 Feb	Scoot	direct
16 Jan - 07 Feb	Cebu Pacific
21 Jan - 04 Feb	Cebu Pacific
27 Jan - 02 Feb	Cebu Pacific

Also check the deals for one-way flights from Seoul to Singapore 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 Seoul to Singapore in January from $223

Return flights