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

Return flights

21 Jan - 28 Jan	Air China
12 Jan - 21 Jan	Air China
19 Jan - 23 Jan	Air China
18 Jan - 22 Jan	Air China
27 Jan - 10 Feb	Air China
30 Jan - 07 Feb	Air China
10 Jan - 18 Jan	Air China
06 Jan - 11 Jan	Air China
05 Jan - 11 Jan	Air China
16 Jan - 20 Jan	EVA Air
31 Jan - 04 Feb	Air China
27 Jan - 03 Feb	EVA Air
05 Jan - 13 Jan	Air China
26 Jan - 31 Jan	Air China
29 Jan - 02 Feb	Japan Airlines
31 Jan - 07 Feb	Japan Airlines

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 $543

Return flights