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

Return flights

19 Jan - 24 Jan	Air China
21 Jan - 27 Jan	Air China
21 Jan - 25 Jan	Air China
23 Jan - 25 Jan	Air China
23 Jan - 29 Jan	Air China
25 Jan - 29 Jan	Air China
15 Jan - 28 Jan	Air China
19 Jan - 22 Jan	Air China
23 Jan - 27 Jan	Air China
21 Jan - 24 Jan	Air China
29 Jan - 01 Feb	Air China
28 Jan - 01 Feb	Air China
29 Jan - 03 Feb	Air China
26 Jan - 04 Feb	Air China
28 Jan - 02 Feb	Jeju Air	direct
28 Jan - 01 Feb	Jeju Air	direct
29 Jan - 02 Feb	Jeju Air
28 Jan - 06 Feb	Jeju Air
27 Jan - 01 Feb	Jeju Air
29 Jan - 06 Feb	Jeju Air

Also check the deals for one-way flights from Busan 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 Busan to Singapore in January from 226€

Return flights