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

Return flights

19 Jan - 27 Jan	Air China
21 Jan - 28 Jan	Air China
19 Jan - 21 Jan	Air China
21 Jan - 25 Jan	Air China
19 Jan - 29 Jan	Air China
18 Jan - 24 Jan	Air China
19 Jan - 22 Jan	Air China
18 Jan - 22 Jan	Air China
22 Jan - 27 Jan	Air China
19 Jan - 25 Jan	Air China
12 Jan - 02 Feb	Air China
15 Jan - 10 Feb	Vietnam Airlines
29 Jan - 05 Feb	China Eastern
11 Jan - 02 Feb	Vietnam Airlines
09 Jan - 01 Feb	Vietnam Airlines
29 Jan - 01 Feb	Air China
29 Jan - 02 Feb	Jeju Air
29 Jan - 02 Feb	Jeju Air	direct
29 Jan - 05 Feb	Jeju Air	direct
15 Jan - 10 Feb	Jeju Air	direct

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 $264

Return flights