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

Return flights

09 Jan - 14 Jan	VietJet Air
10 Jan - 13 Jan	VietJet Air
21 Jan - 27 Jan	Air China
29 Jan - 04 Feb	Air China
15 Jan - 21 Jan	Jeju Air
13 Jan - 19 Jan	Jeju Air
11 Jan - 13 Jan	VietJet Air
07 Jan - 09 Jan	VietJet Air
07 Jan - 27 Jan	Air China
19 Jan - 22 Jan	China Eastern
13 Jan - 15 Jan	VietJet Air
28 Jan - 01 Feb	Air China
29 Jan - 01 Feb	Air China
30 Jan - 02 Feb	VietJet Air
28 Jan - 02 Feb	VietJet Air
30 Jan - 03 Feb	VietJet Air
30 Jan - 04 Feb	VietJet Air
30 Jan - 05 Feb	VietJet Air
09 Jan - 01 Feb	VietJet Air
25 Jan - 04 Feb	VietJet 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 237€

Return flights