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

Return flights

15 Jan - 23 Jan	Jeju Air	direct
11 Jan - 14 Jan	Scoot
24 Jan - 28 Jan	Scoot
25 Jan - 30 Jan	VietJet Air
26 Jan - 30 Jan	VietJet Air
07 Jan - 23 Jan	Jeju Air	direct
03 Jan - 23 Jan	Jeju Air	direct
06 Jan - 23 Jan	Jeju Air	direct
22 Jan - 27 Jan	VietJet Air
23 Jan - 27 Jan	VietJet Air
19 Jan - 05 Feb	Scoot
26 Jan - 01 Feb	VietJet Air
25 Jan - 01 Feb	VietJet Air
31 Jan - 08 Feb	VietJet Air
08 Jan - 12 Feb	Scoot
08 Jan - 12 Feb	Jeju Air	direct
31 Jan - 07 Feb	Scoot
19 Jan - 05 Feb	Jeju Air	direct
25 Jan - 01 Feb	Jeju Air	direct
31 Jan - 08 Feb	Jeju Air	direct

Also check the deals for one-way flights from Singapore to Busan 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 Singapore to Busan in January from $270

Return flights