AirHint found the following cheapest return flights from Singapore (SIN) to Busan (PUS) in December 2025 (see full year).

Return flights

30 Dec - 04 Jan	Vietnam Airlines
29 Dec - 04 Jan	Vietnam Airlines
11 Dec - 17 Dec	VietJet Air
11 Dec - 16 Dec	VietJet Air
10 Dec - 17 Dec	VietJet Air
06 Dec - 15 Dec	VietJet Air
05 Dec - 13 Dec	VietJet Air
01 Dec - 12 Dec	VietJet Air
05 Dec - 12 Dec	VietJet Air
08 Dec - 12 Dec	VietJet Air
05 Dec - 14 Dec	VietJet Air
11 Dec - 22 Dec	VietJet Air
26 Dec - 02 Jan	Vietnam Airlines
30 Dec - 04 Jan	Singapore Airlines	direct
26 Dec - 02 Jan	Singapore Airlines	direct
29 Dec - 04 Jan	Singapore Airlines	direct

Also check the deals for one-way flights from Singapore to Busan in December.

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.

Book a cheap hotel in Busan

Cheap car rent in Busan

Cheapest return flights from Singapore to Busan in December from $298

Return flights