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

Return flights

05 Dec - 12 Dec	Vietnam Airlines
12 Dec - 14 Dec	Vietnam Airlines
01 Dec - 05 Dec	VietJet Air
01 Dec - 09 Dec	VietJet Air
01 Dec - 04 Dec	VietJet Air
02 Dec - 05 Dec	VietJet Air
04 Dec - 07 Dec	Air China
03 Dec - 07 Dec	Air China
22 Dec - 25 Dec	Air Busan
07 Dec - 11 Dec	VietJet Air
19 Dec - 20 Jan	VietJet Air
22 Dec - 02 Jan	Jeju Air
23 Dec - 02 Jan	Jeju Air
29 Dec - 06 Jan	Jeju Air
30 Dec - 07 Jan	VietJet Air
29 Dec - 23 Jan	VietJet Air
31 Dec - 08 Jan	VietJet Air
31 Dec - 05 Jan	VietJet Air
26 Dec - 03 Jan	Air China
25 Dec - 03 Jan	Air China

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

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Cheapest return flights from Busan to Singapore in December from 208€

Return flights