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

Return flights

13 Dec - 17 Dec	VietJet Air
12 Dec - 17 Dec	VietJet Air
08 Dec - 11 Dec	VietJet Air
02 Dec - 06 Dec	VietJet Air
13 Dec - 16 Dec	VietJet Air
09 Dec - 16 Dec	VietJet Air
09 Dec - 13 Dec	VietJet Air
04 Dec - 09 Dec	VietJet Air
11 Dec - 15 Dec	VietJet Air
12 Dec - 16 Dec	VietJet Air
08 Dec - 09 Jan	VietJet Air
08 Dec - 12 Jan	VietJet Air
08 Dec - 09 Jan	Jeju Air	direct
08 Dec - 12 Jan	Jeju Air	direct
26 Dec - 24 Jan	VietJet Air
25 Dec - 04 Jan	Air China
29 Dec - 23 Jan	VietJet Air
28 Dec - 01 Jan	Air China
27 Dec - 03 Jan	Air China
25 Dec - 24 Jan	VietJet Air

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 315€

Return flights