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

Return flights

12 Dec - 02 Jan	Jeju Air	direct
04 Dec - 11 Dec	Jeju Air
14 Dec - 27 Dec	Air China
09 Dec - 10 Dec	Vietnam Airlines
22 Dec - 24 Dec	Air China
15 Dec - 17 Dec	Air China
18 Dec - 22 Dec	Air China
14 Dec - 17 Dec	Air China
22 Dec - 27 Dec	Air China
03 Dec - 07 Dec	Air China
03 Dec - 10 Dec	Air China
23 Dec - 04 Jan	Air China
18 Dec - 01 Jan	Jeju Air	direct
22 Dec - 12 Jan	Jeju Air
23 Dec - 03 Jan	Jeju Air	direct
29 Dec - 01 Jan	Air China
23 Dec - 04 Jan	Jeju Air	direct
26 Dec - 01 Jan	Air China
26 Dec - 03 Jan	Air China
31 Dec - 04 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 200€

Return flights