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

Return flights

03 Dec - 08 Dec	Air China
01 Dec - 11 Dec	Air China
01 Dec - 08 Dec	Air China
12 Dec - 15 Dec	Air China
05 Dec - 08 Dec	Air China
08 Dec - 31 Jan	Air China
08 Dec - 27 Jan	Air China
08 Dec - 26 Jan	Air China
08 Dec - 28 Jan	Air China
03 Dec - 10 Dec	Air China
01 Dec - 06 Dec	Air China
01 Dec - 10 Dec	Air China
02 Dec - 10 Dec	Air China
03 Dec - 06 Dec	Air China
18 Dec - 13 Jan	Air Busan
09 Dec - 31 Jan	Scoot	direct
18 Dec - 13 Jan	Scoot	direct
26 Dec - 06 Jan	Jeju Air
25 Dec - 06 Jan	Jeju Air
30 Dec - 13 Jan	Malaysia Airlines

Also check the deals for one-way flights from Osaka 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 Osaka to Singapore in December from 264€

Return flights