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

Return flights

08 Dec - 12 Dec	AirAsia
28 Dec - 07 Jan	China Eastern
02 Dec - 09 Dec	VietJet Air
05 Dec - 09 Dec	VietJet Air
09 Dec - 15 Dec	VietJet Air
29 Dec - 13 Jan	Scoot	direct
02 Dec - 11 Dec	Scoot
28 Dec - 07 Jan	Peach	direct
08 Dec - 16 Dec	VietJet Air
14 Dec - 19 Dec	AirAsia
03 Dec - 20 Jan	VietJet Air
18 Dec - 20 Jan	Scoot	direct
02 Dec - 10 Dec	Scoot
06 Dec - 11 Dec	VietJet Air
07 Dec - 11 Dec	VietJet Air
25 Dec - 07 Jan	Xiamen Airlines
27 Dec - 06 Jan	Cathay Pacific
28 Dec - 06 Jan	Cathay Pacific
28 Dec - 08 Jan	Cathay Pacific
27 Dec - 08 Jan	Cathay Pacific

Also check the deals for one-way flights from Singapore to Osaka 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 Singapore to Osaka in December from $317

Return flights