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

Return flights

12 Dec - 18 Dec	VietJet Air
09 Dec - 16 Dec	Air China
06 Dec - 20 Jan	VietJet Air
05 Dec - 20 Jan	Cebu Pacific
04 Dec - 09 Dec	Cebu Pacific
09 Dec - 13 Dec	VietJet Air
12 Dec - 20 Dec	Cebu Pacific
03 Dec - 10 Dec	Scoot
03 Dec - 09 Dec	Scoot
01 Dec - 09 Dec	Cebu Pacific
02 Dec - 09 Dec	Cebu Pacific
04 Dec - 10 Dec	Cebu Pacific
05 Dec - 16 Jan	Cebu Pacific
30 Dec - 11 Jan	Scoot
25 Dec - 09 Jan	Spring Airlines
24 Dec - 12 Jan	Thai AirAsia
30 Dec - 09 Jan	Scoot
30 Dec - 08 Jan	Scoot
24 Dec - 14 Jan	Thai AirAsia
23 Dec - 12 Jan	Thai AirAsia

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 $360

Return flights