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

Return flights

10 Dec - 19 Jan	AirAsia X
18 Dec - 22 Dec	AirAsia X
17 Dec - 21 Dec	AirAsia X
09 Dec - 22 Dec	AirAsia X
17 Dec - 26 Dec	Scoot	direct
10 Dec - 19 Jan	Scoot	direct
17 Dec - 23 Dec	Scoot	direct
17 Dec - 21 Dec	Scoot	direct
10 Dec - 16 Dec	AirAsia X
11 Dec - 16 Dec	AirAsia X
13 Dec - 16 Dec	Scoot	direct
11 Dec - 16 Dec	Scoot	direct
10 Dec - 02 Jan	Scoot	direct
24 Dec - 02 Jan	Spring Airlines
10 Dec - 03 Jan	Thai VietJet Air
23 Dec - 06 Jan	Scoot	direct
10 Dec - 03 Jan	Scoot	direct
08 Dec - 24 Jan	China Southern
31 Dec - 03 Jan	Shanghai Airlines
27 Dec - 02 Jan	Shandong 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 224€

Return flights