AirHint found the following cheapest return flights from Osaka (KIX) to Singapore (SIN) in December 2026 (see full year).

Return flights

11 Dec - 14 Dec	Cathay Pacific
18 Dec - 20 Dec	Air China
14 Dec - 20 Dec	Air China
19 Dec - 22 Dec	Air China
18 Dec - 21 Dec	Air China
17 Dec - 21 Dec	Air China
15 Dec - 18 Dec	Air China
16 Dec - 19 Dec	Air China
18 Dec - 22 Dec	Air China
17 Dec - 20 Dec	Air China
16 Dec - 02 Jan	Air China
17 Dec - 02 Jan	Air China
31 Dec - 04 Jan	EVA Air
29 Dec - 03 Jan	EVA Air
29 Dec - 02 Jan	EVA Air
30 Dec - 02 Jan	EVA Air
28 Dec - 02 Jan	EVA Air
27 Dec - 03 Jan	STARLUX Airlines
27 Dec - 02 Jan	STARLUX Airlines
31 Dec - 04 Jan	Singapore Airlines	direct

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 335€

Return flights