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

Return flights

02 Dec - 06 Dec	Japan Airlines
09 Dec - 16 Dec	Japan Airlines
01 Dec - 06 Dec	Japan Airlines
05 Dec - 08 Dec	Malaysia Airlines
29 Dec - 06 Jan	Japan Airlines
05 Dec - 07 Dec	Japan Airlines
19 Dec - 25 Dec	Japan Airlines
10 Dec - 13 Dec	Japan Airlines
30 Dec - 04 Jan	Japan Airlines
21 Dec - 03 Jan	Japan Airlines
13 Dec - 20 Dec	Japan Airlines
30 Dec - 02 Jan	Japan Airlines
25 Dec - 01 Jan	Japan Airlines
25 Dec - 30 Dec	ANA
26 Dec - 05 Jan	Japan Airlines
26 Dec - 04 Jan	Japan Airlines
27 Dec - 31 Dec	ANA
27 Dec - 04 Jan	ANA
27 Dec - 01 Jan	ANA

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 537€

Return flights