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

Return flights

28 Dec - 13 Jan	Cathay Pacific
28 Dec - 10 Jan	Cathay Pacific
22 Dec - 05 Jan	Jetstar
28 Dec - 18 Jan	Singapore Airlines
22 Dec - 08 Jan	Jetstar
27 Dec - 15 Jan	Jetstar
30 Dec - 16 Jan	Singapore Airlines
28 Dec - 16 Jan	Singapore Airlines
22 Dec - 13 Jan	Jetstar
27 Dec - 10 Jan	Jetstar
22 Dec - 27 Dec	Jetstar

Also check the deals for one-way flights from Adelaide 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 Adelaide to Osaka in December from 1135€

Return flights