AirHint found the following cheapest return flights from Sydney (SYD) to Oslo (OSL) in December 2025 (see full year).

Return flights

06 Dec - 01 Jan	Turkish Airlines
06 Dec - 31 Dec	Turkish Airlines
05 Dec - 01 Jan	Turkish Airlines
25 Dec - 31 Dec	British Airways
23 Dec - 07 Jan	Thai Airways
23 Dec - 06 Jan	Thai Airways
16 Dec - 07 Jan	Thai Airways
24 Dec - 01 Jan	Thai Airways
26 Dec - 31 Dec	Turkish Airlines
25 Dec - 15 Jan	Turkish Airlines
25 Dec - 01 Jan	Turkish Airlines
26 Dec - 01 Jan	Turkish Airlines
06 Dec - 02 Jan	Turkish Airlines
15 Dec - 28 Dec	Emirates

Also check the deals for one-way flights from Sydney to Oslo 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 Sydney to Oslo in December from 1352€

Return flights