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

Return flights

10 Dec - 22 Dec	Jetstar
31 Dec - 31 Jan	Turkish Airlines
27 Dec - 23 Jan	Turkish Airlines
01 Dec - 11 Dec	Etihad Airways
10 Dec - 14 Jan	Turkish Airlines
25 Dec - 09 Jan	Turkish Airlines
28 Dec - 08 Jan	Turkish Airlines
09 Dec - 13 Jan	Turkish Airlines
11 Dec - 15 Jan	Turkish Airlines
12 Dec - 25 Dec	British Airways
11 Dec - 13 Jan	Etihad Airways
12 Dec - 30 Jan	KLM
12 Dec - 14 Jan	KLM
17 Dec - 24 Dec	Turkish Airlines
15 Dec - 28 Dec	Virgin Australia

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 $1339

Return flights