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

Return flights

09 Dec - 14 Dec	Lufthansa
08 Dec - 15 Dec	Lufthansa
07 Dec - 14 Dec	Lufthansa
10 Dec - 15 Dec	Lufthansa
14 Dec - 24 Dec	SWISS
09 Dec - 23 Dec	Lufthansa
26 Dec - 11 Jan	Scandinavian Airlines
11 Dec - 08 Jan	Lufthansa
10 Dec - 26 Dec	Lufthansa
10 Dec - 17 Dec	Lufthansa
11 Dec - 18 Dec	British Airways
31 Dec - 07 Jan	Scandinavian Airlines
23 Dec - 06 Jan	Lufthansa
13 Dec - 20 Dec	British Airways
24 Dec - 04 Jan	Scandinavian Airlines
30 Dec - 04 Jan	Lufthansa

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Oslo in December from $468

Return flights