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

Return flights

01 Dec - 09 Dec	Qantas
01 Dec - 22 Dec	Qantas
08 Dec - 15 Dec	Fiji Airways
06 Dec - 30 Dec	Fiji Airways
06 Dec - 29 Dec	Fiji Airways
01 Dec - 08 Dec	Fiji Airways
08 Dec - 31 Dec	Fiji Airways
11 Dec - 10 Jan	Fiji Airways
10 Dec - 11 Jan	Fiji Airways
06 Dec - 10 Jan	Fiji Airways
14 Dec - 27 Dec	Alaska Airlines
14 Dec - 28 Dec	Alaska Airlines
14 Dec - 11 Jan	Frontier Airlines
01 Dec - 09 Dec	Qantas	direct
01 Dec - 13 Jan	Qantas	direct
02 Dec - 13 Jan	Qantas	direct
27 Dec - 10 Jan	Alaska Airlines
11 Dec - 11 Jan	Fiji Airways
05 Dec - 01 Jan	Qantas	direct
10 Dec - 13 Jan	Qantas	direct

Also check the deals for one-way flights from Los Angeles to Melbourne 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 Melbourne in December from $817

Return flights