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

Return flights

10 Dec - 17 Dec	United
01 Dec - 22 Dec	United	direct
10 Dec - 17 Dec	Delta	direct
10 Dec - 21 Dec	Delta	direct
10 Dec - 11 Jan	Delta	direct
07 Dec - 05 Jan	United
05 Dec - 14 Jan	United
10 Dec - 20 Dec	United	direct
05 Dec - 14 Jan	Delta	direct
12 Dec - 11 Jan	United	direct
12 Dec - 23 Dec	United	direct
07 Dec - 05 Jan	Qantas	direct
15 Dec - 25 Jan	Qantas
22 Dec - 19 Jan	United
21 Dec - 19 Jan	United
15 Dec - 25 Jan	Delta	direct
17 Dec - 25 Dec	United	direct
20 Dec - 31 Dec	United	direct
19 Dec - 29 Dec	Asiana Airlines
19 Dec - 29 Dec	United	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 1008€

Return flights