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

Return flights

28 Dec - 31 Jan	Qantas
28 Dec - 31 Jan	American Airlines	direct
24 Dec - 11 Jan	Delta	direct
29 Dec - 14 Jan	United
29 Dec - 20 Jan	United
23 Dec - 30 Dec	United
22 Dec - 31 Dec	American Airlines
29 Dec - 09 Jan	Fiji Airways
21 Dec - 13 Jan	United
29 Dec - 14 Jan	Delta	direct
23 Dec - 01 Jan	Fiji Airways
22 Dec - 01 Jan	Fiji Airways
22 Dec - 31 Dec	Delta	direct
20 Dec - 27 Dec	United
20 Dec - 27 Dec	American Airlines	direct

Also check the deals for one-way flights from Los Angeles to Brisbane 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 Brisbane in December from $827

Return flights