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

Return flights

04 Dec - 14 Dec	Qantas
02 Dec - 09 Dec	Qantas
10 Dec - 17 Dec	Qantas
03 Dec - 10 Dec	Qantas
01 Dec - 08 Dec	Qantas
08 Dec - 15 Dec	Qantas
09 Dec - 16 Dec	Qantas
01 Dec - 14 Dec	Qantas
03 Dec - 17 Jan	Qantas
04 Dec - 11 Dec	Qantas
07 Dec - 14 Dec	Qantas
25 Dec - 01 Jan	Qantas
31 Dec - 22 Jan	United
27 Dec - 03 Jan	United
29 Dec - 05 Jan	United
22 Dec - 22 Jan	United
28 Dec - 04 Jan	Qantas
25 Dec - 02 Jan	Jetstar
24 Dec - 07 Jan	Virgin Australia
31 Dec - 07 Jan	United

Also check the deals for one-way flights from Adelaide to Los Angeles 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 Adelaide to Los Angeles in December from $759

Return flights