Cheapest return flights from Los Angeles to Sydney in December from 727€

Best time to book flights for Los Angeles (LAX) to Sydney (SYD) flights at AirHint

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

Return flights

04 Dec - 25 Jan Air Canada
04 Dec - 18 Dec Air Canada
12 Dec - 30 Jan Fiji Airways
08 Dec - 24 Dec Delta direct
08 Dec - 23 Dec Delta direct
09 Dec - 23 Dec Air Canada
03 Dec - 17 Dec Qantas direct
04 Dec - 25 Jan Qantas direct
27 Dec - 17 Jan United
06 Dec - 20 Dec Delta direct
06 Dec - 14 Dec Delta direct
11 Dec - 12 Jan Delta direct
03 Dec - 18 Dec Qantas
03 Dec - 18 Dec Delta direct
04 Dec - 18 Dec Delta direct
24 Dec - 12 Jan Qantas direct
10 Dec - 07 Jan United
27 Dec - 18 Jan Alaska Airlines
09 Dec - 10 Jan Delta direct
11 Dec - 01 Jan Air Canada

Also check the deals for one-way flights from Los Angeles to Sydney in December.

Skyscanner

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney