AirHint found the following cheapest return flights from Sydney (SYD) to Los Angeles (LAX) in September 2026 (see full year).

Return flights

04 Sep - 18 Sep	Fiji Airways
10 Sep - 19 Sep	Fiji Airways
14 Sep - 22 Sep	Fiji Airways
04 Sep - 11 Sep	Fiji Airways
01 Sep - 19 Sep	Fiji Airways
06 Sep - 13 Sep	Fiji Airways
07 Sep - 14 Sep	Fiji Airways
01 Sep - 01 Sep	Fiji Airways
01 Sep - 22 Sep	Fiji Airways
02 Sep - 16 Sep	Fiji Airways
17 Sep - 08 Oct	Fiji Airways
20 Sep - 17 Oct	Fiji Airways
27 Sep - 14 Oct	Air Canada
11 Sep - 05 Oct	Air Canada
24 Sep - 04 Oct	Philippine Airlines
25 Sep - 05 Oct	Philippine Airlines
25 Sep - 07 Oct	Philippine Airlines
24 Sep - 04 Oct	Qantas	direct
27 Sep - 14 Oct	Qantas	direct
25 Sep - 07 Oct	Qantas	direct

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

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 Sydney to Los Angeles in September from $697

Return flights