Cheapest return flights from Los Angeles to Sydney in September from $775

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

Return flights

20 Sep - 15 Oct Hawaiian Airlines
22 Sep - 22 Oct Philippine Airlines
22 Sep - 29 Sep Fiji Airways
26 Sep - 29 Sep Fiji Airways
23 Sep - 30 Sep Fiji Airways
25 Sep - 30 Sep Fiji Airways
28 Sep - 06 Oct Fiji Airways
26 Sep - 03 Oct Fiji Airways
26 Sep - 05 Oct Fiji Airways
22 Sep - 06 Oct Fiji Airways
24 Sep - 06 Oct Fiji Airways
23 Sep - 14 Oct Philippine Airlines
26 Sep - 24 Oct Fiji Airways
28 Sep - 12 Oct Fiji Airways
20 Sep - 28 Sep Hawaiian Airlines
20 Sep - 22 Sep Hawaiian Airlines
22 Sep - 29 Sep Delta direct
23 Sep - 30 Sep Delta direct
20 Sep - 27 Sep Philippine Airlines
24 Sep - 27 Sep Qantas direct

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

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.

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