Cheapest return flights from Los Angeles to Sydney in September 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 September 2025 (see full year).

Return flights

06 Sep - 22 Sep Air Canada
02 Sep - 09 Sep Air Canada
09 Sep - 24 Sep Air Canada
12 Sep - 21 Sep United direct
09 Sep - 24 Sep Delta direct
17 Sep - 27 Sep Delta direct
02 Sep - 09 Sep Delta direct
24 Sep - 01 Oct United
05 Sep - 20 Sep United
18 Sep - 27 Sep Delta direct
26 Sep - 24 Oct Delta direct
24 Sep - 01 Oct Delta direct
06 Sep - 22 Sep Delta 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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