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

Return flights

19 Oct - 28 Oct	United	direct
12 Oct - 27 Oct	United	direct
21 Oct - 27 Oct	United	direct
15 Oct - 27 Oct	United	direct
01 Oct - 19 Oct	United
21 Oct - 04 Nov	United	direct
14 Oct - 23 Nov	Delta	direct
05 Oct - 18 Oct	United	direct
08 Oct - 24 Oct	United	direct
02 Oct - 15 Oct	United	direct
21 Oct - 03 Nov	United
25 Oct - 11 Nov	United	direct
14 Oct - 13 Nov	United	direct
04 Oct - 18 Oct	United	direct
21 Oct - 22 Nov	United	direct
21 Oct - 28 Oct	Air Canada
22 Oct - 04 Nov	Air Canada
28 Oct - 04 Nov	Alaska Airlines	direct
31 Oct - 10 Nov	Delta	direct
31 Oct - 07 Nov	Delta	direct

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

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 Los Angeles to Sydney in October from 642€

Return flights