Cheapest return flights from San Francisco to Sydney in September from 702€

AirHint found the following cheapest return flights from San Francisco (SFO) to Sydney (SYD) in September 2026 (see full year).

Return flights

06 Sep - 13 Sep Fiji Airways
07 Sep - 21 Sep Alaska Airlines
23 Sep - 21 Oct Air Canada
20 Sep - 25 Sep Fiji Airways
17 Sep - 30 Sep Air Canada
27 Sep - 10 Oct Air Canada
23 Sep - 22 Oct Air Canada
24 Sep - 22 Oct Air Canada
04 Sep - 26 Sep Alaska Airlines
17 Sep - 30 Sep United direct
27 Sep - 10 Oct United direct

Also check the deals for one-way flights from San Francisco to Sydney in September.

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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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