Cheapest return flights from San Francisco to Sydney in September from 639€

AirHint found the following cheapest return flights from San Francisco (SFO) to Sydney (SYD) in September 2025 (see full year).

Return flights

02 Sep - 10 Sep Hawaiian Airlines
26 Sep - 15 Oct Fiji Airways
09 Sep - 19 Sep Hawaiian Airlines
04 Sep - 15 Sep Philippine Airlines
25 Sep - 12 Oct Hawaiian Airlines
16 Sep - 16 Oct Hawaiian Airlines
14 Sep - 21 Sep Alaska Airlines
20 Sep - 08 Oct Flair Airlines
20 Sep - 28 Sep Flair Airlines
12 Sep - 19 Sep Fiji Airways
27 Sep - 09 Oct Philippine Airlines
13 Sep - 21 Sep Flair Airlines
16 Sep - 01 Oct Hawaiian Airlines
14 Sep - 20 Sep Air Canada
14 Sep - 29 Sep Air Canada
27 Sep - 19 Oct Air Canada
19 Sep - 27 Sep Air Canada
30 Sep - 05 Oct Philippine Airlines
16 Sep - 16 Oct Qantas direct
20 Sep - 08 Oct United direct

Also check the deals for one-way flights from San Francisco 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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