Cheapest one-way flights from San Francisco to Sydney in September from $428

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

One-Way flights

04 Sep United direct
22 Sep ANA
21 Sep Philippine Airlines
22 Sep Qantas direct
21 Sep United direct

Also check the deals for return 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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