Cheapest one-way flights from San Francisco to Sydney in August from $291

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Sydney (SYD) in August 2025 (see full year).

One-Way flights

23 Aug Alaska Airlines
26 Aug Alaska Airlines
30 Aug Alaska Airlines
12 Aug Hawaiian Airlines
07 Aug Alaska Airlines
11 Aug Hawaiian Airlines
20 Aug Hawaiian Airlines
09 Aug Hawaiian Airlines
25 Aug Hawaiian Airlines
14 Aug Hawaiian Airlines

Also check the deals for return flights from San Francisco to Sydney in August.

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Feel free to contact us with any feedback or request another flight research.