Cheapest one-way flights from San Francisco to Sydney in August from $403

Best time to book flights for San Francisco (SFO) to Sydney (SYD) flights at AirHint

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

One-Way flights

05 Aug Hawaiian Airlines
30 Aug Alaska Airlines
16 Aug Alaska Airlines
28 Aug Alaska Airlines
09 Aug Alaska Airlines
06 Aug Frontier Airlines
18 Aug Alaska Airlines
31 Aug Alaska Airlines
04 Aug Frontier Airlines
15 Aug Frontier 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.

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