Cheapest return flights from San Francisco to Sydney in August from 803€

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

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

Return flights

23 Aug - 04 Sep Hawaiian Airlines
23 Aug - 30 Aug Hawaiian Airlines
26 Aug - 09 Sep Alaska Airlines
20 Aug - 03 Sep Alaska Airlines
27 Aug - 07 Sep Vietnam Airlines
22 Aug - 05 Sep Alaska Airlines
22 Aug - 02 Sep Hawaiian Airlines
27 Aug - 07 Sep United direct
20 Aug - 03 Sep United direct
22 Aug - 02 Sep United direct
23 Aug - 01 Sep Philippine Airlines
23 Aug - 30 Aug United direct

Also check the deals for one-way 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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