Cheapest return flights from San Francisco to Sydney in August from $886

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

20 Aug - 02 Sep Philippine Airlines
30 Aug - 06 Sep Alaska Airlines
16 Aug - 26 Aug Philippine Airlines
06 Aug - 13 Aug Air Canada
21 Aug - 11 Sep Alaska Airlines
16 Aug - 26 Aug United direct
08 Aug - 15 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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