Cheapest return SFO–SYD flights, August

AirHint found the following cheapest return flights from San Francisco (SFO) to Sydney (SYD) in August 2026 (see full year).

Return flights

05 Aug - 12 Aug Fiji Airways
08 Aug - 21 Aug Fiji Airways
27 Aug - 04 Sep Alaska Airlines
01 Aug - 14 Aug Alaska Airlines
19 Aug - 05 Sep Alaska Airlines
23 Aug - 31 Aug Fiji Airways
26 Aug - 09 Sep Fiji Airways
28 Aug - 05 Sep Fiji Airways
06 Aug - 10 Aug Alaska Airlines
28 Aug - 05 Sep United direct
27 Aug - 31 Aug Alaska Airlines
06 Aug - 10 Aug United direct

Also check the deals for one-way flights from San Francisco to Sydney in August.

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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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