Cheapest return flights from San Francisco to Sydney in August from $715

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

Return flights

26 Aug - 09 Sep Fiji Airways
23 Aug - 31 Aug Fiji Airways
25 Aug - 01 Sep Air New Zealand
10 Aug - 17 Aug Air New Zealand
19 Aug - 05 Sep Fiji Airways
12 Aug - 19 Aug Air Canada
13 Aug - 20 Aug Air Canada
23 Aug - 31 Aug United direct
24 Aug - 31 Aug United direct
19 Aug - 05 Sep United direct
10 Aug - 17 Aug United direct
25 Aug - 01 Sep 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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