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

Return flights

25 Aug - 31 Aug	Air Canada
15 Aug - 24 Aug	Air Canada
04 Aug - 11 Aug	ANA
12 Aug - 19 Aug	ANA
25 Aug - 01 Sep	ANA
26 Aug - 02 Sep	ANA
04 Aug - 11 Aug	Qantas	direct
21 Aug - 28 Aug	Qantas	direct
07 Aug - 14 Aug	Qantas	direct
23 Aug - 30 Aug	Qantas	direct
09 Aug - 16 Aug	Qantas	direct
14 Aug - 21 Aug	Qantas	direct
30 Aug - 06 Sep	Qantas	direct
25 Aug - 01 Sep	Qantas	direct
28 Aug - 04 Sep	Qantas	direct
29 Aug - 05 Sep	ANA
27 Aug - 03 Sep	Delta
31 Aug - 07 Sep	Delta
26 Aug - 02 Sep	United	direct

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

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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Cheapest return flights from San Francisco to Sydney in August from 822€

Return flights