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

Return flights

30 Jul - 06 Aug	Alaska Airlines
30 Jul - 07 Aug	Alaska Airlines
29 Jul - 08 Aug	Hawaiian Airlines
29 Jul - 06 Aug	Hawaiian Airlines
31 Jul - 05 Aug	Hawaiian Airlines
28 Jul - 10 Aug	Hawaiian Airlines
30 Jul - 06 Aug	United	direct
29 Jul - 06 Aug	United	direct
31 Jul - 05 Aug	Qantas	direct
28 Jul - 31 Jul	Qantas
27 Jul - 07 Aug	Qantas	direct
28 Jul - 31 Jul	United	direct

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

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 July from 887€

Return flights