Cheapest return flights from San Francisco to Sydney in October from $714

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

Return flights

04 Oct - 18 Oct Fiji Airways
02 Oct - 04 Nov Fiji Airways
31 Oct - 06 Nov Alaska Airlines
30 Oct - 05 Nov Fiji Airways
18 Oct - 21 Nov Fiji Airways
03 Oct - 18 Oct Alaska Airlines
04 Oct - 18 Oct Qantas direct
03 Oct - 18 Oct United direct
02 Oct - 04 Nov United direct
30 Oct - 05 Nov United direct
31 Oct - 06 Nov United direct

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

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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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