Cheapest return flights from San Francisco to Sydney in October from $830

Best time to book flights for San Francisco (SFO) to Sydney (SYD) flights at AirHint

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

Return flights

11 Oct - 26 Oct Hawaiian Airlines
12 Oct - 21 Oct Air New Zealand
19 Oct - 28 Oct Air New Zealand
18 Oct - 27 Oct Philippine Airlines
11 Oct - 27 Oct Philippine Airlines
04 Oct - 30 Oct Philippine Airlines
06 Oct - 12 Oct Philippine Airlines
20 Oct - 28 Nov Air New Zealand
19 Oct - 28 Oct United direct
08 Oct - 22 Oct Delta
18 Oct - 27 Oct United direct

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

Skyscanner

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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