Cheapest one-way flights from San Francisco to Sydney in December from $466

AirHint found the following cheapest one-way flights from San Francisco (SFO) to Sydney (SYD) in December 2025 (see full year).

One-Way flights

02 Dec Alaska Airlines
07 Dec Alaska Airlines
05 Dec Alaska Airlines
04 Dec ANA
02 Dec Qantas direct
29 Dec Fiji Airways
07 Dec Qantas direct
30 Dec United direct
29 Dec United direct
05 Dec Qantas direct

Also check the deals for return flights from San Francisco to Sydney in December.

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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