Cheapest one-way flights from San Francisco to Sydney in December from $273

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

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

One-Way flights

06 Dec Alaska Airlines
16 Dec Alaska Airlines
24 Dec Hawaiian Airlines
12 Dec Air Tahiti Nui
22 Dec Hawaiian Airlines
27 Dec Fiji Airways
13 Dec Fiji Airways
21 Dec Fiji Airways
23 Dec ANA
17 Dec Fiji Airways

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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