Cheapest one-way flights from San Francisco to Sydney in December from 561€

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

11 Dec Hawaiian Airlines
13 Dec Hawaiian Airlines
01 Dec United direct
07 Dec United direct
11 Dec United direct
06 Dec United direct
12 Dec United direct
20 Dec Fiji Airways
17 Dec Alaska Airlines
17 Dec United 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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