Cheapest one-way flights from San Francisco to Sydney in December from 308€

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

One-Way flights

09 Dec Alaska Airlines
05 Dec Hawaiian Airlines
09 Dec Qantas direct
08 Dec United direct
29 Dec United direct
31 Dec United direct
30 Dec United direct
25 Dec Alaska Airlines
11 Dec Alaska Airlines
05 Dec Qantas direct

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

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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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