Cheapest one-way flights from San Francisco (SFO) to Sydney (SYD), December

10 dates in December, from $ 568. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
5 Dec Frontier Airlines
3 Dec Frontier Airlines
2 Dec Fiji Airways
25 Dec Fiji Airways
4 Dec Frontier Airlines
2 Dec Alaska Airlines
Direct Flight
28 Dec Alaska Airlines
15 Dec Alaska Airlines
21 Dec Frontier Airlines
1 Dec United
Direct Flight
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Updated Oct 12, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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