Cheapest return flights from San Francisco (SFO) to Sydney (SYD), December

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
09 Dec 23 Dec United
Direct Flight
11 Dec 01 Jan Fiji Airways
13 Dec 23 Dec Fiji Airways
14 Dec 04 Jan Fiji Airways
15 Dec 28 Dec Asiana Airlines
16 Dec 23 Dec Qantas
13 Dec 23 Dec Qantas
Direct Flight
20 Dec 10 Jan Fiji Airways
20 Dec 10 Jan Qantas
Direct Flight
18 Dec 11 Jan Alaska Airlines
15 Dec 28 Dec United
Direct Flight
16 Dec 23 Dec United
Direct Flight
25 Dec 03 Jan United
11 Dec 01 Jan United
Direct Flight
19 Dec 04 Jan Frontier Airlines
19 Dec 17 Jan Air Canada
20 Dec 01 Jan Fiji Airways
13 Dec 20 Dec Air Canada
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Updated Jul 19, 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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