Cheapest return flights from San Francisco to Sydney in December from 905€

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

Return flights

09 Dec - 13 Jan ANA
01 Dec - 10 Dec Alaska Airlines
05 Dec - 13 Dec Fiji Airways
09 Dec - 13 Jan United direct
04 Dec - 14 Dec Qantas
04 Dec - 14 Dec United direct
05 Dec - 19 Dec Fiji Airways
05 Dec - 13 Dec United direct
05 Dec - 19 Dec United direct
08 Dec - 12 Dec Air Canada
06 Dec - 12 Dec ANA
02 Dec - 05 Jan Qantas
22 Dec - 15 Jan Air Canada
02 Dec - 05 Jan United direct
20 Dec - 17 Jan Hawaiian Airlines
28 Dec - 04 Jan Qantas
26 Dec - 05 Jan United direct
08 Dec - 12 Dec United direct
19 Dec - 09 Jan Philippine Airlines
16 Dec - 04 Jan Asiana Airlines

Also check the deals for one-way 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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