Cheapest return flights from San Francisco to Sydney in December from 856€

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

Return flights

13 Dec - 13 Jan Air Canada
01 Dec - 14 Dec Hawaiian Airlines
30 Dec - 13 Jan Air Canada
16 Dec - 25 Dec Air Canada
16 Dec - 13 Jan Air Canada
09 Dec - 23 Dec Qantas direct
30 Dec - 13 Jan United direct
31 Dec - 11 Jan United direct
10 Dec - 16 Dec ANA
28 Dec - 16 Jan Air Canada
06 Dec - 26 Dec Qantas
24 Dec - 08 Jan United direct
11 Dec - 21 Dec United direct
11 Dec - 16 Dec Air Canada
30 Dec - 07 Jan United
16 Dec - 04 Jan Air Canada
21 Dec - 18 Jan Air Canada
23 Dec - 29 Dec Air Canada
12 Dec - 24 Dec United direct
17 Dec - 24 Dec ANA

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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