Cheapest one-way flights from San Francisco to Sydney in December from 391€

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

One-Way flights

04 Dec Alaska Airlines
06 Dec Alaska Airlines
08 Dec Hawaiian Airlines
07 Dec Hawaiian Airlines
13 Dec Air Canada
14 Dec Air Canada
10 Dec Air Canada
31 Dec Delta
30 Dec Delta
29 Dec Delta

Also check the deals for return 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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