Cheapest one-way flights from San Francisco to Sydney in December from 436€

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

One-Way flights

07 Dec Zipair
02 Dec Zipair
01 Dec Zipair
29 Dec Frontier Airlines
06 Dec Frontier Airlines
24 Dec Frontier Airlines
31 Dec Hawaiian Airlines
27 Dec Frontier Airlines
28 Dec Alaska Airlines
05 Dec Alaska Airlines

Also check the deals for return flights from San Francisco to Sydney in December.

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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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