Cheapest one-way flights from San Francisco to Sydney in April from $344

Best time to book flights for San Francisco (SFO) to Sydney (SYD) flights at AirHint

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

One-Way flights

02 Apr Alaska Airlines
09 Apr Alaska Airlines
01 Apr Alaska Airlines
03 Apr Hawaiian Airlines
05 Apr Hawaiian Airlines
06 Apr Alaska Airlines
10 Apr Alaska Airlines
15 Apr China Southern
08 Apr Hawaiian Airlines
16 Apr Alaska Airlines

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

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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