Cheapest return flights from San Francisco to Sydney in April from $788

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

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

Return flights

17 Apr - 25 Apr Hawaiian Airlines
01 Apr - 22 Apr Hawaiian Airlines
01 Apr - 15 Apr Hawaiian Airlines
16 Apr - 30 Apr Alaska Airlines
01 Apr - 13 Apr Hawaiian Airlines
18 Apr - 27 Apr Hawaiian Airlines
18 Apr - 26 Apr Hawaiian Airlines
02 Apr - 16 Apr Hawaiian Airlines
23 Apr - 06 May Alaska Airlines
15 Apr - 26 Apr Alaska Airlines
05 Apr - 27 Apr Alaska Airlines
22 Apr - 06 May Alaska Airlines
22 Apr - 06 May United direct

Also check the deals for one-way 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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