Cheapest return flights from San Francisco to Sydney in April from $756

AirHint found the following cheapest return flights from San Francisco (SFO) to Sydney (SYD) in April 2026 (see full year).

Return flights

03 Apr - 19 Apr Fiji Airways
19 Apr - 26 Apr United
10 Apr - 28 Apr United direct
11 Apr - 19 Apr United direct
24 Apr - 03 May United direct
12 Apr - 19 Apr Delta
13 Apr - 20 Apr Delta
01 Apr - 30 Apr Delta
09 Apr - 16 Apr Delta
17 Apr - 24 Apr Delta
10 Apr - 17 Apr Delta

Also check the deals for one-way flights from San Francisco to Sydney in April.

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