Cheapest return flights from San Francisco to Sydney in May from $954

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 May 2025 (see full year).

Return flights

18 May - 31 May Fiji Airways
08 May - 15 May Fiji Airways
13 May - 20 May Fiji Airways
29 May - 07 Jun Fiji Airways
29 May - 08 Jun Hawaiian Airlines
17 May - 20 May Hawaiian Airlines
10 May - 21 May China Eastern
26 May - 06 Jun Alaska Airlines
11 May - 19 May Cathay Pacific
19 May - 23 May Hawaiian Airlines
17 May - 26 May Alaska Airlines
23 May - 27 May Cathay Pacific
17 May - 04 Jun Cathay Pacific
28 May - 26 Jun Alaska Airlines
09 May - 28 May Cathay Pacific
17 May - 04 Jun United direct
28 May - 26 Jun United direct
29 May - 08 Jun United direct
29 May - 07 Jun United direct

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

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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