Cheapest return flights from San Francisco to Sydney in May from $834

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

01 May - 29 May Fiji Airways
18 May - 28 May Hawaiian Airlines
13 May - 21 May Alaska Airlines
05 May - 10 May Alaska Airlines
18 May - 28 May United direct
13 May - 21 May United direct
29 May - 05 Jun United direct
01 May - 29 May Qantas 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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