Cheapest return flights from San Francisco to Sydney in May from $747

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

Return flights

17 May - 31 May Fiji Airways
20 May - 07 Jun Fiji Airways
01 May - 27 May Fiji Airways
17 May - 24 May Fiji Airways
22 May - 07 Jun Fiji Airways
19 May - 27 May Frontier Airlines
29 May - 03 Jun Fiji Airways
19 May - 29 May Frontier Airlines
18 May - 28 May Frontier Airlines
09 May - 09 Jun Frontier Airlines
28 May - 01 Jun Alaska Airlines
29 May - 05 Jun Fiji Airways
05 May - 13 Jun Frontier Airlines
17 May - 31 May Qantas direct
19 May - 29 May Qantas direct
19 May - 27 May United direct
18 May - 28 May United direct
05 May - 13 Jun United direct
09 May - 09 Jun United direct
29 May - 05 Jun United direct

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

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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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