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

Return flights

12 May - 27 May	Fiji Airways
08 May - 30 May	Air Canada
29 May - 19 Jun	Air Canada
04 May - 11 May	ANA
11 May - 18 May	ANA
12 May - 19 May	ANA
18 May - 25 May	ANA
19 May - 26 May	ANA
10 May - 17 May	ANA
17 May - 24 May	ANA
26 May - 02 Jun	ANA
29 May - 14 Jun	Air Canada
01 May - 08 May	Qantas	direct
26 May - 02 Jun	Qantas	direct
29 May - 05 Jun	Qantas	direct
31 May - 07 Jun	Qantas	direct
29 May - 14 Jun	Qantas	direct
25 May - 01 Jun	ANA
27 May - 03 Jun	Delta
28 May - 04 Jun	Delta

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

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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Cheapest return flights from San Francisco to Sydney in May from 745€

Return flights