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

Return flights

08 May - 17 May	Fiji Airways
08 May - 13 May	Fiji Airways
06 May - 10 May	Fiji Airways
20 May - 29 May	Fiji Airways
27 May - 10 Jun	Fiji Airways
29 May - 12 Jun	Fiji Airways
15 May - 12 Jun	Fiji Airways
13 May - 26 May	United	direct
12 May - 26 May	United	direct
04 May - 11 May	United	direct
14 May - 24 May	United	direct
05 May - 19 May	United	direct
07 May - 13 May	United	direct
21 May - 03 Jun	United
18 May - 08 Jun	United	direct
26 May - 09 Jun	United	direct
27 May - 17 Jun	Delta
15 May - 12 Jun	United	direct
21 May - 03 Jun	Virgin Australia	direct
27 May - 10 Jun	Virgin Australia	direct

Also check the deals for one-way flights from Melbourne to San Francisco 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 Melbourne to San Francisco in May from 603€

Return flights