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

Return flights

19 Jan - 02 Feb	Cathay Pacific
19 Jan - 01 Feb	Cathay Pacific
11 Jan - 18 Jan	Fiji Airways
10 Jan - 26 Jan	Frontier Airlines
19 Jan - 01 Feb	United	direct
06 Jan - 09 Jan	Hawaiian Airlines
06 Jan - 11 Jan	Qantas
03 Jan - 10 Jan	Fiji Airways
15 Jan - 01 Feb	United	direct
16 Jan - 01 Feb	United	direct
11 Jan - 18 Jan	United	direct
04 Jan - 18 Feb	United	direct
04 Jan - 19 Feb	United	direct
04 Jan - 26 Feb	United
01 Jan - 29 Jan	United

Also check the deals for one-way flights from San Francisco to Melbourne in January.

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 Melbourne in January from $934

Return flights