AirHint found the following cheapest return flights from Oakland (OAK) to Sydney (SYD) in January 2026 (see full year).

Return flights

18 Jan - 31 Jan	Hawaiian Airlines
17 Jan - 31 Jan	Hawaiian Airlines
16 Jan - 01 Feb	Hawaiian Airlines
30 Jan - 08 Feb	Hawaiian Airlines
13 Jan - 30 Jan	Alaska Airlines
13 Jan - 20 Jan	Alaska Airlines
20 Jan - 27 Jan	Hawaiian Airlines
20 Jan - 28 Jan	Hawaiian Airlines
16 Jan - 23 Jan	Alaska Airlines
18 Jan - 03 Feb	Alaska Airlines
15 Jan - 26 Jan	Hawaiian Airlines
15 Jan - 01 Feb	Hawaiian Airlines
11 Jan - 22 Jan	Alaska Airlines
24 Jan - 13 Feb	Alaska Airlines
02 Jan - 02 Feb	Qatar Airways
18 Jan - 04 Feb	Qatar Airways
04 Jan - 18 Jan	Korean Air
08 Jan - 24 Feb	Korean Air

Also check the deals for one-way flights from Oakland to Sydney 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 Oakland to Sydney in January from $890

Return flights