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

Return flights

26 Jan - 02 Feb	United
24 Jan - 31 Jan	Hawaiian Airlines
19 Jan - 25 Jan	Air Canada
16 Jan - 19 Jan	Air Canada
23 Jan - 07 Feb	Air Canada
10 Jan - 30 Jan	Spirit Airlines
28 Jan - 07 Feb	Spirit Airlines
30 Jan - 15 Feb	United
13 Jan - 27 Jan	Spirit Airlines
27 Jan - 29 Jan	Spirit Airlines
11 Jan - 24 Jan	jetBlue
13 Jan - 20 Jan	Spirit Airlines
14 Jan - 20 Jan	Spirit Airlines
11 Jan - 18 Jan	Spirit Airlines
12 Jan - 02 Feb	Alaska Airlines

Also check the deals for one-way flights from Newark 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 Newark to Sydney in January from 899€

Return flights