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

Return flights

19 Jan - 28 Jan	Delta
30 Jan - 15 Feb	jetBlue
30 Jan - 10 Feb	Delta
29 Jan - 07 Feb	Delta
31 Jan - 14 Feb	Delta
22 Jan - 29 Jan	Delta
28 Jan - 07 Feb	American Airlines
19 Jan - 25 Jan	Delta
13 Jan - 23 Jan	jetBlue
10 Jan - 17 Jan	Alaska Airlines
13 Jan - 24 Jan	Air Canada
13 Jan - 17 Jan	Air Canada
01 Jan - 11 Jan	jetBlue
11 Jan - 17 Jan	jetBlue
23 Jan - 30 Jan	Qantas
07 Jan - 16 Feb	Hawaiian Airlines

Also check the deals for one-way flights from New York 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 New York to Sydney in January from $1011

Return flights