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

Return flights

24 Jan - 31 Jan	Delta
29 Jan - 10 Feb	Delta
26 Jan - 13 Feb	Delta
30 Jan - 15 Feb	Delta
23 Jan - 07 Feb	Qantas
17 Jan - 24 Jan	Qantas
21 Jan - 28 Jan	Qantas
28 Jan - 07 Feb	Delta
10 Jan - 30 Jan	Frontier Airlines
01 Jan - 18 Jan	Air Canada
21 Jan - 31 Jan	Delta
19 Jan - 25 Jan	Frontier Airlines
12 Jan - 27 Jan	Frontier Airlines
16 Jan - 20 Jan	Air Canada
13 Jan - 20 Jan	Frontier 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 899€

Return flights