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

Return flights

21 Jan - 28 Jan	Delta
19 Jan - 08 Feb	Delta
30 Jan - 15 Feb	Delta
01 Jan - 01 Feb	Delta
16 Jan - 26 Jan	Delta
15 Jan - 31 Jan	Delta
15 Jan - 30 Jan	Delta
15 Jan - 22 Jan	Delta
03 Jan - 23 Jan	Frontier Airlines
04 Jan - 14 Jan	Air India
04 Jan - 13 Jan	Air India
01 Jan - 10 Jan	Qatar Airways
13 Jan - 24 Jan	Delta
09 Jan - 02 Feb	Fiji Airways

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from New York to Sydney in January from 729€

Return flights