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

Return flights

21 Jan - 28 Jan	Delta
24 Jan - 31 Jan	Delta
21 Jan - 17 Feb	Delta
15 Jan - 30 Jan	Delta
15 Jan - 06 Feb	Delta
31 Jan - 08 Feb	Qantas
01 Jan - 12 Jan	Delta
12 Jan - 26 Jan	Frontier Airlines
01 Jan - 08 Jan	Delta
12 Jan - 09 Feb	United
01 Jan - 10 Jan	Delta
03 Jan - 23 Jan	United
08 Jan - 14 Jan	Qantas
13 Jan - 24 Jan	Delta

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 732€

Return flights