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

Return flights

20 Jan - 01 Feb	United
21 Jan - 28 Jan	Delta
18 Jan - 01 Feb	Delta
30 Jan - 15 Feb	United
22 Jan - 02 Feb	United
30 Jan - 10 Feb	United
31 Jan - 05 Feb	Air Canada
24 Jan - 14 Feb	Qantas
16 Jan - 06 Feb	Qantas
11 Jan - 25 Jan	Spirit Airlines
23 Jan - 30 Jan	United
01 Jan - 12 Jan	Spirit Airlines
01 Jan - 15 Jan	Spirit Airlines
01 Jan - 16 Jan	Spirit Airlines
10 Jan - 24 Jan	Frontier Airlines
15 Jan - 27 Feb	Qantas
03 Jan - 23 Jan	Spirit Airlines
07 Jan - 18 Jan	Qantas
01 Jan - 10 Jan	Spirit 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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Cheapest return flights from New York to Sydney in January from $992

Return flights