Cheapest one-way flights from New York to Sydney in September from 393€

AirHint found the following cheapest one-way flights from New York (LGA) to Sydney (SYD) in September 2025 (see full year).

One-Way flights

02 Sep Porter Airlines (Canada) Ltd
03 Sep Spirit Airlines
20 Sep Frontier Airlines
22 Sep Porter Airlines (Canada) Ltd
08 Sep Porter Airlines (Canada) Ltd
23 Sep United
28 Sep United
15 Sep United
16 Sep United
14 Sep ANA

Also check the deals for return flights from New York to Sydney in September.

Skyscanner

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

Feel free to contact us with any feedback or request another flight research.