Cheapest one-way flights from New York to Sydney in August from 433€

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

One-Way flights

30 Aug Frontier Airlines
28 Aug Porter Airlines (Canada) Ltd
25 Aug Spirit Airlines
11 Aug Korean Air
20 Aug Korean Air
15 Aug Frontier Airlines
12 Aug Spirit Airlines
23 Aug Air Canada
02 Aug Frontier Airlines
01 Aug Frontier Airlines

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

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.

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