Cheapest return NYC–SYD flights, August

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

Return flights

05 Aug - 29 Aug Spirit Airlines
24 Aug - 03 Sep Frontier Airlines
22 Aug - 01 Sep Spirit Airlines
26 Aug - 03 Sep Spirit Airlines
21 Aug - 31 Aug Frontier Airlines
24 Aug - 06 Sep Frontier Airlines
26 Aug - 09 Sep Spirit Airlines
14 Aug - 21 Aug Frontier Airlines
11 Aug - 20 Aug Frontier Airlines
21 Aug - 01 Sep Alaska Airlines
11 Aug - 24 Aug Delta
25 Aug - 08 Sep Qantas
29 Aug - 18 Sep jetBlue

Also check the deals for one-way flights from New York to Sydney in August.

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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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