Cheapest return NYC–SYD flights, May

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

Return flights

13 May - 27 May Spirit Airlines
12 May - 28 May Frontier Airlines
06 May - 09 May Frontier Airlines
01 May - 08 May Frontier Airlines
03 May - 07 May Frontier Airlines
06 May - 03 Jun Frontier Airlines
29 May - 11 Jun Frontier Airlines
05 May - 12 May United
06 May - 20 May Delta
13 May - 24 May Delta
18 May - 25 May United
01 May - 06 May Frontier Airlines
10 May - 07 Jun United
16 May - 07 Jun United
27 May - 25 Jun Alaska Airlines
27 May - 27 Jun Delta

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

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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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