Cheapest one-way flights from New York to Sydney in December from $808

Best time to book flights for New York (NYC) to Sydney (SYD) flights at AirHint

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

One-Way flights

08 Dec Air Canada
29 Dec United
30 Dec United
28 Dec United
24 Dec Delta
22 Dec Air Canada
23 Dec Air Canada
20 Dec TAP
04 Dec Delta
26 Dec Korean Air

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

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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