Cheapest return flights from New York to Sydney in December from 970€

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

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

Return flights

05 Dec - 14 Dec United
06 Dec - 15 Dec Delta
10 Dec - 21 Dec United
05 Dec - 20 Dec Air Canada
11 Dec - 02 Jan Air Canada
27 Dec - 10 Jan Fiji Airways
20 Dec - 28 Dec Air Canada
10 Dec - 01 Jan United
12 Dec - 07 Jan Air Canada
21 Dec - 02 Jan Air Canada
20 Dec - 10 Jan Air Canada
20 Dec - 03 Jan Air Canada
27 Dec - 16 Jan Air Canada
18 Dec - 03 Jan Air Canada
19 Dec - 02 Jan Air Canada

Also check the deals for one-way 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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