Cheapest return flights from New York to Sydney in December from $1257

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

02 Dec - 11 Dec Air Canada
02 Dec - 15 Dec Alaska Airlines
02 Dec - 29 Dec American Airlines
03 Dec - 30 Dec American Airlines
02 Dec - 30 Dec American Airlines
30 Dec - 20 Jan Air Canada
03 Dec - 28 Dec Delta
12 Dec - 19 Dec jetBlue
24 Dec - 06 Jan jetBlue
04 Dec - 20 Dec Air Canada
30 Dec - 13 Jan United
27 Dec - 15 Jan Turkish Airlines
11 Dec - 28 Dec United
10 Dec - 25 Dec United
25 Dec - 15 Jan Air Canada
23 Dec - 01 Jan Alaska Airlines
21 Dec - 11 Jan Alaska Airlines
31 Dec - 10 Jan Delta
15 Dec - 15 Jan Singapore Airlines
26 Dec - 10 Jan Qantas

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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