Cheapest return flights from New York to Sydney in December from $1322

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

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

Return flights

06 Dec - 11 Dec Air Canada
02 Dec - 29 Dec American Airlines
02 Dec - 15 Dec United
03 Dec - 28 Dec United
30 Dec - 13 Jan United
25 Dec - 15 Jan Fiji Airways
27 Dec - 15 Jan Fiji Airways
02 Dec - 30 Dec Delta
04 Dec - 20 Dec Qantas
12 Dec - 19 Dec United
03 Dec - 30 Dec Air Canada
23 Dec - 01 Jan Fiji Airways
15 Dec - 15 Jan United
12 Dec - 04 Jan United
20 Dec - 10 Jan Fiji Airways
19 Dec - 06 Jan Air Canada
12 Dec - 03 Jan United
18 Dec - 31 Dec ANA
19 Dec - 11 Jan ANA

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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