Cheapest return flights from New York to Sydney in December from $1675

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

Return flights

25 Dec - 09 Jan Delta
10 Dec - 02 Jan Air Canada
28 Dec - 31 Jan Air Canada
20 Dec - 27 Dec American Airlines
16 Dec - 01 Jan Qantas
17 Dec - 10 Jan ANA
21 Dec - 28 Jan Air Canada
18 Dec - 10 Jan Air Canada
23 Dec - 02 Jan United
17 Dec - 03 Jan ANA
16 Dec - 03 Jan Air New Zealand

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

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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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