Cheapest return flights from Newark to Sydney in December from $1367

Best time to book flights for Newark (EWR) to Sydney (SYD) flights at AirHint

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

Return flights

02 Dec - 15 Dec Alaska Airlines
01 Dec - 15 Dec United
24 Dec - 06 Jan Alaska Airlines
14 Dec - 18 Dec Alaska Airlines
26 Dec - 31 Dec Alaska Airlines
26 Dec - 11 Jan Alaska Airlines
23 Dec - 13 Jan Alaska Airlines
25 Dec - 10 Jan Alaska Airlines
10 Dec - 07 Jan American Airlines
03 Dec - 04 Jan Air Canada
12 Dec - 10 Jan United
16 Dec - 06 Jan Air Tahiti Nui
14 Dec - 09 Jan United
17 Dec - 31 Dec United
15 Dec - 31 Dec Alaska Airlines
20 Dec - 10 Jan Air Canada
02 Dec - 11 Dec British Airways

Also check the deals for one-way flights from Newark 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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