AirHint found the following cheapest one-way flights from Newark (EWR) to Sydney (SYD) in December 2025 (see full year).
One-Way flights
| 31 Dec | Spirit Airlines | ||
| 29 Dec | Spirit Airlines | ||
| 24 Dec | Spirit Airlines | ||
| 28 Dec | Sun Country Airlines | ||
| 26 Dec | Spirit Airlines | ||
| 25 Dec | United | ||
| 27 Dec | United | ||
| 22 Dec | Spirit Airlines | ||
| 16 Dec | Lufthansa | ||
| 17 Dec | TAP |
Also check the deals for return 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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