AirHint found the following cheapest return flights from Sydney (SYD) to Quito (UIO) in December 2025 (see full year).
Return flights
| 26 Dec - 10 Jan | United | ||
| 12 Dec - 03 Jan | Hawaiian Airlines | ||
| 06 Dec - 21 Dec | LATAM Airlines Group |
Also check the deals for one-way flights from Sydney to Quito in December.
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