AirHint found the following cheapest return flights from Portland (PDX) to Belize City (BZE) in December 2025 (see full year).
Return flights
| 01 Dec - 09 Dec | American Airlines | ||
| 19 Dec - 28 Dec | United | ||
| 26 Dec - 28 Dec | Alaska Airlines | ||
| 28 Dec - 04 Jan | Alaska Airlines | ||
| 23 Dec - 03 Jan | United | ||
| 26 Dec - 04 Jan | Hawaiian Airlines |
Also check the deals for one-way flights from Portland to Belize City in December.
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