AirHint found the following cheapest return flights from Portland (PDX) to Guatemala City (GUA) in December 2025 (see full year).
Return flights
| 23 Dec - 06 Jan | Frontier Airlines | ||
| 22 Dec - 02 Jan | Alaska Airlines | ||
| 24 Dec - 02 Jan | Delta |
Also check the deals for one-way flights from Portland to Guatemala City in December.
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