AirHint found the following cheapest return flights from Portland (PDX) to Manila (MNL) in December 2025 (see full year).
Return flights
| 02 Dec - 18 Dec | Alaska Airlines | ||
| 09 Dec - 27 Dec | Hawaiian Airlines | ||
| 29 Dec - 09 Jan | Korean Air | ||
| 10 Dec - 27 Dec | Alaska Airlines | ||
| 13 Dec - 20 Dec | Hawaiian Airlines |
Also check the deals for one-way flights from Portland to Manila in December.
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