AirHint found the following cheapest return flights from Portland (PDX) to Amsterdam (AMS) in October 2025 (see full year).
Return flights
| 29 Oct - 22 Nov | Condor | ||
| 22 Oct - 05 Nov | Icelandair | ||
| 23 Oct - 30 Oct | Allegiant Air | ||
| 22 Oct - 05 Nov | Delta | direct | |
| 25 Oct - 02 Nov | Delta | ||
| 24 Oct - 31 Oct | Hawaiian Airlines | ||
| 24 Oct - 31 Oct | Delta | direct |
Also check the deals for one-way flights from Portland to Amsterdam in October.
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