AirHint found the following cheapest one-way flights from Portland (PDX) to Barcelona (BCN) in May 2026 (see full year).
One-Way flights
| 10 May | Delta | ||
| 11 May | Air France | ||
| 07 May | Icelandair | ||
| 06 May | Alaska Airlines | ||
| 17 May | Air Canada | ||
| 08 May | Delta | ||
| 26 May | Icelandair |
Also check the deals for return flights from Portland to Barcelona in May.
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