AirHint found the following cheapest return flights from Portland (PDX) to Dublin (DUB) in November 2025 (see full year).
Return flights
| 18 Nov - 26 Nov | Lufthansa | ||
| 30 Nov - 07 Dec | British Airways | ||
| 30 Nov - 08 Dec | British Airways | ||
| 21 Nov - 13 Dec | United |
Also check the deals for one-way flights from Portland to Dublin in November.
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