AirHint found the following cheapest one-way flights from Newark (EWR) to Porto (OPO) in May 2026 (see full year).
One-Way flights
| 11 May | SWISS | ||
| 26 May | Icelandair | ||
| 31 May | FrenchBee | ||
| 29 May | FrenchBee | ||
| 12 May | Lufthansa | ||
| 27 May | FrenchBee | ||
| 10 May | FrenchBee | ||
| 25 May | FrenchBee | ||
| 07 May | Lufthansa | ||
| 06 May | Lufthansa |
Also check the deals for return flights from Newark to Porto in May.
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