AirHint found the following cheapest one-way flights from Porto (OPO) to Newark (EWR) in May 2026 (see full year).
One-Way flights
| 06 May | Iberia | ||
| 30 May | American Airlines | ||
| 03 May | American Airlines | ||
| 09 May | American Airlines | ||
| 02 May | Iberia | ||
| 04 May | Iberia | ||
| 05 May | Iberia | ||
| 07 May | Iberia | ||
| 08 May | Iberia | ||
| 10 May | Iberia |
Also check the deals for return flights from Porto to Newark in May.
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