AirHint found the following cheapest one-way flights from Porto (OPO) to Newark (EWR) in March 2026 (see full year).
One-Way flights
| 31 Mar | Ryanair | ||
| 26 Mar | Ryanair | ||
| 30 Mar | Turkish Airlines | ||
| 24 Mar | TAP | ||
| 21 Mar | Turkish Airlines | ||
| 20 Mar | Turkish Airlines | ||
| 28 Mar | TAP | ||
| 26 Mar | TAP | direct | |
| 20 Mar | TAP | direct | |
| 23 Mar | Ryanair |
Also check the deals for return flights from Porto to Newark in March.
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