AirHint found the following cheapest one-way flights from Newark (EWR) to Porto (OPO) in September 2026 (see full year).
One-Way flights
| 07 Sep | FrenchBee | ||
| 08 Sep | FrenchBee | ||
| 12 Sep | FrenchBee | ||
| 11 Sep | FrenchBee | ||
| 11 Sep | TAP | direct | |
| 12 Sep | TAP | direct | |
| 07 Sep | TAP | direct | |
| 08 Sep | TAP | direct |
Also check the deals for return flights from Newark to Porto in September.
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