AirHint found the following cheapest one-way flights from Newark (EWR) to Madrid (MAD) in September 2026 (see full year).
One-Way flights
| 20 Sep | SWISS | ||
| 27 Sep | SWISS | ||
| 15 Sep | TAP | ||
| 05 Sep | TAP | ||
| 14 Sep | FrenchBee | ||
| 27 Sep | British Airways | direct | |
| 19 Sep | Air Canada | ||
| 12 Sep | TAP | ||
| 19 Sep | British Airways | direct | |
| 17 Sep | Iberia | direct |
Also check the deals for return flights from Newark to Madrid in September.
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