AirHint found the following cheapest return flights from Newark (EWR) to Warsaw (WMI) in September 2026 (see full year).
Return flights
| 15 Sep - 29 Sep | TAP | ||
| 08 Sep - 17 Sep | TAP | ||
| 17 Sep - 27 Sep | Icelandair | ||
| 01 Sep - 15 Sep | SWISS | ||
| 08 Sep - 22 Sep | TAP | ||
| 21 Sep - 28 Sep | SWISS | ||
| 08 Sep - 15 Sep | TAP | ||
| 14 Sep - 20 Sep | Iberia |
Also check the deals for one-way flights from Newark to Warsaw in September.
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