AirHint found the following cheapest return flights from Newark (EWR) to Cancun (CUN) in September 2026 (see full year).
Return flights
| 15 Sep - 30 Sep | United | direct | |
| 20 Sep - 23 Sep | United | ||
| 08 Sep - 15 Sep | United | ||
| 08 Sep - 15 Sep | jetBlue | direct | |
| 20 Sep - 23 Sep | jetBlue | direct | |
| 18 Sep - 21 Sep | United |
Also check the deals for one-way flights from Newark to Cancun in September.
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