AirHint found the following cheapest return flights from Newark (EWR) to Mexico City (MEX) in September 2026 (see full year).
Return flights
| 07 Sep - 13 Sep | Delta | direct | |
| 18 Sep - 25 Sep | Air Canada | ||
| 01 Sep - 01 Oct | Air Canada |
Also check the deals for one-way flights from Newark to Mexico City in September.
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