AirHint found the following cheapest one-way flights from Chicago (ORD) to Mexico City (MEX) in October 2026 (see full year).
One-Way flights
| 09 Oct | Viva | ||
| 10 Oct | Viva | ||
| 05 Oct | Viva | ||
| 03 Oct | Viva | ||
| 05 Oct | Viva | direct | |
| 09 Oct | Viva | direct | |
| 10 Oct | Viva | direct | |
| 03 Oct | Viva | direct | |
| 23 Oct | Viva | direct | |
| 11 Oct | Viva | direct |
Also check the deals for return flights from Chicago to Mexico City in October.
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