AirHint found the following cheapest one-way flights from Mexico City (MEX) to Chicago (ORD) in May 2026 (see full year).
One-Way flights
| 31 May | Viva | ||
| 12 May | Viva | ||
| 10 May | Viva | ||
| 07 May | Viva | ||
| 30 May | Viva | ||
| 14 May | Viva | ||
| 21 May | Viva | ||
| 19 May | Viva | ||
| 11 May | Viva | direct | |
| 10 May | Viva | direct |
Also check the deals for return flights from Mexico City to Chicago in May.
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