Cheapest return flights from Chicago to Mexico City in October from $244

AirHint found the following cheapest return flights from Chicago (ORD) to Mexico City (MEX) in October 2026 (see full year).

Return flights

09 Oct - 27 Oct Viva
10 Oct - 27 Oct Viva
09 Oct - 14 Oct Viva
09 Oct - 15 Oct Viva
10 Oct - 14 Oct Viva
10 Oct - 15 Oct Viva
05 Oct - 14 Oct Viva
05 Oct - 15 Oct Viva
03 Oct - 14 Oct Viva
03 Oct - 15 Oct Viva
29 Oct - 02 Nov Viva
29 Oct - 01 Nov Viva
29 Oct - 02 Nov Viva direct
29 Oct - 20 Nov Aeromexico
29 Oct - 01 Nov Viva direct
29 Oct - 20 Nov Delta direct

Also check the deals for one-way flights from Chicago to Mexico City in October.

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