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

Return flights

20 Jan - 09 Feb	Viva
20 Jan - 31 Jan	Viva
27 Jan - 09 Feb	Viva
31 Jan - 09 Feb	Viva
27 Jan - 31 Jan	Viva
19 Jan - 31 Jan	Viva
20 Jan - 26 Jan	Viva
20 Jan - 06 Feb	Viva
13 Jan - 31 Jan	Viva
31 Jan - 31 Jan	Viva
19 Jan - 26 Jan	Viva
31 Jan - 06 Feb	Viva
31 Jan - 13 Feb	Viva
31 Jan - 20 Feb	Viva
27 Jan - 06 Feb	Viva
27 Jan - 13 Feb	Viva
19 Jan - 06 Feb	Viva
12 Jan - 31 Jan	Viva
13 Jan - 26 Jan	Viva
12 Jan - 26 Jan	Viva

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Chicago to Mexico City in January from 153€

Return flights