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

Return flights

08 Mar - 11 Mar	Viva
08 Mar - 16 Mar	Viva
08 Mar - 25 Mar	Viva
08 Mar - 17 Mar	Viva
08 Mar - 12 Mar	Viva
08 Mar - 24 Mar	Viva
08 Mar - 23 Mar	Viva
08 Mar - 18 Mar	Viva
08 Mar - 15 Mar	Viva
19 Mar - 25 Mar	Viva
19 Mar - 07 Apr	Viva
21 Mar - 07 Apr	Viva
23 Mar - 07 Apr	Viva
20 Mar - 07 Apr	Viva
22 Mar - 07 Apr	Viva
18 Mar - 07 Apr	Viva
17 Mar - 07 Apr	Viva
24 Mar - 14 Apr	Viva
24 Mar - 07 Apr	Viva
24 Mar - 14 Apr	Viva	direct

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

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 Mexico City to Chicago in March from $234

Return flights