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

Return flights

29 Mar - 14 Apr	Viva
06 Mar - 10 Mar	Viva
06 Mar - 23 Mar	Viva
05 Mar - 10 Mar	Viva
10 Mar - 23 Mar	Viva
05 Mar - 23 Mar	Viva
29 Mar - 06 Apr	Viva	direct
29 Mar - 01 Apr	Viva	direct
01 Mar - 05 Mar	Viva
01 Mar - 10 Mar	Viva
29 Mar - 31 Mar	Viva
10 Mar - 30 Mar	Viva
24 Mar - 14 Apr	Viva
25 Mar - 14 Apr	Viva
21 Mar - 30 Mar	Viva
21 Mar - 06 Apr	Viva
21 Mar - 01 Apr	Viva
29 Mar - 09 Apr	Viva	direct
29 Mar - 07 Apr	Viva	direct
29 Mar - 19 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 $200

Return flights