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

Return flights

20 Feb - 23 Feb	Frontier Airlines
19 Feb - 23 Feb	Frontier Airlines
09 Feb - 12 Feb	Aeromexico
05 Feb - 10 Feb	Frontier Airlines
19 Feb - 25 Feb	Aeromexico
27 Feb - 09 Mar	Volaris
21 Feb - 24 Feb	Aeromexico
04 Feb - 08 Feb	Aeromexico
07 Feb - 26 Feb	Aeromexico
18 Feb - 22 Feb	Aeromexico
15 Feb - 22 Feb	Aeromexico
13 Feb - 03 Mar	Aeromexico
21 Feb - 01 Mar	Aeromexico
26 Feb - 01 Mar	Frontier Airlines
16 Feb - 18 Mar	Volaris
26 Feb - 02 Mar	Volaris
12 Feb - 02 Mar	Volaris
27 Feb - 01 Mar	Volaris

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

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 February from $333

Return flights