AirHint found the following cheapest return flights from Chicago (MDW) to Mexico City (MEX) in November 2025 (see full year).

Return flights

15 Nov - 22 Nov	Frontier Airlines
01 Nov - 07 Nov	Frontier Airlines
08 Nov - 09 Nov	Frontier Airlines
19 Nov - 26 Nov	Aeromexico
25 Nov - 09 Dec	Aeromexico
26 Nov - 10 Dec	Aeromexico
29 Nov - 06 Dec	Aeromexico
20 Nov - 26 Nov	Aeromexico
23 Nov - 28 Nov	Frontier Airlines
08 Nov - 14 Nov	Frontier Airlines
11 Nov - 18 Nov	Aeromexico
06 Nov - 12 Nov	Frontier Airlines
11 Nov - 21 Nov	Aeromexico
27 Nov - 02 Dec	Aeromexico
25 Nov - 02 Dec	Aeromexico
26 Nov - 03 Dec	Frontier Airlines
25 Nov - 01 Dec	Aeromexico
26 Nov - 02 Dec	Aeromexico
19 Nov - 08 Dec	Aeromexico
28 Nov - 01 Dec	Aeromexico

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

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 November from $346

Return flights