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

Return flights

13 Nov - 20 Nov	Delta
11 Nov - 14 Nov	Delta
15 Nov - 22 Nov	Frontier Airlines
22 Nov - 25 Nov	Frontier Airlines
22 Nov - 24 Nov	Frontier Airlines
19 Nov - 21 Nov	Aeromexico
13 Nov - 16 Nov	Delta
19 Nov - 27 Nov	Aeromexico
26 Nov - 30 Nov	Frontier Airlines
21 Nov - 25 Nov	Frontier Airlines
24 Nov - 01 Dec	Frontier Airlines
27 Nov - 02 Dec	Delta
23 Nov - 02 Dec	Delta
26 Nov - 01 Dec	Volaris
29 Nov - 06 Dec	Delta

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 366€

Return flights