Cheapest return flights from Chicago to Monterrey in December from 465€

AirHint found the following cheapest return flights from Chicago (MDW) to Monterrey (MTY) in December 2025 (see full year).

Return flights

24 Dec - 04 Jan Frontier Airlines
29 Dec - 05 Jan Frontier Airlines
24 Dec - 01 Jan Frontier Airlines
18 Dec - 09 Jan Delta
18 Dec - 10 Jan Delta
18 Dec - 11 Jan Delta
12 Dec - 04 Jan Delta
22 Dec - 04 Jan Delta
23 Dec - 04 Jan Delta
21 Dec - 04 Jan Delta

Also check the deals for one-way flights from Chicago to Monterrey in December.

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