AirHint found the following cheapest return flights from Aguascalientes (AGU) to Chicago (MDW) in December 2025 (see full year).
Return flights
| 10 Dec - 17 Dec | Volaris | ||
| 10 Dec - 17 Dec | Frontier Airlines | direct | |
| 27 Dec - 03 Jan | Frontier Airlines | direct | |
| 28 Dec - 04 Jan | Volaris |
Also check the deals for one-way flights from Aguascalientes to Chicago in December.
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