To save up to 15% on this flight, we recommend booking at least 59 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Michigan to Zacatecas from $430 1-2 weeks out and tickets from $467 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Zacatecas. Flights to Zacatecas from Michigan in September are about $424 on average during September, but can be found for as low as $252.