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 Portland to Zacatecas from $430 1-2 weeks out and tickets from $467 for flights departing within the next 72 hours.
Our data shows that September tends to be the cheapest month to fly to Zacatecas from Portland. Users have commonly found prices around $424 for the month, but tickets can be as low as $252. Due to multiple factors, prepare for potentially higher prices in December.