To save up to 80% on this flight, we recommend booking at least 42 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cusco to Piura from $161 1-2 weeks out and tickets from $236 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, April can be a great choice for travel to Piura. Flights to Piura from Cusco in April are about $158 on average during April, but can be found for as low as $54.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cusco to Piura as you normally would.