To save up to 7% on this flight, we recommend booking at least 60 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Provincetown to Cancun from $408 1-2 weeks out and tickets from $439 for flights departing within the next 72 hours.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Cancun. Flights to Cancun from Provincetown in August are about $403 on average during August, but can be found for as low as $177.