It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
Flights from Reno to Merida lean towards being more expensive in December. Prices are generally better when you fly from Reno to Merida in October, with the cheapest ticket starting at $216.
A simple way to save on the total cost of your ticket is to fly from Reno to Merida in the noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.