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.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Tegucigalpa. Flights to Tegucigalpa from Philadelphia in October are about $824 on average during October, but can be found for as low as $519.
A simple way to save on the total cost of your ticket is to fly from Philadelphia to Tegucigalpa in the noon. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight in the morning.