In general the majority of buses operate between just before sunrise until sunset. Times are listed when we have them, but remember, you are in El Salvador and even the locals say the schedules are 'loco' sometimes. Always plan enough time in your day for travel and plan to be at your destination before the sun sets. Avoid arriving when it's getting dark. Short distance buses will cost between $0.25 and $1.50 and longer distance buses $1.50-$3.00. Some routes offer more than one class of travel: regular class and especial which often has a/c and makes fewer stops but cost a little more. Also, know that you and only you are responsible for your own health and safety in your travels and the choices you make. Travel safe and travel smart - and have fun!