The average cost of dry ice is $1-$3 per pound.
The cost of dry ice does fluctuate a bit. The cost of dry ice changes based on where you purchase it and how much dry ice you buy. Different stores will charge different amounts. If you buy a lot of dry ice (most likely from a manufacture) they will probably give you a discount on the cost of the dry ice. When most people buy dry ice, they purchase about 10-15 pounds… most likely for a cost of less than $30.