As of 2015, the typical rental price of a basic portable toilet that doesn't flush is $100 to $175 per weekend. A toilet that complies with ADA guidelines typically costs $150 to $250 per weekend, while a flushing portable toilet costs $150 to $375.
For high-end events, such as weddings and ceremonies, a deluxe trailer of portable toilets can cost anywhere from $1,000 to $4,500 for a weekend as of 2015. If the renter wants to have a station where guests can wash their hands, a single unit typically costs $200 per weekend. Many portable toilet companies also charge a deposit fee that the renter gets back once the toilets are returned in good condition.