Yes, there can be a difference in price for renting a party bus on weekends versus weekdays. Most party bus companies have a higher demand for their services on weekends, especially for popular events like weddings, proms, and bachelor/bachelorette parties. As a result, they may charge a premium for weekend rentals or have a higher minimum rental time.

On the other hand, weekday rentals tend to be less in demand, so party bus companies may offer lower prices or more flexible rental options during these times.

Pricing and availability can also vary depending on the specific party bus company, location, and time of year. It's always a good idea to check with several party bus companies and compare prices and packages to find the best deal for your needs and budget.

Ultimately, the rental price should not be the only factor you consider when choosing a party bus company. You should also consider the quality and reputation of the company, the experience and professionalism of the drivers, and the overall value and experience you can expect from the rental.