Cool Cost Of Renting Bar Out For Wedding After Party 2023. Estimate the cost of an open bar at your wedding with our open bar cost estimator. Web while things like venue, types of drinks, and the number of guests affect the total cost of an open bar, the average cost is around $2,500, with around $500 for taxes.

That’s a good starting point, but staffing does depend on the level of service you’re asking for. Web the average number of guests is 170, making it $16.50 per guest. Web wedding venue cost estimator.