HomeAdvisor’s Plumber Cost Guide surveys homeowners to reveal the average price to hire a plumber to The average cost per hour for a plumber ranges from $ .Click here for quotes on different types of plumbing jobs. The cost of a plumber ranges from $ to $ for a typical job with the average cost per hour ranging from $ to $. This can include jobs like repairing faucets, toilets, sinks or bathtubs. Some plumbers may also charge a flat rate depending on the job. Continue Reading.The average cost to hire a plumber is $. The final project cost will depend on whether extensive repairs or specialty plumbing services are needed..Plumbers’ rates vary significantly by location. In some areas plumbers charge $ $ an hour in other regions the hourly rate can be $ $. Most plumbers charge a two hour minimum or a service call fee of $ $, and some plumbers bill a flat fee per job instead of an hourly rate..