Continue Reading. The cost of a plumber ranges from $160 to $430 for a typical job with the average cost per hour ranging from $45 to $150. This can include jobs like repairing faucets, toilets, sinks or bathtubs.Some plumbers may also charge a flat rate depending on the job.actors that affect cost include the quality of and number of fixtures, the time it takes for the job and when the job is needed. Holidays, weekends and after-hours emergencies, of course, will cost more.