In the past two weeks, Cheapflights users have found many deals under $15/day when booking a rental car in Limerick. The absolute best deal a user found was for $15/day from Payless, booked on Jul. 28.
Payless is a popular option for travelers looking for car rental in this area. You can expect the average cost of a rental car to be about $106 per week.
Typically, how long you can rent a car for depends on the inventory of the supplier. For Limerick however, it is certainly possible to rent a car for an entire month.