The price rating is based on the medium wholesale price for Singulair (Montelukast) . The medium wholesale price is the recommended selling price. Insurance companies often use this price as the basis for Singulair (Montelukast) reimbursement. This cost does not indicate what you would pay for Singulair (Montelukast) if covered by your prescription benefit plan. Dollar signs are used to reflect the following price ranges: $ = < $25, $$ = $25 to $49, $$$ = $50 to $99, $$$$ = $100 to $199, and $$$$$ = > $200.