Pay As Little As $15 Per Fill The Oralair co-pay assistance program can bring the cost of eligible patients’ co-pays down to $15 per Oralair prescription, for a maximum monthly benefit of $100. You Might Also Like Opana ER Manufacturer Coupon May 21, 2018 Pay As Little As $0 December 15, 2021 Free Prescription, $75 Off Refills May 21, 2018