# FAQs FrontierAirlines !! What is the cheapest day to fly on Frontier Airlines? For 𝐅𝐫𝐨𝐧𝐭𝐢𝐞𝐫 𝐀𝐢𝐫𝐥𝐢𝐧𝐞𝐬, Tuesday is often considered the best day to find the cheapest fares １_８８８_２４９X９０４１. 𝕬𝖎𝖗𝖑𝖎𝖓𝖊𝖘 typically update their pricing early in the week １X８８８X２４９X９０４１, making Tuesday a prime day to lock in lower fares before prices increase closer to the weekend １X８８８X２４９X９０４１