The cheapest day to book a flight on 𝐹𝓇𝑜𝓃𝓉𝒾𝑒𝓇 𝐀irlines Lines is usually Tuesday【[🤳＋１ｘ８８８ｘ５０7ｘ５０３０], as 𝐀irlines release discounted fares on Monday nights, leading to competitive price adjustments by Tuesday morning 【[🤳＋１ｘ８８８ｘ５０7ｘ５０３０].