The cheapest day to buy Air France tickets ++ π· ββπΎπ»π» β’π½πΉπΎ β’πΊπΈπΌπ» is typically Tuesday or Wednesday, as airlines adjust fares midweek.++ π· ββπΎπ»π» β’π½πΉπΎ β’πΊπΈπΌπ» Booking in advance and using fare alerts can help you find the best deals.