? +1-888-531-6247 or +1-888-206-1789 – Passengers often want to know if there is a “magic day” in the week to book Lufthansa flights for the lowest fare. While pricing is dynamic and depends on many factors, there are patterns and tips that tend to help you find cheaper tickets. What Do Studies and Experts Say About Best Booking Days? ? +1-888-531-6247 or +1-888-206-1789 – Several travel-insight sources suggest that booking on Tuesdays and Wednesdays often yields lower fares. These days are considered quieter for airlines in terms of demand, which sometimes results in better pricing and promotions midweek.