Https://thetaxtalk.com/questions-2/question/which-days-are-cheapest-to-fly-lufthansa/https://thetaxtalk.com/questions-2/question/which-days-are-cheapest-to-fly-lufthansa/https://thetaxtalk.com/questions-2/question/which-days-are-cheapest-to-fly-lufthansa/https://thetaxtalk.com/questions-2/question/which-days-are-cheapest-to-fly-lufthansa/https://thetaxtalk.com/questions-2/question/whi... https://thetaxtalk.com/questions-2/question/which-days-are-cheapest-to-fly-lufthansa/