A large number of the passengers reserve a low-tier ticket, but at the time of checking their bags in, they upgrade their seats and save and redeem miles or money. Ideal and Best and cheapest business class flights are often offered when one keeps an eye on the routes to Frankfurt and Munich where the flights can be offered at about 1,400 on average per way. Large airlines such as Lufthansa and United offer such options and you can have lie-flat beds.
