Through June 30, 2009, Miles & More members can redeem miles and upgrade to business class on Lufthansa flights between North America and Germany at a discount. The discounted upgrade awards are 20,000 miles for upgrading from unrestricted economy class tickets booked in Y or B class (normally 35,000 miles) and 30,000 miles from all other economy class booking classes excluding S and W class (normally 50,000 miles). Book at www.miles-and-more.com.