Members of Lufthansa (and Partners) Miles & More can get 20 percent more miles when purchasing miles from Aug. 1 to Aug. 31. You can buy or receive as a gift a maximum of 12,000 award miles per calendar year. You may give miles to any number of people, but each recipient is allowed to receive the 12,000-mile maximum. The cost to buy 2,000 miles is 60 euro, and with this promotion, you’ll get 2,400 miles.