Nevertheless, purchasing discounted US Airways miles and redeeming them for premium-cabin internatio

The normal cost to share miles is one cent per mile, plus a 7.5 percent tax, plus a $30 transaction fee. So with the bonus, a 50,000-mile transfer will net 100,000 miles for the recipient, for $567.50. In effect, you're purchasing 50,000 miles at a cost of about 1.13 cents apiece.
If you do have US Airways miles, and your goal is to give someone car trailers for rent an award ticket, the most cost-effective way to do so is simply car trailers for rent to redeem your miles for a ticket issued in the name of the recipient. There's no need to pay to transfer the miles at all.
Nevertheless, purchasing discounted US Airways miles and redeeming them for premium-cabin international flights on Star Alliance airlines can still make for outsized return-on-investment opportunities.
In assessing the past couple of US Airways buy-miles promotions, part of the calculation has been that any current US Airways miles were almost certainly destined to become American miles as a result of the two airlines' planned merger. The outlook for the merger has become considerably murkier, with the Department of Justice antitrust lawsuit casting doubt on the tie-up.