Craig Keffer is haunted by ghost fares. He recently caught wind of a fare sale from Los Angeles, his home airport, to Denver. But when he tried to book the seats at the advertised $136 fare, the site notified him the fare was no longer available and that he'd have to pay another $20 to fly. "You can't trust an airline," says Keffer, a purchasing manager based in Fullerton, Calif. (www.usatoday.com) 更多...
