Qantas accidentally offers cheap first-class fares

Qantas will refund or downgrade hundreds of passengers who were sold first-class flights at a huge discount last week because of a coding error."Unfortunately, this is a case where the fare was actually too good to be true," a spokesperson for the Australian airline said.On Thursday, when the erroneous offer was put up on its site, around 300 people quickly booked return flights between Australia and the US,…