Travelers snap up $10,000 Asia-US business class flights for just $300 after airline makes currency exchange blunder – here’s how YOU can cash in on similar gaffes By Helena Kelly Consumer Reporter For Dailymail.Com Published: 14:30 EDT, 19 April 2023 | Updated: 15:29 EDT, 19 April 2023 A Japanese airline accidentally sold dozens of business class Asia-US flights for just a fraction of their price due to a currency exchange rate blunder – including a $10,000 ticket for just $300.  Travelers raced to the All Nippon Airways (ANA) website this week to snap up the bargain fares, with one passenger paying just $890 for first class flights from Indonesian capital…