Travel Xian to Huangshan (Yellow Mountains)

Is there a high speed rail from Xian to Huangshan?
I read somewhere that you have to take a regular night train from Xian to Hefei (around 15 hours travel), followed by a bus from Hefei to Huangshan (4-5 hours travel). But this sounds quite long...

Would there be a big difference in price if we take a plane from Xian to Huangshan (if this exists as a direct flight