Still don't know how to import or add FLAC to iTunes so as to open and play FLAC in iTunes? Still trying to convert FLAC to iTunes more compatible audio formats like FLAC to MP3, FLAC to WAV, M4A, AIFF, AAC, Apple Lossless format, etc? If this is the case, follow the detailed guide and you'll find an answer.
FLAC (Free Lossless Audio Codec), as its name suggested, is a free lossless audio codec. FLAC can compress audio to about 50~60% without any quality loss. This format has been widely accepted by many Hi-Fi systems and audiophiles.
Unfortunately, Apple's software and devices, like iTunes, QuickTime, iPad, iPhone, iPod, don't support FLAC format.
To open and play FLAC in iTunes, a recommended solution is converting FLAC to iTunes recognized audio formats like MP3, M4A, WAV, AIFF, etc at:
http://www.faasoft.com/articles/flac-to-itunes.html
Hope it is what you are looking for.