In Reply to: Garuda business class upgrade posted by glory on Tuesday, 28. October 2014 at 16:45 Bali Time:
The days of upgrading cheaply are long gone.
If you want to fly BC it is better to look for specials. There were fares for $1300.00 from Syd and Mel this year.
Any upgrade now will probably cost more than buying a special BC fare.