Originally Posted by
IAHtraveler
Duh, I realized I have the # in my phone and just called.
You all are right (unfortunately for me): Since I flew part of the trip, the residual value is only available for GRU-IAH, plus the $150 change fee.
Thanks again!
150 change fee is not too bad, maybe you can get lucky with a random OW to GRU...wierd things can always happen