Originally Posted by
davetravels
That's what I was thinking.
So . . . I guess the answer is . . .
Worst case scenario, it
IS doable for $75 space available . . . SDC would require same fare class <NX> in this case . . . SDS still $75, even if NX isn't available, right?

Correct. The $75 applies for either. However for SDS if you don't clear they refund it.
Just to make sure this is the end of the reservation right? He doesn't fly back to BOG on same reservation, correct?