Originally Posted by
raychen4183
...
So my route is changed to BUD-AMS-SFO//SFO-DTW-AMS-BUD w/o paying any fare difference. And then I still play for some more possibilities and to my surprise, my route is changed to BUD-CDG-LAX-HNL//SFO-DTW-AMS-BUD for free. ....
May I ask how did you do that exactly? I tried KLM, AF and Delta and was not able to find a way to do that. I booked via KLM.