Originally Posted by
lorcancoyle
I think that could turn a SIN-NYC ticket into SIN-NYC-LON-SIN ticket, was your stopover in London less than 24 hours to begin with?
See this on some of the fares from Europe to the U.S., where adding a stopover (>24 hours) makes a very large difference
Yes, not to labour the point I hope, but a change like that with a stopover of >24 hours constitutes a change of routing (if that's what happened).