Originally Posted by
findark
What changed? Dates?
Your existing fare may not be valid for travel on a different date - for example it could only be valid on weekdays, or there could be a seasonality or maximum stay requirement.
Just the return dates, by a few weeks. Same season.. Original return flight was D+29, now it'll be D+45, so possible there's a max stay of 30. but I doubt it. Both weekdays.
Agent told me the fare bucket isn't available, but I can see it in Expert Mode...