Searching for reward flights using PR. Two legs, both: lowest 8.9k + $41/51, flex 14.9k + $41/51 (different taxes each way). I select lowest for both legs. I expect 17.8k + $92ish. My total is 27.2k + $94. The $94 is close enough, but I do not understand where the 27.2k came from.
This was in PY, with one segment each way in Y. Selecting standard Y fare the total seems right. What's going on? Can the 17.8k be booked over the phone?