Old Oct 10, 20, 3:59 pm
  #12  
findark
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Originally Posted by fumje View Post
Without doing any extensive research --

I think the "lowest" "economy" fare is actually (as you are seeing) CLE-IAH (C) + IAH-GRU (Y). Whereas the Business fare is properly a through-fare for CLE-GRU (D). It appears that CLE-IAH is pretty close to sold out in economy that day at that time, which forces combination with an expensive IAH-GRU economy fare.
This is correct. It is forcing Y "by any means possible" which involves a fare break in IAH and produces a higher result than the D through fare. If you split the ticket in IAH it is almost certainly cheaper (in Y) than either presented option.
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