Originally Posted by
vancouver25k
I've seen this before - in that case, without promo it quoted basic or standard, and with promo it dropped the lowest fare family/families. When I compared like family with and without, it was indeed cheaper.
Yep, I believe that's what it's doing here, but that's not communicated terribly well.
...you'd think they could continue to show the non-discounted codes for the fare types to which the discount does not apply.