Originally Posted by
united1kinva
Does anyone know of a site that allows me to search for "Z" class tickets on United? Per this thread, none of the recommended links above work.
itasoftware (see MR stickys)
You can specify fare class - or just least expensive business class for the route.
For example: from: <airport>::ua+ /f bc=z
You can also string together additional fare classes as appropriate in the event that one or more segments lacks the "Z" class fare.