Originally Posted by
tfung
reason why I'm asking is that looking on expertflyer, they show a lot of YY fares, but for some of these routes, it seems that the YY fares are cheaper than the carrier specific fares.. like HKG-JFK.. F class RT YY fare is HK$128,440, while the CX F class RT fare is HK$163,940... obviously if you have a YY fare ticket and go to CX, they would not accept this ticket and make you pay for the higher fare... so this kind of defeats the whole purpose of IATA full fare tickets, no?
I've noticed this, too, on other routes. Checking with ITA, the YY fare will only come up if one segment is on a different airline, otherwise it will always show the higher (in your case) CX fare. I'm not sure if this is a (new) requirement?