Originally Posted by
Dave Noble
You won't fly under the radar - CX will not alllow the passenger to check in without a ticket number in the booking
For the journey mentioned however, I think that the only fare that AA will be able to sell will likely be "exhorbitant". a r/t journeyt using CX out and JL back is likely to require an expensive fare ( around $700 exconomy and $2000 business would seem possible) so you may not save money with advance purchase
Indeed. Rather it's often been the case that the operating carrier at the airport charges my relatives way less for lap child tickets purchased the night before or on day of travel than what the adult ticketing carrier asks when doing the lap child booking, for example, over the phone with AA weeks or months in advance. It's not always a huge difference, but the price difference may vary (in either direction) from phone call to phone call even when the calls are done within minutes of each other or overlapping in time.