I flew on TAP Air Portugal, overnight, from Boston to Lisbon, economy class. I brought my CPAP (minus the humidifier), carry on, no problem. But . . . the seating was crazy tight. Most crampt seats I've ever experienced. So it wasn't practical to take the CPAP out of the bag, plug it in, etc. Lost a night's sleep (very bad).
For my next trip to Europe (likely Venice) I cannot afford business class or 1st, but maybe "Premium Economy" class would give me enough room to use a CPAP? Downside: Premium Economy adds $1,000+ more to flight cost.
Any suggestions?
Please note: (1) I can't use a mini CPAP machine because they don't have ASV tech, which I need. (2) There's no option for flying BOS to Europe during the day, all flights are overnight.