Moderator: Hawaii-based airlines & Hawai'i forums
Join Date: Mar 2003
Location: Ka ʻĀpala Nui, Nuioka
Programs: NEXUS/Global Entry, Delta, United, Hyatt, IHG, Marriott, and Hertz
Posts: 18,692
I suspect you will be responsible for payment of the co-pay fee, but they would accept and charge your friend's credit card (assuming you are together at check in).