Originally Posted by
synthkeys
AMEX travel often has very good prices on AA/CX codeshare PEY tickets, many of my colleagues have been booking them lately after I stumbled on it last year. I don't remember what the fare class of the tickets (not E,R or W) but definitely can't upgrade with miles, AA or AM. A few of them have gotten op-up with that ticket though.
I just tried it myself and indeed the price on AA codeshare is very good. Not upgradable for sure, but good price on PEY.