Originally Posted by
FlyngSvyr
K fare going out & P fare coming back. The key seems to be that the return SIN to IAH is pricing out at around $1800 for returns on TUE & WED when part of a RT itinerary.
PLXTZPM0 is a $3607 RT base fare effective from 5/1 through 8/31, for travel Monday through Thursday, requiring a 60-day advance purchase. Incidentally, if you're not worried about lifetime miles, it can be routed on NH metal, provided you use a UA code.