Originally Posted by
thaitraveller
Awesome. Can this work from sf. Trying but not working.
Only from IAD for one way. From SAT and IAD is possible for round trip. Haven't found any from other places. SFO wouldn't work.
The fare bases are required to start with P- (if you don't count D- or C- fare bases which are not cheap). Other P fares are Dual RBD fares and require flights to be UA Operated By UA (for validation purposes I think).