Originally Posted by FlY2XS

I looked things up, but still don't see any recent answer ; how does one find the actual fare subclass STLAK; QVWG when booking? I know where it comes up on the confirmation but I have never been able to identify it prior to that. Pain to have to go back and modify the booking to ensure the co pay is avoided. Last couple flex bookings were shorter notice so I had already missed the cheapest fares and presume that's why I was into G anyway. Guess AC gets its pound of flesh either by higher fare or copay.