Originally Posted by
zoqfotpik
I was able to price it on priceline using bookwithmatrix. Can you try ITA then bookwithmatrix or powertools?
Apparently, you can pay a nominal fee for an upgrade to first when you check-in. If that's the case, I wonder if you get re-booked to F-fare class (ie. F or A) and subsequently earn miles.
After using bookwithmatrix, Priceline shows the flights as economy (at least for my trip).