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Thread: Upgrade with Miles - booking class
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Old Dec 14, 2021 | 3:47 am
  #5  
ISTFlyer
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Join Date: Nov 2018
Location: Istanbul, Turkey
Programs: TK Elite Plus,BAEC GGL,ITA Executive, AFKL Gold,QR Gold,HH Diamond,Bonvoy Gold,ALL Gold
Posts: 14,186
Originally Posted by Jasper2009
Just a quick question: Is award availability and upgrade availability identical on TK flights? (I.e. if I see award availability on the TK website, is it safe to assume that the flight has upgrade space?)

It's really interesting that even the lowest booking classes are upgradable.
Award availability relies on "I" fare inventory while upgrade availability relies on "J" fare inventory, thus they are not identical.
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