Originally Posted by
SK AAR
Where did you inquire? - OSL or JNB?
I expect it would be easier at outstations like JNB. But it very much depends on the agent that you ask - for some it is easier to say "Sorry, no availability" than to process an upgrade. If OSL cannot process an upgrade ask at the lounge or gate in IST. Good luck!
I inquired at OSL (the check-in staff referred me to the ticket counter, but no luck there)
Will try in Istanbul, or at JNB for sure!