Originally Posted by claenen81

Hi all, first time I had a TK hotline agent tell me they can't see if my ticket is upgradable while on price hold. They did confirm availability for me of J3 on all flights, but kept telling me it's not necessarily confirmed a voucher would work. I checked for better flights on EF to try and get J4 on married and separate segments. On inbound flights I get the following:
GRU-IST-BRU J3
GRU-IST J4
IST-BRU J4
Would this be safe to make sure the GRU-IST is upgradeable with a voucher ("short haul" isn't that important to me)?
Alternatively I could opt for J4 on all segments from EZE but that would shorten my trip by 2 days.