This may be a naive question.
I see talk about booking/upgrading or changing to different flight 'types' or classes signified by letters.
Is there a guide to what they mean?
And can you change to a different 'class' after booking? (And is it beneficial?)
I'm lost, sorry.
Last edited by WineCountryUA; Apr 5, 2022 at 9:36 pm
Reason: more to fare class list thread