Originally Posted by
realgaga
I believe D is cheaper than I but they have the same fare rules. Each RBD is separate so you'll need the same RBD and no fare difference in order to have a free change under the EOC policy, or you can pay the fare difference.
That's not how I read the policy, although it is not very clearly stated, and there may have been a discussion of this in other threads.
https://www.qatarairways.com/tradepo...ommitment.html
Rebook in the same ticketed RBD as original (within the same cabin and OAL) and flights as permitted according to original ticketed fare basis