Originally Posted by
KenJohn
Expedia may charge you a one-way ticket for LHR-HKG and a one-way ticket for HKG.
Not at all.
When choosing the flights separately you can very easily choose a BA one way and QF the other, without any penalties for doing so.
I just priced up a return LHR-HKG-LHR in July, and the price for doing it on BA both ways or choosing QF for the return was exactly the same.