Originally Posted by
CLTRob
Thanks for the suggestion! I tried that on AA/US sites and it was several thousand higher than if we book a roundtrip from CLT to JFK on US and a separate roundtrip on BA from JFK to DUB via LHR.
Did you pick the option to use any oneworld carrier [not just AA/BA]?
In principle the same fares should be available from AA.com as from BA.