Originally Posted by
smilinganddialing
I have a 6 hour LHR layover coming up (arriving at T3 on BA intra-Europe flight and departing on BA out of T5). Having not transited between T3 and T5 at LHR in a few years, I wanted to know if there's a way to access the AAdmirals Club at T3 before heading over to T5 or do I have to go straight to transit to T5 upon arrival at T3 since I'm on a connecting itinerary? Does this require clearing any sort of immigration?
You can't access the LHR AC when arriving from the states.