Originally Posted by
KARFA
between T5 and T3 the airside bus is usually quicker. Once at T5 you can choose to go through immigration and then up to TFW to go through security - that would be my usual route.
Thanks for the reply. I am doing a TP run from OSL-LHR-HEL next week. On the return, I have around 9h connection when I arrive at LHR T3 from HEL. My plan is to enter T3 and use the lounges there before going to T5 and the last flight to OSL. I can still use the airside bus from T3 to T5 even though I enter the T3 terminal?