Originally Posted by
JY1024
That's a UK origination tax. If you were to start your travel at LHR, you'd have to pay, but since you're just transiting through, you won't have any additional luxury cabin taxes.
Oh, really? I was unaware of that! If I fly DUB-LHR on EI and then LHR-JFK on AA and upgrade the LHR-JFK I am not liable to pay the additional tax? I thought since the upgraded itinerary began in LHR I was.