Originally Posted by
beardoc
If an xONEx contains something like SIN-LHR-CDG, where the two flights connect on the same day/within 24 hours at LHR, I'm assuming that the ticketing carrier won't charge UK APD - perhaps this is wrong, but it would seem correct, right?
Well that's not a stopover, it's a connection. No air passenger duty is due in that situation. The Heathrow service charge will apply though.
Originally Posted by
beardoc
If I was then to move the LHR-CDG flight to two days later, so it's now a stopover in the UK, by the rules of xONEx it's not a change in ticketed points, so it wouldn't be a reissue and so would be a free change.
If I'm missing something, please do let me know.
UK air passenger duty is now due on the LHR-CDG journey. (If you have another flight out of CDG within 24 hours, APD would be due on the whole journey up until your next stopover.)
The ticket will have to be reissued to show the appropriate taxes. It will also have to be re-issued or re-validated to show the change in flight number/times/dates. If the ticket issuer wants to charge a fee to cover that administration, they may do so. The 125 USD penalty is a
separate matter.