Originally Posted by
UKtravelbear
YQ = Carrier Imposed Surcharge aka Fuel Surcharge (and variants) set and retained 100% by VS and not a tax.
GB = UK Air Passenger Duty
XT = everything else but essentially US and UK Airport fees and charges and US Transportation tax
Thanks. Can't see anything that aligns with the $110 difference anywhere. Very odd. Perhaps I'll call them when I find time.