Im guessing it will be factored in,
When the airlines charged extra money suddenly on top of tickets people had paid for that was for a fuel surcharge (i think) not duty
either way (when you factor it) well over half of the airline ticket is taxes (airport tax, fuel duty, VAT, APD) its starting to get a little silly,
1st Feb 2007 saw the APD increased for flights booked before that date when you had to pay the extra.
There's no VAT on flights at this time, the fuel duty isn't a tax, it's an nicely named airline surcharge which goes back to them.
The APD increase is already factored into flight prices from Nov.
APD to the US goes from £45 per person to £60 in economy.
From £90 to £120 in other cabins.
Tax & Surcharge breakdown for VS economy from LGW-MCO from Nov
Operating Airline Fuel & Insurance Surcharge - £111.00
USA Animal & Plant Health Inspection Service Fee - £3.40
USA Immigration Service Fee - £4.80
USA Customs User Fee - £3.80
UK Air Passenger Duty - £60.00
UK Passenger Service Charge UB - £11.20
USA Transportation Tax US - £22.20
USA Passenger Civil Aviation Security Service Fee - £1.70
USA Passenger Facility Charge- £3.10
Some airlines (not BA/VS) include the fuel into their base prices, not as a surcharge, and some charges will vary by airport.
so....
£111 to Virgin
£60 to UK Gov
£39 to various US bodies (this can vary by exchange rate)
£11.20 to LGW
Total £221.20 of which ~£110 could be classed as form of tax.
It's not even as if we get it particularly bad.
A random AF flight in Dec this year from CDG to the JFK - Taxes and surcharges £226.
Lufthansa flight from Frankfurt to MCO - Taxes and surcharges 300