I just looked up a flight on ITA and the surcharges were listed for a flight from LEX-LHR for 2 pax return.

They are:


US International Departure Tax (US) $16.33
US September 11th Security Fee (AY) $2.49
AA YQ surcharge (YQ) $181.37
US September 11th Security Fee (AY) $2.49
US Passenger Facility Charge (XF) $4.52
US September 11th Security Fee (AY) $2.49
AA YQ surcharge (YQ) $181.37
USDA APHIS Fee (XA) $5.01
US Immigration Fee (XY) $7.01
US Customs Fee (YC) $5.51
United Kingdom Air Passengers Duty (GB) $97.84
United Kingdom Passenger Service Charge (UB) $49.94
US International Arrival Tax (US) $16.33


Please define what AA YQ surcharge (YQ) $181.37 is.

Many thanks,

I Fly on AA