noun
airport usage fee; landing fee
A fee charged for using airport facilities, often included in the ticket price or paid at the airport.
航空券の代金には空港使用料が含まれています。
The ticket price includes the airport usage fee.
空港税 is a tax levied by the government, while 空港使用料 is a fee for using airport facilities.
Compound of 空港 (airport) + 使用料 (usage fee).