Example of the fuel surcharge tax (CO YQ Surcharge) on a flight from Philly to Belize stopping in Houston:

Fare (A1):PHL HOU fare $78.14
Fare (B1):HOU BZE fare $99.00
Fare (B2):BZE HOU fare $99.00
Fare (A2):HOU PHL fare $78.14

Tax: US International Departure Tax $16.10
Tax: US September 11th Security Fee $7.50
Tax: CO YQ surcharge $240.00
Tax: USDA APHIS Fee $5.00
Tax: US Immigration Fee $7.00
Tax: US Customs Fee $5.50
Tax: Belize Conservation Tax $3.75
Tax: Belize Passenger Service Fee $15.00
Tax: Belize International Security Fee $2.50
Tax: Belize Airport Development Fee $18.00
Tax: US International Arrival Tax $16.10
Tax: US Passenger Facility Charge $10.50

Total for 1 adult passenger: $700.95