Thai Airways:
United States in US$:
Fuel Surcharges: 0.65 P/kg on Chargeable Weight - No Minimum
Security Surcharges: 0.10 P/kg on Chargeable  Weight - No Minimum
 

Canada in CA$:
Fuel Surcharges: 0.68 P/kg on Chargeable Weight - No Minimum
Security Surcharges: 0.15 P/kg on Chargeable  Weight - No Minimum
Navcan: 0.07 P/kg on Chargeable Weight - Minimum $5.00