About: http://webisa.webdatacommons.org/199986556

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	You are right that for a fixed route the total cost including taxes and fees is the key number, but as you note, taxes can vary significantly by destination, particularly across countries.
http://www.w3.org/ns/prov#wasQuotedFrom	hopper.com