Eurostar – which has run the service for 26 years – blamed "difficult economic circumstances" and the logistical implications of Brexit for the cancellation, according to The Independent.
The operator told the paper it will be concentrating on its core European city services in France, Belgium and the Netherlands.
It comes ahead of the implementation of more complex rules for visitors to the continent due to be added next year. The new Entry Exit System (EES) involves a database for registering travellers from outside the EU and Schengen area as they arrive and depart.