The only way to travel is first class to Paris on Eurostar. from London Waterloo or Ashford to Paris Gare du Nord; your fare, which starts at £119 return, includes food and drink. You can fly from a wide range of UK airports to Paris Charles de Gaulle, from which the RER line B train takes(£6) also covers travel to the more central Châtelet-les-Halles or St-Michel RER stations, or to any Métro station in central Paris.