la Gare du Nord
Eurostart trains terminate at London St. Pancras station.
According to the official website - a one-way ticket from Paris to London costs £138.
A five star hotel will cost you between 200 and 500 euro's per night. The real top hotels will range around 1000 euro's per night. But it is also possible to stay at a hostel in Paris for as little as 30 - 50 euro's.
Go to Saint-Lazare Station, take RER E, the first stop is Gare du Nord station the one where Eurostar are leaving from to London
its the euro
the euro
Paris is in France, and in France they use the Euro (€).
Euro-Disney
To catch a train before 09:00, you would need to board the 08:19 from Waterloo - which would get you into Paris by 11:47.
The park resort in Paris is usually called either Disneyland Paris or Euro Disney.
Capital - Paris Currency - Euro and Francs
Paris in France uses the Euro, so pounds would not be accepted.