Taking the Eurostar is much cheaper when you want to go to London from Paris or vice versa. The Eurostar is the famous train that goes from London's St. Pancras Station to Gare Du Nord in Paris.
Its depends on where you start from, what airline you use, the date, the time, when you book and a number of other (fairly random) factors.
Paris, London and Brussels
The Eurostar does not go to Berlin. Eurostar is the brand name of the high speed train service London-Paris and London-Lille-Brussels.
Glasgow/London/Paris 7 hours 36 minutes
The main station is gare du nord in Paris.
The Eurostar doesn't go to Copenhagen. You will need to go to Brussels or Paris and take a different train.
You can take the Eurostar from Paris to London St. Pancras.
The Eurostar takes 2 hours 15 minutes between London and Paris. Eurostar is the brand name of the company running high speed trains London-Paris and London-Lille-Brussels through the Channel Tunnel. Eurostar uses the stations: St. Pancras (London), Gare du Nord (Paris), Bruxelles Midi (Brussels) and Lille Europe. Currently these are the only passenger trains operating through the tunnel.
2 hours 15 minutes.
Eurostar is the brand name of the company running high speed trains London-Paris and London-Lille-Brussels through the Channel Tunnel. Eurostar uses the stations: St. Pancras (London), Gare du Nord (Paris), Bruxelles Midi (Brussels) and Lille Europe. Currently these are the only passenger trains operating through the tunnel. The Eurostar takes 2 hours 15 minutes between London and Paris.
If you take the eurostar it's not that bad. You can take a nap or read a book and you're there. It's about 2.5 hours.
The main options are either flying, London has a big selection of airports to choose from, or travel by Eurostar. Eurostar operate from Ebbsfleet or St Pancras.
The Eurostar train takes just over two hours.