Originally Posted by
erik123
If only 9 days consider combing Paris with cities closer by and using train. Book and open jaw and visit some of the wonderful places that are in easy reach. E.g. start in London, next Eurostar to Paris and end in Amsterdam. If 7 days do only 2. Otherwise you are wasting too much time traveling.
That will also save money, as departing London will incur the Air Passenger Duty excuse tax. Paris will cost less, but one must pay the Solidarity Tax. Etc.