There are few choice of transportations for CDG - Paris :
Trains ( RER) and Bus services are available between center of Paris and CDG airport as well as Orly Airport .
RER train has only one station in CDG Terminal 2 , so in any terminal your arrival ( or departure ) is , you will need to go to the train station , and CDG is big . Ticket to paris cost about 10 euros and take at least 35 Min to arrive to center of city . The interval of trains is 3-4 train /hour .
There are few major inconveniences with RER ; first , if you have your family and luggages with you, carrying all that through airport and in side of crowded train and stairs, can be difficult.
second; the train passes through some not very safe suburbs of paris and you really have watch your belongs and wallet etc .
Bus – there are two major bus lanes between CDG and paris , First is the normal City bus, and ticket cost 11 euros , it is usually crowded and seldom you may find place to seat . Trip time from CDG to paris is 1 hr.
The second bus lane is Air France Bus, in this one you will have individual seat and is quite similar to American « Greyhound Bus » . The ticket of this lane is 17 - 21 euros and trajet time to Paris center is 75 min .
Shuttles – the shuttles are the least good choice ! They take several people (up to 8) from different terminals and drop them off in different locations in city , it is very time consuming and if you are more than one person , taking normal taxi will cost about the same for you , beside taxi is much faster and more convenient .
Taxi -If you prefer to have more comfort and privacy you can take a normal Taxi ;
These examples are based on parisian taxis basic rate, fares can vary according to the difference of rates in day and night , weekdays and holidays, time of day and traffic conditions.
From CDG - Charles de Gaulle airport- to center of Paris costs about 50 euros. Can take from 45 min to 70 min depends to rush hour traffic.
in heavier traffic it will cost up to 65 euros .
From CDG to Orly airport cost 60 euros , and takes about 55 minute .
From Orly airport to center of Paris costs about 30 euros . Can take from 35 min to 1 hr according to time of day and traffic.
From center of Paris to Disneyland costs about 55 euros . Takes in average about 50 min time .
From CDG to Disneyland cost about 55 euros . takes about 45 min.
From center of Paris to Versailles palace costs about 35 euros. Takes in average about 35 min .
Average taxi ride within the city of paris costs between 10 - 15 euros.
To find out about rush hour traffic in paris see my Paris taxis page .