Originally Posted by IggySD

[...] Depending on how much luggage you have you can actually walk from the Parc des Expositions RER station, it’s about 20 minutes or so, there’s also a bus that runs directly there and it’s significantly cheaper to get into Paris than from the CDG station.

Haven’t stayed at either HH or HP but the shuttle hours seemed similar to HR. They’re listed on the hotel websites. Would make sense if they add the shuttle charge onto your bill but no idea. [...]

Originally Posted by valdor

You can get to all three hotels using the RER train to Parc des Expositions and then a 20 minutes walk (there is also a bus direct from the station to the hotels, #640).