RER to Airports
Charles de Gaulle
You have to use the RER in CdG and leave it at the station:
“Saint Michel Notre Dame” then choose the exit:
parvis Notre Dame.
If you follow all this advices, you'll find no stair, only escalators.
(That the way we uses, Nicole and I, when we have to fly.)
Orly
You’ve first to use Orlyval, then change at Anthony then in direction of Paris you use the RER and arrive at the same station.
By Taxi
If you use a taxi, it’s nearly the same time , between CdG or Orly.
Vacation and short-term rentals
Paris Le Marais - Les Halles