INFORMATION : 

Paris-CDG : from March 29th at 11.30pm until further notice, flights operated from Paris-CDG terminal 1, 3, 2C, 2D & 2G are reassigned to others terminals.
Paris-Orly : since June 26th, all flights are operated at Orly 3.
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Reopening of the Orlyval service since June 26th. 
Le Bus Direct shuttle service traffic is also suspended until furthuer notice. Your alternatives to go to / from the airport: click here

The French government has taken measures to restrict mobility. 
Find more on the French government

Warning: access to the terminals of Paris airports is restricted to employees and passengers (with a reservation). In Paris-Orly, if you are picking up a relative, go to the Drop-off ("Arrivées Minute") area at Orly 3, Parking P3 on level -2.

Paris Aéroport makes you travel safe: find more on health precautions related