From the Airport to Central Paris

Average distance:

Charles de Gaulle (CDG) ~ 17 mi (27 km)

Orly ~ 13 mi (20 km)

Average time:

CDG ~ 50-80 mins

Orly ~ 30-60 mins

Mode of Transportation

Taxi:

CDG

There is a flat rate: to Paris right bank - €53; Paris left bank - €58

Orly

The flat rate is cheaper: Paris right bank - €37; Paris left bank - €32

Bus:

CDG

Roissy shuttle bus: €13.70 - ~60 mins (direct ride to Opera)

There is also Bus 350 (takes you to Gare de L'Est) and 351 (takes you to Nation): €6 - ~70-80 mins

Orly

OrlyBus (takes you to Denfert-Rochereau station) - €9.50 ~30 mins

Bus 183 (takes you to Porte de Choisy) - €2 - ~30 mins

Regional Rail:

CDG

RER B (takes you to Châtlet les halles) - ~€11.40- ~35 mins / *note it only serves terminal 1 and 3 / For terminal 2, look for Gare SNCF

Orly

RER B (head towards Mitry-Claye) - €12.10 (which includes ORLYVAL shuttle train) - 25-35 mins

RER C (heads towards Pontoise or Montigny Beauchamp) - €6.40 - 35 mins + 10 min shuttle bus ride

*Paris By Train has excellent directions and photos: https://parisbytrain.com/paris-airport-terminal-2-train-photo-tour/