How to get into metro from CDG airport to Eiffel tower?
From CDG Airport to Paris - Eiffel Tower you start by taking the RER B train from CDG Airport to Paris changing trains at Saint-Michel Notre Dame station.
From Saint Michel Notre Dame station you switch trains to RER C. There are many directions / destinations for the RER C train so you need to carefully choose the right RER C train. Take a RER C train in any of these directions:
- Versailles Chateau Rive Gauche
- St Quentin-en-Yvelines
- Montigny Beauchamp / Gare de Montigny-Beauchamp
- Pontoise / Gare de Pontoise
Once you are on one of the above RER C trains, ride until station Champ de Mars Tour Eiffel. This RER C station is the closest to the Eiffel Tower.
You can use the same RER B ticket for the RER C as long as you don't exit Saint Michel Notre Dame station before switching to RER C. RER tickets are valid for transfers inside Paris zone 1, onto other RER trains or Metro trains.