Paris Charles de Gaulle Airport to City Center RER Train Ticket

Round-trip RER ( regional train ) ticket between Paris Charles de Gaulle ( CDG ) Airport and the city center. 

• This is a physical ticket, no need to specify the travel date, and it will be activated upon boarding. 
• Trains run approximately every 20 minutes, with a journey time of about 30 minutes.
• The RER Paris CDG ticket is valid for travel between the airport and the city center in either direction.
• You may transfer between the metro and the RER, or vice versa, but only one entry and one exit at the stations are allowed.
  For example, if you take the RER from CDG Airport to Chatelet Les Halles and transfer to the metro there, simply change lines within the station and exit at your final destination.

• Round-trip RER train ticket between Paris Charles de Gaulle (CDG) Airport and the city center.
   

• Each ticket is valid for a single use only, with no restriction on direction.

• This is a physical ticket.
• Must be purchased in pairs (can be used by two people for one-way trips or one person for round trips).
• No need to specify the travel date; the ticket is activated upon boarding.
• Trains run approximately every 20 minutes, with a travel time of about 30 minutes.
• On-site purchase price is €11.8, approximately TWD 400 (2025 price).

【Ticket】

【Airport Route Map Towards RER B Line】

【RER B Route map here】