RER B at a Glance
The Paris RER B is one of the most useful train lines for visitors to Paris. It provides a direct rail connection between Charles de Gaulle Airport (CDG), Gare du Nord, Châtelet – Les Halles, the Latin Quarter and the southern suburbs.
This guide includes the RER B map, route, stations, airport ticket prices, timetable information and practical travel tips.
RER B map
🛡 Travel Safety Tip
Many visitors use the RER B to travel between Charles de Gaulle Airport and central Paris, often while carrying luggage.
Keep your suitcase close to you and your phone, passport and wallet in a secure pocket or closed bag, particularly in busy stations such as Gare du Nord and Châtelet – Les Halles.
RER B Overview and Route in Paris
RER B crosses the Paris region from northeast to southwest. In the north, trains serve Charles de Gaulle Airport and Mitry-Claye. In the south, the line divides toward Robinson and Saint-Rémy-lès-Chevreuse.
For visitors, the RER B is particularly useful because it connects CDG Airport directly with several major stations in central Paris, including Gare du Nord, Châtelet – Les Halles and Saint-Michel – Notre-Dame.
It also provides connections with numerous Metro and RER lines, making it one of the most important north-south transport routes in Paris.
How to Get from CDG Airport to Paris by RER B
The RER B provides a direct train connection between Charles de Gaulle Airport and central Paris. It is a convenient option for travellers staying close to Gare du Nord, Châtelet, Saint-Michel or other locations connected to the Paris Metro network.
- Journey time: approximately 30–40 minutes to central Paris
- Airport stations: Aéroport Charles de Gaulle 1 and Aéroport Charles de Gaulle 2 TGV
- Main Paris stops: Gare du Nord, Châtelet – Les Halles and Saint-Michel – Notre-Dame
- 2026 ticket price: €14.00
- Reduced airport fare: €7.00 for eligible passengers
The Paris Region ↔ Airports Ticket costs €14 in 2026 and allows you to travel between Charles de Gaulle Airport and a Metro, train or RER station in the Paris region, including connections within the rail and Metro network as permitted by the ticket.
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RER B and Orly Airport
The RER B does not run directly to Orly Airport. It is possible to take the RER B to Antony and transfer to the Orlyval automatic shuttle, which serves the airport.
However, travellers starting in central Paris can now reach Orly Airport directly using Metro Line 14. For many tourists, Line 14 is therefore simpler than taking RER B and changing to Orlyval at Antony.
Tourist attractions on RER B
In addition to serving Charles de Gaulle Airport and several major train stations, the RER B provides convenient access to a number of popular areas and attractions.
- The famous Notre-Dame Cathedral can be reached from Saint-Michel – Notre-Dame station. The station also provides easy access to the Latin Quarter and the banks of the Seine.
- The Luxembourg Gardens can be reached from Luxembourg station.
- The Stade de France is served by La Plaine – Stade de France.
- Central Paris attractions can easily be reached by changing to the Metro at Gare du Nord, Châtelet – Les Halles or Saint-Michel – Notre-Dame.
RER B stations
The RER B serves several of the most important transport hubs in and around Paris. These are some of the stations most useful for visitors:
- Aéroport Charles de Gaulle 2 TGV serves Terminal 2 at Charles de Gaulle Airport and also connects with the TGV high-speed rail network.
- Aéroport Charles de Gaulle 1 serves the airport area and provides access to Terminal 1 via the airport’s internal transport system as well as convenient access to Terminal 3.
- La Plaine – Stade de France serves the Stade de France.
- Gare du Nord is one of the largest railway stations in Europe and provides connections with numerous Metro, RER, regional and international rail services.
- Châtelet – Les Halles is one of Paris’s largest transport hubs, with connections to several Metro and RER lines.
- Saint-Michel – Notre-Dame provides convenient access to Notre-Dame Cathedral, the Latin Quarter and the Seine.
- Luxembourg is convenient for the Luxembourg Gardens and the Latin Quarter.
- Denfert-Rochereau provides several Metro connections and access to the southern part of central Paris.
- Antony provides a connection to the Orlyval shuttle for Orly Airport.
Airports and Train Stations on RER B
- Charles de Gaulle Airport (CDG) is directly served by the RER B. There are two main RER stations in the airport area: Aéroport Charles de Gaulle 1 and Aéroport Charles de Gaulle 2 TGV.
- Orly Airport (ORY) is not directly served by the RER B. You can change at Antony for Orlyval. From central Paris, Metro Line 14 is now generally the simpler direct rail option.
- Gare du Nord is directly served by the RER B and provides connections with national and international trains.
Metro lines connected to RER B
- Metro 2, Metro 4, Metro 5, RER D and RER E at Gare du Nord.
- Metro 1, Metro 4, Metro 7, Metro 11, Metro 14, RER A and RER D at Châtelet – Les Halles.
- Metro 4, Metro 10 and RER C at Saint-Michel – Notre-Dame.
- Metro 4 and Metro 6 at Denfert-Rochereau.
RER B Ticket Price
There are two important fares to understand when using the RER B in 2026. Normal RER journeys use the standard Metro-Train-RER fare, while journeys to or from Charles de Gaulle Airport require the special Paris Region ↔ Airports Ticket.
For a normal RER B journey that does not start or finish at Charles de Gaulle Airport, the standard Metro-Train-RER Ticket costs €2.55 in 2026.
For a journey to or from Charles de Gaulle Airport, you need the special Paris Region ↔ Airports Ticket costing €14 at full fare. This airport ticket can be loaded onto compatible ticket media such as a Navigo Easy pass or smartphone.
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RER B timetable
You can check current RER B departure times and service information
on the official RATP website.
Direction Charles de Gaulle Airport / Mitry-Claye
For Charles de Gaulle Airport, make sure you board a train whose destination is Aéroport Charles de Gaulle 2 TGV. Some northbound RER B trains travel instead toward Mitry-Claye.
Direction Robinson / Saint-Rémy-lès-Chevreuse
Southbound RER B trains divide into different branches after leaving central Paris. Check the destination displayed on the platform before boarding.
Airport services generally operate from early morning until around midnight. Exact departure times vary by station and day, so always check the current timetable when travelling for a flight.
FAQ – Frequently Asked Questions About the RER B
Does the RER B go to Charles de Gaulle Airport?
Yes. The RER B provides a direct train service between central Paris and Charles de Gaulle Airport. It serves Aéroport Charles de Gaulle 1 and Aéroport Charles de Gaulle 2 TGV.
How much is the RER B from CDG Airport to Paris in 2026?
A journey between Charles de Gaulle Airport and Paris costs €14 at full fare in 2026 using the Paris Region ↔ Airports Ticket.
Can I use the normal €2.55 RER ticket to CDG Airport?
No. Charles de Gaulle Airport is subject to a special airport fare. You need a Paris Region ↔ Airports Ticket costing €14 at full fare or an eligible transport pass.
How long does the RER B take from CDG Airport to Paris?
The journey to central Paris generally takes around 30 to 40 minutes, depending on the station, service pattern and traffic conditions.
Which RER B station should I use at CDG Airport?
Use Aéroport Charles de Gaulle 2 TGV for Terminal 2. Aéroport Charles de Gaulle 1 serves the Terminal 1 and Terminal 3 area, with airport connections available between terminals.
Which direction do I take from Paris to CDG Airport?
Take a northbound RER B train whose destination is Aéroport Charles de Gaulle 2 TGV. Do not board a train terminating at Mitry-Claye if you are travelling to the airport.
Does every northbound RER B train go to CDG Airport?
No. The northern part of the RER B divides into two branches: one toward Charles de Gaulle Airport and another toward Mitry-Claye. Always check the train destination before boarding.
Does the RER B go directly to Orly Airport?
No. The RER B does not directly enter Orly Airport. You can travel to Antony and transfer to the Orlyval shuttle.
Is RER B or Metro 14 better for Orly Airport?
For many travellers starting in central Paris, Metro Line 14 is now the simpler option because it runs directly to Orly Airport. RER B + Orlyval can still be useful if your journey starts near Antony or another station on the southern RER B.
How much is the train to Orly Airport?
The Paris Region ↔ Airports Ticket costs €14 at full fare in 2026 and covers access to Orly Airport via Metro 14 or Orlyval under the ticket’s conditions.
Does RER B stop at Gare du Nord?
Yes. Gare du Nord is one of the main RER B stations in Paris and is particularly useful for travellers connecting with other trains and Metro lines.
Does RER B stop at Châtelet – Les Halles?
Yes. Châtelet – Les Halles is one of the main RER B stations in central Paris and offers connections with RER A, RER D and several Metro lines.
Can I take RER B to Notre-Dame?
Yes. Get off at Saint-Michel – Notre-Dame. The station provides convenient access to Notre-Dame Cathedral, the Seine and the Latin Quarter.
Does RER B go to the Stade de France?
Yes. Get off at La Plaine – Stade de France for access to the stadium.
Can I use a Navigo Pass on RER B?
Yes. Navigo passes can be used on the RER B according to the zones, validity period and conditions of the particular pass you have. Check that your pass includes airport access if you are travelling to CDG.
How much does a normal RER B journey cost in 2026?
For eligible journeys that do not involve CDG Airport, the standard Metro-Train-RER Ticket costs €2.55 at full fare in 2026.
How often does the RER B run to CDG Airport?
RER B airport services run regularly throughout the day. RATP indicates a typical weekday airport frequency of approximately 10 to 20 minutes, although schedules can change because of maintenance or operational conditions.
What time does the RER B start running to CDG?
RER B services to Charles de Gaulle Airport begin in the early morning, at around 5:00 AM. Exact first-train times depend on your departure station.
What time does the last RER B leave for CDG Airport?
Services generally continue until around midnight. The exact last departure depends on the station and day, so check the current RATP timetable if you are travelling for a late flight.
Can I take luggage on the RER B?
Yes. Luggage is allowed on the RER B. Because the line is heavily used by airport passengers and commuters, keep your luggage close to you and avoid blocking doors and aisles.
Is the RER B safe for tourists with luggage?
The RER B is widely used by visitors travelling between CDG Airport and Paris. As on other busy public transport routes, keep valuables secure and pay particular attention to your phone, passport, wallet and bags in crowded trains and major stations.
Can I change from RER B to RER A in central Paris?
Yes. You can change between RER B and RER A at Châtelet – Les Halles. This is useful, for example, when travelling between Charles de Gaulle Airport and destinations served by RER A.