August 31, 2020

How to go to Roissy CDG by RER metro?

All the information you need to get to Paris Charles De Gaulle by RER (timetables, prices, journey time, comparison of means of transport)

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Are you planning to take off from Roissy airport very soon? To get there, the car, taxi or dedicated buses are still good solutions. The RATP metro network also serves the terminals at Paris Charles-De-Gaulle airport.


Which RER line for Roissy?

RER B schedules

Trip duration


Comparative means of transport

How to get to Paris Charles-De-Gaulle by RER metro?

To go to Paris Charles-De-Gaulle airport from Paris and its suburbs, you must take the RER B.

The RER B serves the 2 airport stations:

  • Charles-De-Gaulle Airport 1 (terminals 1 & 3, CDGVAL shuttle)
  • Charles-De-Gaulle Airport 2 TGV (terminals 2 A, C, D, E, F and G)

Warning: Before getting on the RER, make sure you take line B3.

From the "Aulnay-sous-Bois" station, the RER B can follow two different directions. One towards Mitry-Claye, the other towards the airport.

What are the RER B schedules for Charles-De-Gaulle?

The RER B towards Roissy Charles-De-Gaulle airport runs 7 days a week all year round, including public holidays. The times are as follows:

  • 4:53 am - 12:15 am (Gare du Nord)
  • 5:26 am - 12:11 am (Chatelet-Les Halles)
  • 5:18 am - 12:03 am (Denfert-Rochereau) (towards CDG)
  • 4:50 am - 11:50 pm (towards Paris)

How long it takes to go to Roissy by RER?

Paris Charles de Gaulle airport is approximately 30km from Paris. To get there by RER B, you should expect a journey time of around 30 to 40 minutes.

However, be sure to find out about any work on the line or social movements that could affect the time of your trip. You will find all the information on the RER B blog.

How much is the trip to Charles-De-Gaulle airport by RER?

The RATP network is made up of 5 different pricing zones. Paris Charles de Gaulle airport is located in zone 5.

In 2020, the price of a zone 5 ticket for the RER B to Roissy-CDG is € 10.30. It is free for children under 4 and at a reduced price up to 10 years old.

You can buy a ticket for the RER B at all Metro and RER stations.

If you are in Paris for several days, be aware that the « Paris Visite Pass» allows you to move around Paris unlimited for the duration you choose, as well as to go to Paris Charles de Gaulle airport.

Paris Visite Pass

1 day

2 days

3 jours

5 jours






Child (4 to 11 years)






Finally, Parisians with a Navigo Pass can go to Roissy at no extra charge.

What's the fastest way to get to CDG from Paris?

To get to Paris Charles de Gaulle airport from Paris, you can also opt for the car, taxi or even a private driver. Dedicated bus lines such as lines 350/351, Noctilien or Roissybus, also cover this route.

It takes between 30 and 40 minutes by car to reach Roissy. Taking the car is no faster than the RER B to go to CDG airport, the journey time is more or less the same. However, this is a theoretical time that does not take into account possible traffic jams on the road or other incident.

To travel to Roissy by bus from Paris, you will need to consider no less than 60 or even 90 minutes of travel time. The Noctilien line is specially practical for getting there at night.

Is there a cheaper means of transport than the RER B to go to Roissy?

Here is a comparison of the prices of the means of transport leading to Paris Charles de Gaulle airport from Paris.

Means of transport




Roissy Bus


Line 350/351





Between 40€ and 60€


The bus remains the cheapest solution, but as we have seen previously it is not the fastest.

For residents of the Parisian suburbs, the  Filéo bus network offers a price of € 2 departing from 16 municipalities in the departments of Val d'Oise, Seine-Saint-Denis and Seine-et-Marne.

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