Paris CDG — RER B
Paris Charles de Gaulle (CDG) to Paris — Updated 2026
Paris Charles de Gaulle (CDG) connects to central Paris via the RER B suburban rail — €11.80 one-way (€13 with Métro extension), 25–40 minutes to Gare du Nord, Châtelet–Les Halles, or Saint-Michel–Notre-Dame depending on stop pattern. Trains run every 10–15 minutes between 05:00 and 00:00 from both Terminal 2 (underground station accessible by free CDGVAL light rail from T1) and the standalone Terminal 3 station. CDG also has a TGV station (CDG2 TGV) for direct high-speed rail to Lyon, Marseille, Bordeaux, Strasbourg, Lille and London (Eurostar via interchange at Lille Europe). RER B is the operator-recommended fast option for central Paris; Roissybus is the alternative at €16.60 (60 minutes to Opéra), 24/7-ish; and Le Bus Direct line 2 to Étoile / Trocadéro at €18 is now discontinued, replaced by city bus 350/351 (€2.50, 80–90 min). Avoid taxis to flat-rate central Paris (€55 to right bank, €62 to left bank) only if luggage or accessibility makes RER impractical.
RER B stops
| Station / Stop | Time | Notes |
|---|---|---|
| CDG Terminal 2 (RER) | 0 min | Underground station, direct from T2A–T2F |
| CDG Terminal 1 (CDGVAL + T3 RER) | +5 min | Free CDGVAL to T3 RER stop |
| Aulnay-sous-Bois | ~12 min | First major Paris-area stop |
| Gare du Nord | 25–30 min | Métro 2/4/5, Eurostar, Thalys interchange |
| Châtelet–Les Halles | 30–35 min | Métro 1/4/7/11/14, central Paris hub |
| Saint-Michel–Notre-Dame | 35–40 min | Métro 4 + RER C, Latin Quarter |
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RER B vs alternatives
| Option | Cost | Time | Best For |
|---|---|---|---|
| RER B | €11.80 | 25–40 min | Direct to Gare du Nord, Châtelet, Saint-Michel. |
| RER B + Métro extension | €13 | 30–50 min | Same as above + 1 Métro transfer included. |
| Roissybus | €16.60 | 60 min | Direct to Opéra. 24/7 (last bus 00:30). |
| TGV from CDG2 TGV | €60+ | Various | Direct to Lyon, Marseille, Bordeaux, Strasbourg. |
| City bus 350 (to Gare de l'Est) | €2.50 | 80–90 min | Cheapest formal option. Slow. |
| Taxi flat fare | €55–62 | 40–75 min | Flat €55 right bank, €62 left bank. |
FAQ
RER B or Roissybus from Paris CDG?+
RER B is faster + cheaper: €11.80 / 25–40 min vs €16.60 / 60 min for Roissybus. Take Roissybus only if (a) you have heavy luggage and want a single seat, (b) you arrive late at night (Roissybus runs until 00:30 vs RER B last train ~00:00), or (c) the RER B has service issues (regularly during strikes). For value + speed, RER B wins.
Does CDG have a TGV high-speed rail station?+
Yes — CDG2 TGV station is integrated with Terminal 2, accessed from T2C/T2E/T2F via a covered walkway. Direct TGV services to Lyon Part-Dieu (~2h, from €60), Marseille (~3h 30m, from €70), Bordeaux, Strasbourg, Lille (then Eurostar to London). Bookable via SNCF Connect or Trainline. Useful if your final destination is in another French city.
Which CDG terminal has the RER B station?+
Terminal 2 has the integrated RER B station underneath the terminal — directly accessible from T2A, T2C, T2D, T2E, T2F via signage. Terminal 1 connects to the RER B at Terminal 3 station via the free CDGVAL light rail (4 minutes). Terminal 3 has its own RER B station directly outside arrivals. Don't walk between terminals at CDG — they're up to 1 km apart.
Last RER B from CDG?+
The last RER B from CDG to Paris departs around 00:00 (varies slightly Sunday-Thursday vs Friday-Saturday). After that: Roissybus runs until 00:30, city bus N143/N140 (€2.50) overnight, or taxi (€55–62 flat fare). For overnight arrivals, taxi is usually the cleanest option. Note that during strike days RER B may end earlier — check via the SNCF Connect app.
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