Quick Facts
- Time Zone
- Central European Standard Time (UTC+1)
- Dialing Code
- +33
- Currency
- Euro (EUR, €)
- Power Plug
- Type C, E, F (round 2-pin, common across most of Europe)
- Language
- French (Français)
- Emergency
- 112
- eSIMno Networks
- Bouygues, Orange, SFR
How to Get Your eSIM
- Choose Your France Plan
Select a data package that covers your CDG arrival through your Versailles visit and beyond — plans work nationwide on Bouygues, Orange, or SFR networks. - Install Before Your Flight
Download the eSIM profile at home over WiFi. Your phone stores it ready to activate — no physical card, no arrivals kiosk queue at Roissy. - Activate After Landing
Once the aircraft reaches the gate at CDG, switch off airplane mode. Your eSIM connects within seconds — data ready before you reach immigration. - Navigate the Terminal Flow
Pull up the CDGVAL schedule to your terminal, check RER B departure times for Paris, and confirm your Versailles transfer — all from the jet bridge. - Stay Connected to Versailles and Beyond
Your plan keeps working through the RER B to Châtelet, the RER C to Versailles Château Rive Gauche, and anywhere in France your trip takes you.
Traveler Tips
- The CDGVAL automated train runs every 4 minutes and connects Terminal 1, Terminal 2/TGV station, and Terminal 3 — check the live schedule on your phone before walking.
- RER B trains depart from Aéroport CDG 1 and Aéroport CDG 2-TGV stations every 10-15 minutes; the journey to Châtelet-Les Halles takes around 35 minutes.
- Rideshare pickup zones vary by terminal — Terminal 2E uses Gate 4, Terminal 1 uses Gate 24. Confirm your driver's location via app before walking outside.
- Keep your home SIM active for incoming calls; use WhatsApp, FaceTime, or Google Meet over your eSIM data for outgoing calls to avoid roaming charges.
- Versailles has no direct rail from CDG — plan the RER B + RER C transfer in advance using Citymapper or Google Maps with live traffic.
Why You Need an eSIM at CDG
Paris Charles de Gaulle Airport sprawls across three terminal complexes, seven Terminal 2 sub-terminals, and four runways — and every connection between them depends on your phone. The CDGVAL people mover runs 24 hours linking Terminal 1, Terminal 2, and Terminal 3, but knowing which platform to use and when the next train arrives requires live schedule data. Immigration queues at Terminal 2E can stretch 45 minutes during summer peaks; real-time updates on your phone help you decide whether to sprint for the fast-track lane or wait it out.
Once you clear customs, the SIM-card kiosk queue adds another 15-20 minutes — time you could spend on the RER B platform checking which train reaches Châtelet-Les Halles fastest. CDG's free WiFi requires captive-portal registration and coverage weakens near the RER tunnels and CDGVAL corridors where directions matter most. Your eSIMno plan for France connects through Bouygues, Orange, or SFR infrastructure, the same networks airport staff use, so signal holds from the jet bridge through baggage claim.
Versailles sits 50 km southwest with no direct rail link. The fastest route runs RER B to Saint-Michel Notre-Dame, then RER C to Versailles Château Rive Gauche — roughly 90 minutes with the transfer. Your Palace of Versailles timed-entry ticket lives as a QR code in your email, and the gardens close at sunset regardless of how delayed your train ran. Group chats with family waiting at the Neptune Fountain, Citymapper directions from the station to the palace gates, and Uber pickup coordinates for the return all demand data from the moment you land at Roissy.
Visiting CDG
Terminal 2E handles most Air France long-haul departures through Halls K, L, and M — the LISA shuttle between Halls L and M adds 10 minutes to your connection if you're switching gates. Terminal 1 serves Star Alliance carriers including Lufthansa, United, and Turkish Airlines, with seven boarding satellites numbered 1 through 7. Terminal 3 handles low-cost carriers like easyJet and Transavia; it sits a 5-minute CDGVAL ride from Terminal 2.
Transit to Versailles
The RER B departs from Aéroport CDG 2-TGV station every 10-15 minutes, reaching Saint-Michel Notre-Dame in about 40 minutes. From there, transfer to RER C toward Versailles Château Rive Gauche — the closest station to the palace gates, a 10-minute walk. The combined journey runs roughly 90 minutes; a through-ticket costs around €13-15. Taxis from CDG to Versailles are metered at around €90-120 depending on traffic via the A1 and A86.
Inside Terminal 2E

Compare eSIM Options at Paris Charles de Gaulle Airport
eSIMno | Local SIM / Operator | Roaming | |
|---|---|---|---|
| FEATURES | |||
| Setup time | Few minutes | Boutique or tabac, ID shown at the counter | Auto |
| No local ID needed | Online checkout | Passport or ID needed at purchase | Use home account |
| Speed | 4G/LTE on Orange, SFR and Bouygues; 5G in some areas | One network only | Partner-dependent |
| Travel support | English support 24/7 | French-language service | Home carrier hours |
| Keep home number | Dual SIM | Replaces it | Same number |
| Cost predictability | Fixed price | Prepaid, no bill shock | Bill-shock risk |

