The average train between Cergy-Pontoise and Dieppe takes 5h 14m and the fastest train takes 3h 10m. The train service runs several times per day from Cergy-Pontoise to Dieppe. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Cergy-Pontoise and Dieppe. The earliest departure is at 7:32 AM in the morning, and the last departure from Cergy-Pontoise is at 8:41 PM which arrives into Dieppe at 9:54 AM. All services require a transfer at Conflans Fin d'Oise and take an average of 5h 14m. The schedules shown below are for the next available departures.



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3h 29m • 3 changes
Want to know about travelling from Cergy-Pontoise to Dieppe? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Cergy-Pontoise to Dieppe. However, there are services departing from Cergy-Pontoise station and arriving at Dieppe station via Mantes-la-Jolie. The journey, including transfers, takes approximately 5h 14m.
Cergy-Pontoise to Dieppe train services, operated by Réseau Express Régional (RER Paris), depart from Conflans Fin d'Oise station.
Cergy-Pontoise to Dieppe train services, operated by Réseau Express Régional (RER Paris), arrive at Dieppe station.
The distance between Cergy-Pontoise and Dieppe is 121.9 km. The road distance is 179 km.
You can take a train from Cergy Préfecture to Dieppe via Conflans Fin d'Oise, Mantes-la-Jolie, Mantes La Jolie, and Rouen Rive Droite in around 3h 51m.