The average train between Cergy-Pontoise and Westminster takes 3h 40m and the fastest train takes 3h 19m. There is a train service every few hours from Cergy-Pontoise to Westminster. 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 hourly between Cergy-Pontoise and Westminster. The earliest departure is at 5:46 AM in the morning, and the last departure from Cergy-Pontoise is at 7:46 PM which arrives into Westminster at 10:30 PM. All services require a transfer at Châtelet - Les Halles and take an average of 3h 40m. The schedules shown below are for the next available departures.


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Want to know about travelling from Cergy-Pontoise to Westminster? 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 Westminster. However, there are services departing from Cergy-Pontoise station and arriving at Westminster station via Châtelet - Les Halles. The journey, including transfers, takes approximately 3h 40m.
Cergy-Pontoise to Westminster train services, operated by Réseau Express Régional (RER Paris), depart from Cergy Préfecture station.
Cergy-Pontoise to Westminster train services, operated by Réseau Express Régional (RER Paris), arrive at London St Pancras Intl station.
The distance between Cergy-Pontoise and Westminster is 315.4 km. The road distance is 487 km.
You can take a train from Cergy Préfecture to London St Pancras Intl via Châtelet - Les Halles, Les Halles, Gare du Nord, and Paris Nord in around 3h 38m.