The average train between Cergy and London takes 3h 20m and the fastest train takes 3h 6m. There is a train service every few hours from Cergy to London. 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 and London. The earliest departure is at 6:06 AM in the morning, and the last departure from Cergy is at 8:06 PM which arrives into London at 10:30 PM. All services require a transfer, and take on average 3h 20m. The schedules shown below are for the next available departures.

2h 7m • 1 change

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2h 22m • 1 change

2h 23m • 1 change

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2h 23m • 1 change

2h 23m • 1 change

2h 23m • 1 change

2h 23m • 1 change
Want to know about travelling from Cergy to London? 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 to London. However, there are services departing from Cergy station and arriving at London station via Paris Nord. The journey, including transfers, takes approximately 3h 20m.
Cergy to London train services, operated by Transilien – SNCF Voyageurs, depart from Pontoise station.
Cergy to London train services, operated by Transilien – SNCF Voyageurs, arrive at London St Pancras Intl station.
The distance between Cergy and London is 316.2 km. The road distance is 480 km.
You can take a train from Pontoise to London St Pancras Intl via Paris Nord in around 3h 51m.