The average train between Saint-Denis and London takes 2h 42m and the fastest train takes 2h 33m. There is a train service every few hours from Saint-Denis 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 Saint-Denis and London. The earliest departure is at 6:46 AM in the morning, and the last departure from Saint-Denis is at 8:47 PM which arrives into London at 10:30 PM. All services require a transfer, and take on average 2h 42m. The schedules shown below are for the next available departures.

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2h 43m • 1 changeWant to know about travelling from Saint-Denis 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 Saint-Denis to London. However, there are services departing from Paris Nord station and arriving at London St Pancras Intl station via London St Pancras Intl station. The journey, including transfers, takes approximately 2h 42m.
Saint-Denis to London train services, operated by Eurostar, depart from Paris Nord station.
Saint-Denis to London train services, operated by Eurostar, arrive at London St Pancras Intl station.
The distance between Saint-Denis and London is 336 km.
Eurostar operates a train from Paris Nord to London St Pancras Intl hourly. Tickets cost £140–240 and the journey takes 2h 28m.