The average train between King's Cross Station and Montparnasse takes 2h 48m and the fastest train takes 2h 42m. There is a train service every few hours from King's Cross Station to Montparnasse. 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 King's Cross Station and Montparnasse. The earliest departure is at 6:31 AM in the morning, and the last departure from King's Cross Station is at 8:31 PM which arrives into Montparnasse at 12:17 AM. All services require a transfer at London St Pancras Intl and take an average of 2h 48m. The schedules shown below are for the next available departures.

3h 46m • 1 change

3h 47m • 1 change

3h 46m • 1 change

3h 45m • 1 change

3h 47m • 1 change

3h 49m • 1 change

3h 45m • 1 change

3h 47m • 1 change

3h 45m • 1 change

3h 46m • 1 change

3h 46m • 1 change

3h 46m • 1 change
Want to know about travelling from King's Cross Station to Montparnasse? 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 King's Cross Station to Montparnasse. However, there are services departing from King's Cross Station station and arriving at Montparnasse station via Paris Nord. The journey, including transfers, takes approximately 2h 48m.
King's Cross Station to Montparnasse train services, operated by Eurostar, depart from London St Pancras Intl station.
King's Cross Station to Montparnasse train services, operated by Eurostar, arrive at Paris Nord station.
The distance between King's Cross Station and Montparnasse is 346.1 km. The road distance is 457 km.
Eurostar operates a train from London St Pancras Intl to Paris Nord hourly. Tickets cost €130–230 and the journey takes 2h 28m.