The average train between London and Gif-sur-Yvette takes 3h 45m and the fastest train takes 3h 17m. There is a train service every few hours from London to Gif-sur-Yvette. 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 London and Gif-sur-Yvette. The earliest departure is at 6:01 AM in the morning, and the last departure from London is at 8:01 PM which arrives into Gif-sur-Yvette at 6:21 AM. All services require a transfer, and take on average 3h 45m. The schedules shown below are for the next available departures.

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3h 32m • 1 changeWant to know about travelling from London to Gif-sur-Yvette? 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 London to Gif-sur-Yvette. However, there are services departing from London St Pancras Intl station and arriving at Gif-sur-Yvette station via Paris Nord station. The journey, including transfers, takes approximately 3h 45m.
London to Gif-sur-Yvette train services, operated by Eurostar, depart from London St Pancras Intl station.
London to Gif-sur-Yvette train services, operated by Réseau Express Régional (RER Paris), arrive at Gif-sur-Yvette station.
The distance between London and Gif-sur-Yvette is 353 km.
You can take a train from London St Pancras Intl to Gif-sur-Yvette via Paris Nord in around 3h 26m.