EUROSTAR will launch its first direct London - Amsterdam passenger service on April 4, initially offering two trains per day in one direction only.
The London - Amsterdam trains will offer a journey time of 3h 41min, with trains to Rotterdam taking 3h 1min, and a new record journey time of 1hr 48min to Brussels, a saving of 17 minutes. Direct London - Amsterdam services will depart St Pancras at 08.31 and 17.31, with the cheapest ticket priced at £35.
http://www.railjournal.com/index.php/high-speed/eurostar-to-launch-london-amsterdam-service-on-april-4.html