Cheapest way of getting from Madrid to Valencia

You can get a train from Madrid to Valencia or a bus from Madrid to Valencia which is the cheapest way but it takes a long time and if you check the timetable there are no services running on 18th June.

Click on this link to find out how to get from Madrid Airport to the bus and train stations in the city centre

Linda


Which is the leat expensive way to travel fom Madrid to Valencia??
Flight arrives June 18, 2008.