What is the best,fastest and most inexpensive way to get from the port city of La Havre to Paris,France?

Answer 1

Best and fastest has to be the train:
Takes two hours and runs every two hours.
http://www.voyages-sncf.com/dynamic/_SvHomePage?_DLG=SvHomePage&_CMD=cmdHomepageUK&WB=HP&rfrr=4685ac17fd2e7656e4918c53b246a3f7

There might be a bus connection too, but their website is down at this moment.
You might be able to find out more from this international site:
http://eurolines.com/