I am planning to travel from Liege to Paris. The Thalys (train) has this route direct but although they announce very good prices, if bought in advance, I can never find them on the Thalys website.
Traveling by bus just takes too long. I am not even sure there is a direct connection. At least I couldn't seem to find one. Using a bus would probably require traveling first to Brussels probably.
Are there any other ways of combining trains to arrive in Paris, as a compromise between the expensive Thalys and the snail bus?
Any other alternatives that might sound interesting are welcome (Eg: how to get the cheapest fare in Thalys or a direct bus connection from Liege).