From the Chemin du Puy to Corsica - how to do on a budget?

In June we will continue a section hike of the Chemin du Puy. From either Figeac or Cahors we can grab a train...but to where? We'd like to spend a week in Corsica after our hike. I believe there are ferries from Nice and Marseilles, but would it be more economical to just train to Toulouse or (back) to Lyon and fly to the island? Thanks for any help.

I think you are right, Newfy. I happened to look at the website for the airport in Toulouse and found that Easyjet flies to Bastia from there. Not expensive. I admit I have spent most of my time poring over the details of our hike on the Chemin du Puy, so I will start researching our side trip to Corsica shortly. In the meantime, any info on the following would be welcomed, keeping in mind that this will probably be our only visit to Corsica...

1. How much time should we allocate?
2. Can/should we start and return to Bastia easily? (We would return to Toulouse from Bastia and then fly back to Montreal from there.)