Translation of "Costlier" in French

It would be easy to find costlier restaurants, but not to find better ones.

Il est facile de trouver des restaurants plus chers, mais pas meilleurs.

Traveling to the southern states during the winter will be costlier than it is now.

Voyager dans les états du sud en hiver coûtera plus cher que maintenant.

- Is eating healthy more costly?
- Is it costlier to eat healthily?
- Does healthy eating cost more?

Est-ce que manger plus sainement coûte plus cher ?