Is there an easy way to access History list, than to type URL?
I think you mean if there is an easy way to navigate to the Default View for the History List, using the browser?
I believe the History List is a hidden list, so I don't expect you to find any hyperlinks pointing to it.
You could add the link yourself (i.e. add to quicklaunch), either through the UI or create a Feature if you want a more global and reusable solution.
The Workflow history list is hidden. But that doesn't mean you can't browse to it if you know the URL.
Will give you access.
You can also unhide the list temporarily with Powershell:
Then you can see the workflow history under View All Site Content at https:///_layouts/viewlsts.aspx
After you are done: