There's an option for the Lesson activity under Appearance then click Show more…, Link to next activity which allows you to specify the next activity. If you select the next lesson this appears as a link on the End of Lesson page, e.g.:
Re: Being returned to course homepage after lesson completion
by Leon Stringer -
Number of replies: 1
In reply to Leon Stringer
Re: Being returned to course homepage after lesson completion
by Sam Carden -
Thanks for this- not sure how I missed it!