Exeter will face Wasps in the English Premiership after they beat Bath in the semi final on Saturday.
The two sides will meet in the final on the 24 October at Twickenham.
Bath had a strong start to the game but it was Johnny Hill’s try that put Exeter ahead. Bath closed the gab with two penalties from Priestland but Cowan-Dickie extend the lead for Exeter again with their second try of the match.
It was Stuart Hogg and Hill’s second try that sealed the win and their place in the final before Devoto scored their last try.
Exeter will also play in the European final against Racing 92 on the 17 October giving them the chance to do the double this year.
|Exeter Chiefs (14) 35|
|Tries: Hill 2, Cowan-Dickie, Hogg, Devoto Cons: J Simmonds 5|
|Bath (6) 6|
|Pens: Priestland 2|