The second-seeded Bouchard saved all four break points on her serve and won 28 of 33 first serve points in her 6-4, 6-3 semifinal defeat of Karin Knapp on Friday. The 19th-ranked Canadian will contest her second WTA final, having lost to Samantha Stosur in the Osaka final last October.
"She was playing really well," Bouchard said of Knapp. "I know she's capable of playing even better. It was a very solid match for me."
As for Pliskova, a day after recording her first Top 10 win over World No.9 Angelique Kerber, the Czech reeled off 10 consecutive games from a set and a break down en route to a 2-6, 6-1, 6-2 victory over No.4 seed Elina Svitolina.
"I started slow but after the first set I woke up and was more aggressive," Pliskova said. "I'm happy that I came back and won the second and third sets.
"I'm playing well here. I like the club. The people are nice. Everything's good."
Pliskova will be playing in her third WTA final on Saturday, having won Kuala Lumpur in 2013 and having been runner-up in Pattaya City earlier this year.
The one previous match-up between Bouchard and Pliskova was a thriller, with Bouchard pulling out a 4-6, 6-4, 7-5 triumph in the first round of the US Open last year.
"It was a really tough match at the US Open," Bouchard said. "She has a strong game and can play really well. I'm going to be prepared for that but am going to focus on my side of the net and what I need to do. I need to play my game. I improved from yesterday to today, which I'm happy about, but I want to do even better tomorrow."
The 20-year-old Bouchard is the second-highest ranked player without a WTA title after World No.16 Sloane Stephens. She came into Nürnberg on a three-match losing streak but has found her form this week and has yet to surrender a set.
Pliskova will also be competing in the doubles final, as she and Michaella Krajicek were 6-2, 7-6(7) winners over top-seeded Liezel Huber and Lisa Raymond in semifinal action. Their opponents on Saturday will be Raluca Olaru and Shahar Peer.