Higgins will face another in-form figure in the shape of Hong Kong's Marco Fu in Sunday's best-of-17 frame final after the man from Happy Valley made two back-to-back centuries in a 6-1 win over Yu De Lu in the second semi-final.
Yet Higgins will be equally bouyed by the state of his game after overcoming Trump at the Scottish city's Emirates Arena.
In one of the most enticing matches of the year, world number four Trump contributed breaks of 132, 70, 126, 99 and 112 to motor 5-1 clear against the world number three with Higgins doing little or nothing wrong as runs of 56 and 88 were only good enough for a solitary frame.
Rather than raise the white flag, Higgins – winner of the China Championship and Champions of Champions last month – showed peak form to drag himself back from the brink with Trump at one point going 55 minutes without potting a ball as Higgins restored parity at 5-5 courtesy of 110, a couple of 52 knocks and a strategic supremacy.
O'Sullivan: Higgins played the perfect snooker match
Scotsman Higgins - who defeated Bristol's Trump 18-15 for the last of his four world titles in 2011 - is one of the greatest tactical players to pick up a cue and when his opponent could only move 39-0 clear in the deciding frame, Higgins refused to panic, keeping matters tight until the match-winning opportunity presented itself.
After a short period of safety, an error by Trump in going for an ambitious long red enabled the man from Wishaw to piece together a glorious closing break of 68 after two hours and 29 minutes of absorbing play that Trump will wonder how he lost.
Judd Trump flukes bouncing green during century break
At the age of 41, Higgins is playing some of his sharpest snooker, and this will be recalled as one of his finest wins. He has enjoyed victories over Alan McManus, Ronnie O'Sullivan and Trump to reach the final, and will start as a warm favourite to collect the £70,000 first prize.
“When it got to 5-3 I thought I had a little chance," said Higgins, who also recovered from trailing 7-2 to edge Trump 10-9 in the Shanghai Masters final four years ago.
There was professional pride for me, playing here in Scotland in front of my friends and family, so I wanted to make it as hard as I could for him. During the break in the last frame I was shaking like a leaf.
"I ran out of position and thought I had thrown it away but I potted a good red to a baulk pocket to keep it going."
Higgins will also move onto 29 ranking tournament wins since he turned professional in 1992 if he can claim the Scottish Open title, nudging him one clear of O'Sullivan and Steve Davis, 28 each, in the all-time list of winners. The retired Stephen Hendry remains out in front on 36.
Higgins shows his class under pressure
“I’m devastated. I didn’t do a lot wrong," said Trump.
"A couple of times John missed balls but left everything safe.
Every time I play him when I have a big lead he starts flying. He missed balls and made mistakes but he got away with it every time so that was frustrating. He made a good clearance in the last frame.”
World number 14 Fu was in dominant form on Saturday night contributing breaks of 72, 73, 100, 130 and 87 against an opponent who seemed nervous under the television cameras.
"Everybody knows how good John is. I can't wait for him to make mistakes," said Fu. "It's going to be tough in the final.
Marco Fu: 'I'm not sleeping well, I might watch Match of the Day'
"Yu De Lu was very nervous, and he told me that. I think you could tell he was nervous.
"The opposition is different tomorrow. John will punish me. I need to improve against John."
'It's absolutely brilliant' Higgins produces key pot under extreme pressure