The phrase "a final glimpse of" is correct and usable in written English.
It can be used when referring to the last opportunity to see or experience something before it is gone or changed.
Example: "As the sun set over the horizon, we took a final glimpse of the beautiful landscape before nightfall."
Alternatives: "a last look at" or "a concluding view of".
They give colleges a final glimpse of a full year of your academic work.
He caught a final glimpse of his master being swarmed over by rebels.
When directors stage the passage, they often use it to give a final glimpse of Wotan and Fricka's marriage.
She caught a final glimpse of them, Tiny carrying her head up & wearing an air of genuine virtue, & the two old ladies chatting amiably.
All those lovely memories of faces glued to tiny holes trying to get a final glimpse of a lover or family members before departing will be redundant.
A departure and a return: In the legend of Moorish Spain, Boabdil, the last Muslim ruler of Granada, is said to have paused on a ridge for a final glimpse of the realm he had just surrendered to the Castilians.
Then the clouds parted again, long enough for everybody to get a good final glimpse of Venus crossing the Sun's edge, appearing like a black half-circle taken out of the Sun.
There followed a montage of action, with a brief flash of Ultron in all his Terminator-esque robotic glory, before a final glimpse revealed the shattered bodies of Avengers strewn across a rocky plateau in space.
Several of those in Flushing on Saturday brought their children for a final glimpse.
An empty factory, a German zeppelin hanger and New York City's giant Pepsi-Cola sign shot from the Queens side are seen in ghostly irradiated states that suggest the final glimpse of a world before it went up in smoke.
At a distance of a dozen rectangles and one year, Sís illustrates Darwin's final glimpse of one of the three in a canoe, naked, wild-haired, a "lonely figure waving".
