Best Mature Time Travel Fanfics
The 25 most-loved mature time travel fanfics on AO3, ranked by kudos. The excitement of different time periods, the complexity of temporal paradoxes, and the possibility of fixing past mistakes or finding love across time.
Top 25 Mature Time Travel Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with time travel and rated Mature.
The Darkening of Your Soul
by Maeglin_Yedi
Harry is betrayed. Harry gets a second chance to do it all over again.There is just one catch. If Harry gets to keep his memories from his previous life, so does Voldemort.
Harry Potter and the Shadowed Light
by WritingbyAnnie
After the final battle Harry learns some unsettling truths about himself and those who he trusts the most. Forced to come to terms with the revelations, Harry decides to get even with those who've wronged him and embrace who he his by going back to when it all started.
Harry Potter and the Greatest Show
by shadowscribe
The last real thing Harry remembers is standing across from Voldemort and watching the killing curse fly at his face.Then he visited a fluffy white limbo that somewhat resembles King Cross Station and instead of choosing to move on or go back he does something else entirely.And wakes up in his cupb
you belong to me (i belong to you)
by Child_OTKW
“What I find absolutely fascinating,” Riddle said, stalking closer, “is you.” He marched forward, backing Harry up until he was pinned to the cool wall of the common room. “Do you know why?” “No. And I’ll be honest here, Riddle, I don’t particularly care.” The taller boy grinned at him, small
a turn of the earth
by microcomets
Dean’s your typical half-orphaned, monster-killing 22-year-old until a trenchcoated stranger crashes into his back windshield one September night, claiming he’s an angel that knows him from the future and that he’s on the run. Frigging fantastic. (Or, in which Castiel gets stuck in Dean’s timeline p
Terrible, But Great
by Isalise
“Harry Potter.” The cold burrowed into his flesh; the scent of cloying death and molding earth clogged his senses. “The Boy Who Lived.” A strange sense of unimaginable loss and disappointment rose inside of Harry. That brilliant, yet cruel boy could’ve been so much more if he’d not stepped
Draco Malfoy and the Talon Brand
by starbrigid
A man is dead at Draco Malfoy's hands, and the consequences will reverberate for Sirius, for Harry, for the wizarding world entire, and, most of all, for Voldemort. It is not so easy, though, to forsake his parents and his old friends in Slytherin, as he is forced to choose what he will become and w
Wants and Needs (Well, Mostly Wants)
by Rhiw
Tim wakes up inexplicably in his two-year-old body. Which: odd. But just think, how many people would kill to have an opportunity to redo their life! And Tim has so much he wants to change, so much he wants. He wants to feel important to Bruce. He wants to be Dick's favorite. He wants Jason (his chi
Satellite
by SpicyReyes
A rogue alchemist, desperate to restore the alchemy of the famous Fullmetal Alchemist, pushes Truth into playing a new game - one that has Edward Elric waking up on the floor of his house where a transmuted abomination should have been, just in time to save his younger self and brother. He might hav
Lightning Only Strikes Once
by fiona_249
Consumed by grief, Clarke climbs Lexa's tower, not really thinking through what she plans to do. But any plans get taken away when she's struck by lightning, mysteriously transporting her back to before any of it happens. Back in her cell on the Ark, Clarke remembers exactly what went wrong - and my
Back Again
by Brenna1918
What is Light to do when he wakes up after his life as a Shinigami is over, only to find himself with both his memories and his life back to the way it was before...with the Death Note in his school bag?
Relativity.
by Ideasofmarch
"We would like to give you a chance.”“A chance?”“That’s right.”“A chance at what?”“Why, at living, Mr Potter.”-When Harry Potter is approached by a mysterious third party organisation that offers him the chance of a lifetime, he finds himself flung five decades into the past with a new name, new pa
Yesterday is Tomorrow (everything is connected)
by IAM_Kneazle (twicethet)
James Potter went five years at Hogwarts without realizing Lily had a little sister. Hermione would have preferred it if he never realized she existed. Now she's stuck, in Potter's circle of awareness, and maintaining the timeline. Not like he makes it easy, or something. April 2026. Now complete.
and I Looked Back on a Broken World
by raziella
“This is the most stupid thing you’ve ever done!” Hermione yells after Harry. Then she blinks. They’re no longer at Grimmauld Place and, sitting huddled together on a familiar four-poster bed with red hangings, are four teenaged boys, staring avidly at them. Well, this is just brilliant, she thinks.
A Life Without Regrets
by naqaashi
After his death at the first siege of the Burial Mounds, Wei Wuxian is thrown back in time to when he was nine years old, just before Jiang Fengmian took him to Lotus Pier with its wavering affection and unpayable mountain of debts. He decides to take the second chance he has been offered, to live f
L’appel du vide
by Xov
Akechi Goro is alive – one of his biggest regrets is alive and standing in front of him looking like he’s ready for some highbrow sports photo shoot when what he really needs is five years intensive therapy and at least five more steps away from Akira.No, no, no – the universe is not allowed to shov
The Life Before My Eyes
by Anonymous
Luffy smiled, “My treasure? You can have it, if you can find it. But you’ll never be able to.” Blades cut into his neck, and the mighty Pirate King took his last breath. And then he woke up. Or: Pirate King Monkey D. Luffy travels back in time. He decides he's going to mix things up. This sh
i blinked (and there you were)
by Della19
The Weeping Angels, Eggsy reads on the stolen Torchwood intel. Aliens that pose as statues, and kill their victims by sending them back in time and feeding off their years not lived in the present. The politest psychopaths in the universe, a note reads, scrawled in what looks like a doctor’s chick
His Empire of Dirt
by pearlandpine
Michael Afton falls in a ball pit while trying to put his father down for good.When the hell did he wake up in the the 1950s and become William Afton's imaginary friend?orMichael Afton accidentally travels back in time and tries to stop his father from becoming the man behind the slaughter._________
Chained
by maquira
Harry accidentally time travels to 1979, where he gets captured by the Order of the Phoenix. There's a catch — from the moment they set eyes on Harry's Dark Mark, they despise him.* “Finally awake… Death Eater?” the man spat spitefully. Harry never would have imagined meeting like this. The words
Hold Tight and Pretend It's a Plan
by Rynna_Aurelius
Olympus has fallen.The second Gigantomachy has ended far differently than the first, and in Gaea's triumph, the world has been torn apart. But the Fates have seen what ends their failed meddling have brought, look on at the dead—and undo what should never have happened the only way they possibly can
What In Me Is Dark, Illumine
by telelli
“Abashed the Devil stood, and felt how awful goodness is, and saw virtue in her shape how lovely: saw, and pined his loss."-John Milton, 'Paradise Lost' In September of 1942, Tom Riddle is a brilliant, bitter schoolboy on the precipice of becoming a monster. Already wearing his first Horcrux around
Second Chances
by TylerReed
Ilya Rozanov's life takes an unexpected turn when a deadly plane crash in 2021 takes his life, right after a fight with his long-time partner, Shane Hollander. Though instead of the afterlife, Ilya is sent back to December 2008, just before his NHL career began, on the very day that he first met Sh
A Second Time Around
by ratclanqueen
ON HIATUS - I DO NOT KNOW WHEN I WILL UPDATE THIS FIC NEXT"I know this is hard for you to understand but we have already lived this life once. The Gods are blessing us. I saw this before the Night King broke through the Wall. We have been reborn into our bodies before Jon Arryn's murder with our mem
One Day in Volterra
by UnholySpectacle
Bella Swan thought she had already lived through all of this vampire nonsense and put it behind her. She'd built a (mostly) happy, productive life for herself. However, when she dies in a car accident under mysterious circumstances, she finds herself back in her teenage body, running off to save Edw
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About This List
This list of 25mature Time Travel fanfics spans 4,267,699 total words. Kudos range from 8,164 on the newest entries to 47,910 on the most established. 48% are marked complete — check the status flag before committing to a longfic. The most common rating is Mature (25 of 25 fics).
Recurring tags across this list: Time Travel · Time Travel Fix-It · Alternate Universe - Time Travel · Slow Burn · Alternate Universe - Canon Divergence.
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