Flash and Supergirl Crossovers
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Call me Kara by SpeedForce 1229 reviews
Betrayed by her own world and left for dead an old friend arrives to save Kara from death. Deciding she has had enough of risking her life for others, Kara starts a brand new life with new love and new friends, leaving Supergirl behind forever.
Rated: T - English - Romance/Adventure - Chapters: 62 - Words: 635,925 - Reviews: 1612 - Favs: 2,003 - Follows: 1,373 - Updated: 12/3/2016 - Published: 4/11/2016 - Barry A./The Flash, Kara D./Supergirl - Complete
My First Kiss by fabargent reviews
Before there was The Flash. Or before there was Supergirl. Before the aliens and the drama. It was just Barry, Kara and a bottle. (Completely AU Highschool!Superflash one-shot)
Rated: K - English - Romance/Humor - Chapters: 1 - Words: 1,983 - Reviews: 15 - Favs: 47 - Follows: 22 - Published: 11/30/2016 - Barry A./The Flash, Kara D./Supergirl, Alex D. - Complete
Welcome to Earth-1 by fabargent reviews
After losing her powers but being able to stop an armed robbery, Kara is on a personal high. That however changes when she is suddenly brought to Earth-1 by the scarlet speedster known as The Flash. Powerless and in an unknown world, Kara must learn to trust in strangers and work on how to fit in.
Rated: T - English - Humor/Adventure - Chapters: 8 - Words: 27,620 - Reviews: 126 - Favs: 105 - Follows: 162 - Updated: 11/25/2016 - Published: 8/12/2016 - Barry A./The Flash, Dr. Caitlin S., Cisco R., Kara D./Supergirl
It's Called Fate by Kara-Anne.Laurel reviews
Kara and Barry's universes collide, sending them back in time. The two are forced to meet again, as students. Welcome to the awkwardness that is middle school.
Rated: T - English - Chapters: 2 - Words: 1,364 - Reviews: 11 - Favs: 19 - Follows: 25 - Updated: 11/18/2016 - Published: 11/15/2016 - Barry A./The Flash, Iris W., Kara D./Supergirl, Alex D.
No Just No by sharingstories2 reviews
She's an alien from another universe and he's the fastest man alive... What could go wrong?
Rated: K+ - English - Romance/Humor - Chapters: 3 - Words: 1,544 - Reviews: 2 - Favs: 27 - Follows: 21 - Updated: 10/28/2016 - Published: 10/22/2016 - [Barry A./The Flash, Kara D./Supergirl] - Complete
Loving you hurts by sharingstories2 reviews
Universes apart, kara and Barry experience the pain of love.
Rated: K+ - English - Romance/Angst - Chapters: 2 - Words: 670 - Reviews: 3 - Favs: 18 - Follows: 7 - Updated: 10/28/2016 - Published: 10/21/2016 - [Barry A./The Flash, Kara D./Supergirl] Det. Joe W., Clark K./Superman - Complete
Stars and Garters by DJ Rocca reviews
When Lucy Lane goes into hiding from the military at the Stein Estate working at his Casino, she loses herself to the new life she builds for herself. Under his protection, she is safe from the evil that plagues the Lane name. Kara Zor-El is comes to Earth to join her cousin in his fight to protect humanity. As the girls become entranced with one another, the walls...
Rated: T - English - Drama/Sci-Fi - Chapters: 1 - Words: 2,603 - Reviews: 1 - Favs: 1 - Follows: 3 - Published: 10/23/2016 - [Lucy L., Kara D./Supergirl] [Jay G./The Flash, Lisa Snart/Golden Glider]
The Flash & Supergirl: The Last Daughter of Krypton by TheSuperFlarrowVerse reviews
After regaining his powers from Blackout, the Scarlet Speedster is running once more. Everything is as usual until a woman with powers never before seen flies into his life and turns it upside down.
Rated: T - English - Drama/Romance - Chapters: 7 - Words: 16,347 - Reviews: 24 - Favs: 70 - Follows: 73 - Updated: 10/21/2016 - Published: 9/29/2016 - Barry A./The Flash, Kara D./Supergirl - Complete
World's Finest Returns by DfangOO reviews
Kara will never forget her meeting with Barry Allen, the Flash from another earth. Now she is about to meet the Flash of her earth.
Rated: T - English - Chapters: 2 - Words: 3,664 - Reviews: 11 - Favs: 52 - Follows: 63 - Updated: 10/17/2016 - Published: 10/15/2016 - Barry A./The Flash, Kara D./Supergirl
The Flash: Adventures of Barry and Lucy by cornholio4 reviews
What would happen in the first season of getting Flash if the shwos shared an Earth with Supergirl and prior to season 1 Barry was married to Lucy? A story showing what could have happened during events of the Flash and Supergirl.
Rated: T - English - Romance/Humor - Chapters: 2 - Words: 1,808 - Reviews: 8 - Favs: 33 - Follows: 30 - Updated: 10/10/2016 - Published: 9/25/2016 - [Barry A./The Flash, Lucy L.]
Time to Return the Favor by NY-Yellow-Cab reviews
You have to read Two Heroes But Only One Goal first ! ... After what happened with Zoom, it is time for Barry and his team to take some vacation, so a little trip to National City could be a good idea but it could have been if a vilain didn't attacked the city.
Rated: T - English - Sci-Fi/Humor - Chapters: 1 - Words: 3,901 - Reviews: 2 - Favs: 19 - Follows: 12 - Published: 10/10/2016 - Barry A./The Flash, Cisco R., Kara D./Supergirl, Alex D. - Complete
Travel to Any Universe for You by Rainbow820 reviews
Barry goes to visit Kara on Earth 3. Barry/Kara. Flash/Supergirl. Rated KPlus for now.
Rated: K+ - English - Romance/Adventure - Chapters: 8 - Words: 11,413 - Reviews: 37 - Favs: 118 - Follows: 127 - Updated: 9/28/2016 - Published: 5/15/2016 - [Barry A./The Flash, Kara D./Supergirl]
Chasing Love by PhantomPoet1999 reviews
After the events of Myriad and Zoom, Barry realizes his feelings for Kara and goes back to her universe to see her. They build a relationship and some villains get in the way. There also may be a new character added in later chapters.
Rated: M - English - Romance/Adventure - Chapters: 7 - Words: 12,569 - Reviews: 23 - Favs: 70 - Follows: 73 - Updated: 9/23/2016 - Published: 4/27/2016
World's Newest by turambar499 reviews
This is a "What if?" story that explores how Barry and Kara might have interacted had they existed in the same universe and become superheroes at around the same time. I like to think of it as yet another one of the Earths chugging along in the multiverse: largely the same except when it's not.
Rated: K+ - English - Adventure/Romance - Chapters: 10 - Words: 18,567 - Reviews: 33 - Favs: 116 - Follows: 89 - Updated: 9/18/2016 - Published: 8/21/2016 - Barry A./The Flash, Kara D./Supergirl - Complete
A New Karry- A Karry Universe Spin-off by CharmedMilliE- Karry Master reviews
Barry finds himself distracted from Zoom when he leaves to find Kara's counterpart on his Earth. But when he does find her, she's a very different Kara to the one he met. There's more to Kara Kent and the little town of Smallville than meets the eye. Is Barry ready for this? Are Barry and Kara meant for each other the same way their counterparts are? Part of the Millma Verse.
Rated: T - English - Romance - Chapters: 5 - Words: 13,546 - Reviews: 93 - Favs: 210 - Follows: 143 - Updated: 8/25/2016 - Published: 7/28/2016 - Complete
In Another Life by AzarathEstelle reviews
When Barry's attempt to save Caitlin takes them out of their world, will they ever make it home again? Rated T to be safe. Possible Snowbarry. Possible Alex/Maxwell.
Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 6,838 - Reviews: 25 - Favs: 44 - Follows: 75 - Published: 8/17/2016 - Barry A./The Flash, Dr. Caitlin S., Kara D./Supergirl, Alex D.
Amor Super Veloz by daianakawaiicute
¿Siempre has soñado con tener poderes? ¿Que pasaría si una explosión te alcanzara y un día te levantaras con ellos? ¿Que pasaría si no los controlas y la gente empieza a temerte?. Esta es mi historia , la historia en la cual tengo poderes, encontré el amor y gente que desea mi muerte ¿Quieres saber mas? Entra y lee
Rated: M - Spanish - Supernatural/Romance - Chapters: 4 - Words: 5,791 - Favs: 1 - Updated: 8/16/2016 - Published: 7/28/2016 - Barry A./The Flash, Iris W., Cisco R.
Семья супергероев by daphneza
Семейная жизнь Барри и Кары не так уж сильно отличается от других: проблемы, ссоры, воспитание детей - все это также касается и их, как обычных земных людей. Как же сохранить этот хрупкий баланс, учитывая, что преступникам абсолютно плевать, что сейчас происходит у тебя на личном фронте.
Rated: K+ - Russian - Drama/Angst - Chapters: 2 - Words: 1,837 - Favs: 1 - Follows: 2 - Published: 8/3/2016
An Interdimensional Meet by fmfan1980 reviews
This story takes place after the Flash episode 'Flash back', and after Supergirl episode 'Manhunter'. This is my take on the cross-over. This story goes AU as far as Supergirl is concerned after 'Manhunter'. This is my first Supergirl/Flash X-over, and I hope it stays true to the characters. Please review.
Rated: T - English - Chapters: 15 - Words: 64,818 - Reviews: 98 - Favs: 243 - Follows: 193 - Updated: 7/22/2016 - Published: 4/19/2016 - Barry A./The Flash, Kara D./Supergirl - Complete
Up Until Dawn by TheGodOfBlueCookies reviews
After moving in to the college dorm with tech nerd Cisco he finds he has a very unexpected type of neighbour with more than one surprise. Follow as the young couple have to deal with demons from each other and much worse... College. This is a Karry fanfic ( Kara x Barry )
Rated: K+ - English - Romance/Friendship - Chapters: 8 - Words: 24,422 - Reviews: 35 - Favs: 46 - Follows: 57 - Updated: 7/21/2016 - Published: 5/16/2016 - Barry A./The Flash, Cisco R., Kara D./Supergirl, Alex D.
A Dimension Apart by AcceptYourFate reviews
Story starts after Barry and Kara defeat Livewire and Silver banshee. Barry returns home only to realise he may need Kara's help to save his friends, only to realise when she gets there that he has feelings for her. Will that affect his mission, or simply aid it? Barry also has to come to terms with the fact that he's not the only speedster anymore.
Rated: T - English - Humor/Sci-Fi - Chapters: 20 - Words: 32,228 - Reviews: 40 - Favs: 54 - Follows: 50 - Updated: 7/3/2016 - Published: 6/13/2016 - Barry A./The Flash, Wally W., Hunter Z./Zoom, Kara D./Supergirl
Crossing Worlds by REDtorical reviews
"It can never be just 'nothing' in this city, Kiera. Plenty of strange things happen around here on a regular basis." In National City, all sorts of strange things happen, but when a dimension-travelling speedster reawakens a villain's vendetta, the city is thrown into a state confusion. Supergirl must decide if this new hero is a threat or an ally. Barry must find a way home. (AU)
Rated: T - English - Adventure/Drama - Chapters: 11 - Words: 26,675 - Reviews: 29 - Favs: 96 - Follows: 142 - Updated: 7/1/2016 - Published: 2/25/2016 - Barry A./The Flash, Kara D./Supergirl - Complete
The League by Lord of House Doofenshmirtz reviews
The Flash, Supergirl & Green Arrow face their greatest challenge yet, but they may not have to face it alone.
Rated: T - English - Adventure - Chapters: 7 - Words: 63,538 - Reviews: 9 - Favs: 41 - Follows: 37 - Updated: 6/27/2016 - Published: 3/7/2016 - Barry A./The Flash, Oliver Q./The Arrow, Kara D./Supergirl, J'onn J./Martian Manhunter - Complete
To You, Always by Farewells reviews
/ - And Barry Allen knows, there will come a day, when he'll have to choose between risking the fate of both their worlds, and the chance to see Kara Danvers for just one more day. - / In which they're madly in love and more, but are separated by worlds and dimensions apart.
Rated: T - English - Romance - Chapters: 4 - Words: 3,823 - Reviews: 27 - Favs: 69 - Follows: 69 - Updated: 6/7/2016 - Published: 4/3/2016 - [Kara D./Supergirl, Barry A./The Flash]
The Flash and Supergirl: Dancing in the Sky by Lycanboy666 reviews
After Patty breaks up with Barry he decided to visit an old friend in National City: Kara Danvers aka Supergirl. Will Kara and Barry find something new in each other, something beyond friendship. (Barry/Kara)
Rated: T - English - Romance/Friendship - Chapters: 3 - Words: 3,116 - Reviews: 48 - Favs: 121 - Follows: 97 - Updated: 5/30/2016 - Published: 12/24/2015 - Barry A./The Flash, Kara D./Supergirl - Complete
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