Chuck's Wife (in front of the gym) Will give you Fly after you beat Chuck
I'm inferring you meant Landorus. You'll need Tornadus from the Pokemon Black version and Thundurus that you would have in Pokemon White, then take them to Abundant Shrine and interact with the shrine. Landorus will fly down to encounter you.
the hm fly will be give by bianca after you finish your battle to clay
6, cut, fly, surf, strength, waterfall, and dive
In Cianwood City, after you beat the Gym Leader, speak to the woman standing just outside the gym, she will tell you that the Gym leader is her husband and all that and then she will give you the HM Fly.
You can find it at the Galactic Warehouse in Veilstone City.
You Use fly and just fly there
Assuming you mean the hm fly on Pokemon crystal, you get it from the lady out side of Cindawood gym.
Outside Cianwood City Gym.
It depends on the Pokemon game version. It is different every version.
Talk to the woman outside the Cianwood City Gym.
liquid crystal isn't actually a real Pokemon game
Driftveil City.
Go fly
liquid crystal isn't actually a real Pokemon game
You can use fly anytime you are outside.
You get it from a girl in Cianwood after you beat chuck.
After you beat Chuck, leader of the Cianwood City gym, talk to his wife who is walking in front of the gym. She'll give it to you.