Talk to the woman outside the Cianwood City Gym.
Assuming you mean the hm fly on Pokemon crystal, you get it from the lady out side of Cindawood gym.
Outside Cianwood City Gym.
Chuck's Wife (in front of the gym) Will give you Fly after you beat Chuck
liquid crystal isn't actually a real Pokemon game
Go fly
liquid crystal isn't actually a real Pokemon game
You can use fly anytime you are outside.
You Use fly and just fly there
In Pokemon Crystal.
What the hell is a Pokemon crystal
In Pokemon Crystal, the HM Fly can only be obtained after defeating the gym leader in Cianwood City. After winning the badge, speak to the woman standing out side of the gym. She will give the player Fly.
You can't find Charizard in Pokemon Crystal. You have to trade it from Pokemon Red, Blue, or Yellow.