Teach a Pokemon Fly after obtaining the HM and choose fly when you select the Pokemon.
You can fly there or go west.
Cianwood city after defeating chuck
dont need one just fly to pkmn league and then u can fly to any reigon/city
you get hmfly in heartgold after beating chuck the 5th gym leader who uses fighting type in cianwood city..
you get it at Cianwood city. Beat the leader (chuck) His wife outside will give you the HM.
No Gastly cannot learn fly in Pokémon HeartGold.
you need to fly to goldenrod city and battle team rocket in the radio tower
Obtain it from a gym leader.
yes you can. you can fly back to the indigo plateau and then you can enter the Pokemon leagues again.
The Light house is at Olivine city. First use HM Fly and fly to "Olivine City". When you get there walk down to the bottom right corner of Olivine city and there's the light house.
with ship or go poke center and fly to another city with a Pokemon known fly
same just touch screen.