What are all the Flying-type Pokemon that can be obtained in Crystal without trading?

Question

I am the grunt of the third and best villains team of Hoenn, Team Sky, whose leader is Micheal (MandJTv) and our goal is to conquer the skies of every region. And I am going to Johto to conquer the sky of Johto and wanted to know all the Flying types available without trading.

Comments

https://pokemondb.net/pokedex/game/gold-silver-crystal You can Ctrl + F "Flying" in your browser and thus it can be found in the site....

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That page doesn't have detail about Pokemon that can only be found through trades.

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I did not get what you meant Fizz, doesn't this question ask for those who can be obtained without trades?

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That page gives no way to be sure that each of the Flying-types can be obtained without trading, so it's reasonable to have this question that gives clarity on such things.

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Oh OK.

Answer 1

• Pidgey (Routes 1, 2, 5, 25, 29, 30, 31, 32, 34, 35, 36, and 37, National Park, Ilex Forest)
• Pidgeotto (Route 2 at day time, Routes 5, 8, 11, 13, 14, 15, 25, 37, 38, 39, and 43)
• Pidgeot (Evolve Pidgeotto)
• Spearow (Routes 3, 4, 7, 9, 10, 22, 33, 42, and 46, Azalea Town, Routes 33, 42, and 44 [Headbutt trees], Route 35 [Received from Randy]
• Fearow (Routes 9, 10, 16, 17, 18, 22, and 42)
• Hoothoot (Routes 1, 2, 5, 25, 29, 30, 31, 32, 34, 35, 36, and 37, Ilex Forest, National Park, Routes 26, 27, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 43, Ilex Forest, National Park, Lake of Rage [Headbutt trees])
• Noctowl (Routes 2, 5, 8, 11, 13, 14, 15, 25, 26, 27, 37, 38, 39, 43, Ilex Forest [Headbutt trees])
• Butterfree (Routes 2, 24, and 25, National Park [Bug-Catching Contest], Ilex Forest [Headbutt trees])
• Ledyba (Routes 2, 30, 31, 36, and 37, National Park,
  Routes 29, 30, 31, 34, 35, 36, 37, 38, and 39 [Headbutt trees])
• Ledian (Routes 2 and 37)
• Zubat (Rock Tunnel, Whirl Islands, Mt. Moon, Dark Cave, Ice Path, Mt. Mortar, Union Cave, Tohjo Falls, Burned Tower, Slowpoke Well, Routes 3, 4, 9, 10, 30, 31, 32, 33, and 42)
• Golbat (Dark Cave [Blackthorn City side], Union Cave, Slowpoke Well, Mt. Mortar, Whirl Islands, Ice Path, Mt. Silver interior, Victory Road, , Tohjo Falls, Routes 28 and 42, Rock Tunnel, Mt. Silver entrance)
• Crobat (Evolve Golbat)
• Togetic (Evolve Togepi)
• Hoppip (Routes 11, 13, 14, 15, 29, 30, 31, 32, and 33)
• Skiploom (Route 14)
• Jumpluff (Evolve Skiploom)
• Gyarados (Lake of Rage, Fuschia City)
• Yanma (Route 35)
• Scyther (Safari Zone, Rocket Game Corner)
• Farfetch'd (Route 43)
• Natu (Ruins of Alph)
• Gligar (Route 45)
• Delibird (Ice Path)
• Skarmory (Route 45)
• Doduo (Routes 22, 26, 27, 28 and Mt. Silver)
• Dodrio (Routes 27, 28, Mt. Silver exterior
• Murkrow (Routes 7, 16)
• Dragonite (Evolve Dragonair)
• Lugia (Whirl Islands)
• Ho-Oh (Tin Tower)

Source
This lists all available Flying-types excluding those without trades, events and time capsules. Added locations from Bulbapedia so to confirm they're obtained without trade.

Hope this helps!