Flying enemies are enemies that can move freely in both x and y axis while in air. Some of them can be difficult to fight, especially before Hardmode, before the player can obtain wings. These enemies can be more easily fought with ranged weapons like guns and bows.
Pre-Hardmode Flying Enemies[]
Antlion Swarmer
Arch Demon
Bee
Cave Bat
Creeper
Crimera
Cursed Skull
Demon
Demon Eye
Dragon Skull
Drippler
Dungeon Guardian
Eater of Souls
Flying Fish
Flying Snake
Ghost (enemy)
Granite Elemental
Harpy
Heavenly Slime
Hellbat
Hornet
Ice Bat
Jungle Bat
Meteor Head
Mushi Ladybug
Mythical Wyvern
Raven
Servant of Cthulhu
Spore Bat
Voodoo Demon
Vulture
Wandering Eye Fish
Hardmode Flying Enemies[]
Ancient Vision
Angry Nimbus
Arch Wyvern
Baby Mothron
Blood Eel
Brain Suckler
Corite
Corruptor
Crawltipede
Crimson Axe
Cursed Hammer
Dungeon Spirit
Elf Copter
Enchanted Sword (NPC)
Floaty Gross
Flocko
Flow Invader
Gastropod
Giant Bat
Giant Cursed Skull
Giant Flying Fox
Ice Elemental
Ichor Sticker
Illuminant Bat
Lava Bat
Martian Drone
Martian Probe
Moss Hornet
Moth
Mothron
Nebula Floater
Parrot
Phantasm Dragon
Pigron
Pixie
Poltergeist
Probe
Reaper
Red Devil
Servant of Ocram
Shadow Hammer
Shadowflame Apparition
Slimer
Spectral Gastropod
Vampire
Wandering Eye
Wraith
Wyvern