Learnt by Level Up

These Pokémon learn Flail at the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Kingler	65	water
Goldeen	24	water
Seaking	24	water
Magikarp	30	water
Gyarados	1	water flying
Snorlax	1	normal
Totodile	22	water
Croconaw	24	water
Feraligatr	24	water
Chinchou	13	water electric
Lanturn	13	water electric
Sudowoodo	10	rock
Dunsparce	44	normal
Swinub	40	ice ground
Piloswine	1	ice ground
Corsola	52	water rock
Phanpy	17	ground
Donphan	17	ground
Zigzagoon	33	normal
Linoone	38	normal
Lombre	1	water grass
Ludicolo	1	water grass
Slakoth	43	normal
Vigoroth	1	normal
Slaking	43	normal
Torkoal	43	fire
Spinda	49	normal
Feebas	30	water
Milotic	1	water
Relicanth	1	water rock
Luvdisc	40	water
Wormadam Plant	38	bug grass
Bonsly	6	rock
Munchlax	44	normal
Lumineon	26	water
Mamoswine	1	ice ground
Uxie	61	psychic
Tympole	34	water
Palpitoad	37	water ground
Seismitoad	39	water ground
Sewaddle	43	bug grass
Basculin Red Striped	46	water
Dwebble	41	bug rock
Crustle	50	bug rock
Karrablast	49	bug
Escavalier	1	bug steel
Cubchoo	36	ice
Beartic	36	ice
Stunfisk	55	ground electric
Bunnelby	29	normal
Diggersby	31	normal ground
Fletchling	16	normal flying
Fletchinder	16	fire flying
Talonflame	16	fire flying
Spritzee	38	fairy
Aromatisse	38	fairy
Clauncher	16	water
Clawitzer	16	water
Carbink	35	rock fairy
Goomy	28	dragon
Sliggoo	28	dragon
Goodra	28	dragon
Diancie	35	rock fairy
Stufful	19	normal fighting
Bewear	19	normal fighting
Bounsweet	29	grass
Steenee	1	grass
Tsareena	1	grass
Komala	26	normal
Turtonator	17	fire dragon
Toxel	1	electric poison
Toxtricity Amped	1	electric poison
Basculegion Male	8	water ghost
Smoliv	16	grass normal
Dolliv	16	grass normal
Arboliva	16	grass normal
Tadbulb	25	electric
Bellibolt	25	electric
Klawf	37	rock
Cetoddle	25	ice
Cetitan	25	ice
Dondozo	10	water
Dudunsparce	1	normal
Wormadam Sandy	38	bug ground
Wormadam Trash	38	bug steel
Basculin Blue Striped	46	water
Diancie Mega	35	rock fairy
Stunfisk Galar	50	ground steel
Toxtricity Low Key	1	electric poison
Sliggoo Hisui	20	steel dragon
Goodra Hisui	20	steel dragon
Basculin White Striped	8	water
Basculegion Female	8	water ghost
Dudunsparce Three Segment	1	normal

Learnt through Breeding (Egg Moves)

These Pokémon learn Flail through Breeding (Egg Moves) at the level specified

Name ⇧⇩	Level ⇧⇩	Type ⇧⇩
Squirtle	0	water
Sandshrew	0	ground
Vulpix	0	fire
Oddish	0	grass poison
Paras	0	bug grass
Meowth	0	normal
Geodude	0	rock ground
Farfetchd	0	normal flying
Doduo	0	normal flying
Onix	0	rock ground
Krabby	0	water
Tangela	0	grass
Horsea	0	water
Pinsir	0	bug
Eevee	0	normal
Kabuto	0	rock water
Chikorita	0	grass
Pichu	0	electric
Pineco	0	bug
Qwilfish	0	water poison
Heracross	0	bug fighting
Remoraid	0	water
Lotad	0	water grass
Nincada	0	bug ground
Trapinch	0	ground
Zangoose	0	normal
Barboach	0	water ground
Piplup	0	water
Pachirisu	0	electric
Buneary	0	normal
Glameow	0	normal
Finneon	0	water
Patrat	0	normal
Tirtouga	0	water rock
Minccino	0	normal
Durant	0	bug steel
Togedemaru	0	electric steel
Pinsir Mega	0	bug flying
Heracross Mega	0	bug fighting
Pikachu Sinnoh Cap	0	electric
Sandshrew Alola	0	ice steel
Vulpix Alola	0	ice
Meowth Alola	0	dark
Geodude Alola	0	rock electric
Togedemaru Totem	0	electric steel
Meowth Galar	0	steel
Farfetchd Galar	0	fighting
Qwilfish Hisui	0	dark poison