Only in Ultra Sun & Ultra Moon
Gift: Poké Pelago
You won't find Flaaffy in the wild in this game — you get it as a gift or by evolving Mareep (Level 15).
Looking for Ampharos? It isn't found in the wild in this game — evolve Flaaffy (Level 30).
For the look, the best colour match is Love Ball or Heal Ball.
Evolution: Mareep → Flaaffy (Level 15) → Ampharos (Level 30).
Flaaffy in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)