Butterfly dreams symbolize beautiful change and new beginnings. A colorful butterfly flying among flowers means joyful events and rising popularity. A butterfly flying toward you predicts a good connection or luck coming your way. White butterflies symbolize purity, while colorful butterflies represent diverse luck and opportunity.
Animals appearing in dreams — as in "Butterfly Dream" — often symbolize instinct or a suppressed impulse in Jung's theory of Archetypes. The specific animal and the emotion it evokes in you both shape the meaning far more than a generic dream dictionary entry can.
What was the first emotion you felt when you saw that animal in the dream?