【Escape】 ,  【flee】 ,  【fly】 ,  【decamp】 ,  【abscond】  mean to run away especially from something which limits one’s freedom or threatens one’s well-being.

【Escape】 so stresses the idea of flight from confinement or restraint that it very often conveys no suggestion of wrongdoing or of danger.

【Flee】 implies haste and often abruptness in departure. It often connotes disappearance, especially when extended to things.

【Fly】  is interchangeable with  【flee】 but its use is restricted in idiomatic English to the present tense.

【Decamp】 usually suggests a sudden departure to elude discovery or arrest; it commonly carries a disparaging or belittling connotation.

【Abscond】  adds to  【decamp】 the distinctive implications of clandestine withdrawal and concealment usually to avoid the consequences of fraudulent action.