"to fly off, to take a flight" is Полететь in Russian.
Полететь means "to fly off, to take a flight" in English.
Listen to the pronunciationWord #3170 of 4,000 by frequency in Russian — level B2.
Завтра мы должны полететь в Лондон рано утром.
Tomorrow we must take a flight to London early in the morning.