Collocations for flee - verb

abroad (esp. BrE), across the border, into exile
Hundreds of refugees fled across the border to escape the fighting.

north, south, etc.
in panic, in terror
The children fled in terror as the hay caught fire.

be forced to, have to
They were forced to flee the country.

try to
manage to
turn and flee
They turned and fled when they saw the gang approaching.

from
She dropped the phone and fled from the office.

into, to
They fled to Britain when the war started.

flee empty-handed
When the police arrived the burglars fled empty-handed.

flee for your life
She had to flee for her life when soldiers attacked her town.

flee like the wind
When danger threatens, collect your possessions and flee like the wind.

flee to safety
The family managed to flee to safety.

Flee is used with these nouns as the subject:
army, immigrant, refugee

Flee is used with these nouns as the object:
country, fighting, home, homeland, repression, scene