Flying from Mumbai International Airport is set to become costlier from next financial year with the airport operator Mumbai International Airport Limited (MIAL) proposing a steep hike of Rs 463 in User Development Fee for international passengers, while domestic passengers will be charged a UDF of Rs 325, reported the PTI.

At present, international passengers are charged a User Development Fee (UDF) of Rs 187, which has been proposed to be raised to Rs 650, while the domestic passengers don't have to pay any such fee.