Cheap Apartment For Rent In Miami Florida . Additionally, the average nightly price of apartment rentals there is $415, and the average size is 1,220 ft².moreover, this specific type of property is an excellent option for. Miami fl cheap apartments for rent. Pier 19 Apartments For Rent in Miami, FL from www.forrent.com $800 67% below avg price. We found 3887 cheap, affordable apartments for rent in miami, fl on realtor.com®. As of june 2022, the average apartment rent in miami, fl is $2,303 for a studio, $1,628 for one bedroom, $2,070 for two bedrooms, and $4,509 for three bedrooms.