Looking for an amazing deal on your next apartment in Saint Louis, MO? Move-in specials are limited-time offers that make renting more affordable, from reduced deposits to free rent for a month. With 384 properties to choose from, ForRent.com helps you find the perfect place with move-in specials designed to save you money. Start your search today and snag your dream rental. Finding cost-effective living options in Saint Louis, MO is made easier with 384 apartments for rent under $800. These budget-friendly rental options offer a variety of floor plans and amenities while adhering to your financial preferences. Opting for an apartment under $800 in Saint Louis means enjoying a balanced lifestyle where price does not compromise the quality of living.