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1 Bedroom Apartments for Rent in O'Fallon, IL

1 Bedroom Apartments for Rent in O'Fallon, IL. 122 Rentals Available
122 Rentals Available
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Frequently asked questions

What is the price range for a 1-bedroom apartment in O'Fallon, IL?

The price range for a 1-bedroom apartment in O'Fallon, IL is between $1,475 and $2,436.

How many 1 bedroom apartments for rent are available in O'Fallon, IL on RentCafe?

There are 21 1 bedroom rentals available on RentCafe. Prices and availability in O'Fallon, IL were last updated on 21 Jun 2026.

What is the average size of a 1 bedroom apartment in O'Fallon, IL?

The average O'Fallon, IL 1 bedroom apartment size is 781 sq. ft.

What are the advantages of renting a 1 bedroom apartment in O'Fallon, IL?

Renting a 1 bedroom apartment comes with more living and storage space compared to a studio apartment.

What are the downsides of renting a 1 bedroom apartment in O'Fallon, IL?

1 bedroom apartments are usually more expensive than studio apartments in terms of rent and utility costs.

Renting a 1 bedroom apartment in O'Fallon, IL

One bedroom apartments in O'Fallon, IL are typically 1,018 Sqft in size and the monthly rent is $1,440, on average. With 122 apartments listed for rent, it’s best to narrow down your choices before you begin your search. If you’re only interested in cheap one bedroom apartments, you can filter your search results by setting a maximum price. If you’re looking for a one bedroom furnished apartment, you can check the box "furnished" under amenities. There are many other options and filters you can apply to your search to streamline the process and find your next apartment faster and more efficient. Is a luxury rental more your style? If you sort your search results by rent descending, you will notice that the most expensive rental in O'Fallon, IL right now costs $2,472 per month. So many choices, so little time.

Your search for a cheap 1 bedroom apartment ends here

The city of O'Fallon, IL is a great place to call home. Among its many great qualities, it has a variety of rental housing options. One of the most popular choices for O'Fallon, IL's singles and couples are single bedroom apartments. They’re an upgrade from a studio in the sense that they offer more square footage, a separate bedroom, and more room to entertain. They’re also typically more expensive. But with a little diligence and some smart search tools, you can get around that problem. To find an affordable 1 bedroom, sort your search by price, ascending. The lowest priced apartment in O'Fallon, IL right now has an asking rent of $697. One bedroom efficiency apartments are a great choice as well. Though they may be smaller than a traditional one bedroom apartment, they’re definitely cheaper and you’ll still be able to enjoy the privacy of a separate bedroom.