1 Bedroom Apartments for Rent in O'Fallon, MO (32 Rentals)

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Avenue64 Apartments
$1,495 - $1,830
Total Monthly Price

Total Monthly Price

Base Rent
$1,385 - $3,413
Required Monthly Fees
$110
Total Monthly Price
$1,495 - $3,523
1 Bedroom Apartments Available Now

Avenue64 Apartments

1000 Watermark DrO'Fallon, MO 63368
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The Art of the Rental Viewing: What to look for during a property tour

Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

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Amber Court Apartments
$945
Total Monthly Price

Total Monthly Price

Base Rent
$795
Required Monthly Fees
$150
Total Monthly Price
$945
1 Bedroom Apartments Contact Us For Availability

Amber Court Apartments

232 Amber Crest DrO'Fallon, MO 63366
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Bramblett Hills
1 Bedroom Apartments

Bramblett Hills

1000 Bramblett CrossingO'Fallon, MO 63366
Corporate Housing
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Hearthstone at Autumn Hollow
Rent Specials
$1,250 - $1,710
Total Monthly Price

Total Monthly Price

Base Rent
$1,235 - $1,740
Required Monthly Fees
$15
Total Monthly Price
$1,250 - $1,755
1 Bedroom Apartments Available Now

Hearthstone at Autumn Hollow

1000 Autumn Hollow CirWentzville, MO 63385
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Smart Renter's Guide: Calculating Affordable Rent & Housing Costs

Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

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The Sullivan
Rent Specials
$1,385 - $1,455
Total Monthly Price

Total Monthly Price

Base Rent
$1,345 - $1,850
Required Monthly Fees
$40
Total Monthly Price
$1,385 - $1,890
1 Bedroom Apartments Available Feb 27

The Sullivan

1000 Sullivans WayLake St. Louis, MO 63367
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Aventura at Hawk Ridge
Rent Specials
$1,299 - $1,557
Total Monthly Price

Total Monthly Price

Base Rent
$1,274 - $1,874
Required Monthly Fees
$25
Total Monthly Price
$1,299 - $1,899
1 Bedroom Apartments Contact Us For Availability

Aventura at Hawk Ridge

2500 Hawk Ridge Trail CtLake St. Louis, MO 63367
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St Peters Villa
1 Bedroom Apartments

St Peters Villa

300 Villa Circle DrSt. Peters, MO 63376
  • Utilities Included
Showing Results 1-32, Page 1 of 1

O'Fallon, MO Local Guide

O'Fallon 1 Bedroom Apartment Units with Current Availability by Neighborhood

Availability Confirmed As of: February 24, 2026

There are currently 256 available 1 Bedroom apartment units in O'Fallon, MO neighborhoods that range in price from $945 to $1,830. Heres is today's list of the top neighborhoods in O'Fallon with the most available 1 Bedroom apartments:

NeighborhoodAvailable UnitsMedian PriceMin Price
OFallon St Charles143$1,475$945
Tysons Corner65$1,475$1,111
Whispering Woods48$1,475$945

Largest Available O'Fallon 1 Bedroom Apartments

The largest available 1 Bedroom apartment unit in O'Fallon, MO is found at Avenue64 Apartments in the Tysons Corner neighborhood and is 1,045 square feet priced from $1,715. Hearthstone at Autumn Hollow in the Crimson Oaks neighborhood has the second largest 1 Bedroom, which is sized at 1,000 square feet and currently listed start at $1,680. Here is today’s list of the largest available 1 Bedroom units in O'Fallon:

Apartment ListingModel NameSquare FootagePriced From
Avenue64 ApartmentsA21,045 Sq Ft$1,715
Hearthstone at Autumn Hollow2B/2B - 1st Floor - Lake View1,000 Sq Ft$1,680
The Jewel O'FallonRuby950 Sq Ft$1,309
The Waterways of Lake Saint Louis Apartments1 Bedroom895 Sq Ft$1,350
Timber ClubPine882 Sq Ft$1,745
Bramblett HillsJASMINE860 Sq Ft$1,550
Prairie PointThe Sunswept831 Sq Ft$1,325
Altair At The PreserveGreenbriar826 Sq Ft$1,506
O'Fallon Lakes ApartmentsThe Adler802 Sq Ft$1,082
Harmony Ridge Apartments1 BD/1BA Townscape-Willowpoint800 Sq Ft$1,490

Cheapest Available O'Fallon 1 Bedroom Apartments

As of February 24, 2026 the lowest priced 1 Bedroom apartment unit in O'Fallon, MO is the 1 Bedroom / Phase 1 & 2 Model starting from $962 at Casalon Parkway Apartments in the Whispering Woods neighborhood. The second most affordable O'Fallon 1 Bedroom is the The Adler Model at O'Fallon Lakes Apartments starting at $1,082 . The average price for all 1 Bedroom apartments in O'Fallon is currently $1,449. Here is today’s list of the cheapest available 1 Bedroom options in O'Fallon:

Apartment ListingModel NamePriced From
Casalon Parkway Apartments1 Bedroom / Phase 1 & 2$962
O'Fallon Lakes ApartmentsThe Adler$1,082
Savannah Ridge Apartments1 Bedroom Garden$1,111
Hearthstone at Autumn Hollow1B/1B - 2nd Floor Building View$1,225
Synergy at the MeadowsElement$1,287
The Jewel O'FallonRuby$1,289
The SolsticeOne Bedroom$1,324
Prairie PointThe Sunswept$1,325
Citrine ApartmentsCanary$1,349
The Waterways of Lake Saint Louis Apartments1 Bedroom$1,350

Don't Settle: How to Negotiate Your Apartment Lease and Save Money

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Frequently Asked Questions about 1 Bedroom O'Fallon Apartments

How much is the average rent for a 1 Bedroom O'Fallon Apartment?

The average rent for a 1 Bedroom Apartment in O'Fallon is $1,449.

What is the largest available 1 Bedroom O'Fallon Apartment for rent?

Today's apartment with the most square footage in O'Fallon is a 1,045 square feet unit starting from $1,715 at Avenue64 Apartments.

What is the average size for O'Fallon 1 Bedroom Apartments for rent?

The average size for a 1 Bedroom rental in O'Fallon is currently 732 sq ft.

Expert Rental Resources

The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.

Articles, How-To's, and Tips

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Maximizing Your Refund: Essential Tax Tips for Renters

Written by: Christine Leonard, Esq.

Other than tax professionals, I can’t think of anyone who looks forward to tax season. For everybody else, April is a stressful month to collect information and meet deadlines.

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18 Must-Ask Rental Tour Questions That Reveal the Truth about a Property

Written by: Lauren Harrington

Renting your next home can feel thrilling and overwhelming at the same time.

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A Renters Guide for Tips on Writing Your Notice for Not Renewing Your Apartment

Written by: Bob Mallory

Packing up everything you own to move is so stressful for many that ending your apartment lease can feel like a small or unimportant task. Ending your lease involves more than simply turning over your keys on the last day.

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Renting with Roommates: Realistic Expectations for Shared Lease

Written by: Christine Leonard, Esq.

Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.