Mattress Store O'Fallon, MO

Ashley Store

2331 Hwy K
O'Fallon, MO, 63368
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Store hours

Monday 10:00 AM - 09:00 PM
Tuesday 10:00 AM - 09:00 PM
Wednesday 10:00 AM - 09:00 PM
Thursday 10:00 AM - 09:00 PM
Friday 10:00 AM - 09:00 PM
Saturday 10:00 AM - 09:00 PM
Sunday 12:00 PM - 08:00 PM

About Ashley

The Ashley Store in O'Fallon, MO represents the largest furniture store brand in North America and one of the world’s best-selling furniture store brands with more than 1,000 locations worldwide.

Store Details

Great style doesn't have to be expensive! The Ashley Store cuts out the middle man by building, transporting, and selling its own great furniture. This allows us to bring stylish furniture, created by the largest furniture company in the world, to the people of O’Fallon, Missouri at a price that other companies cannot compete with. The Ashley Store has exclusive agreements with premium bedding companies like Tempur-Pedic, Sealy, and Stearns & Foster. We sell the best mattresses in the world, with incredible incentives and financing terms that ensures that the customer leaves with the best deal possible! You can find us on Hwy K, next to Fresh Thyme Market. We look forward to being the furniture store that helps you fill your home with memories, and hope to see you soon!

Monday 08:00 AM - 07:00 PM
Tuesday 08:00 AM - 07:00 PM
Wednesday 08:00 AM - 07:00 PM
Thursday 08:00 AM - 07:00 PM
Friday 08:00 AM - 07:00 PM
Saturday 08:00 AM - 05:00 PM
Sunday Closed

Mattress and Bedding

Visit the Ashley Sleep Shop and explore a wide selection of mattresses & bedding from brands like Tempur-Pedic, Beautyrest, and Ashley Sleep.

Mattress Foundations

Mattress Foundations

A foundation for a bed is a supportive base that lifts a mattress off the ground, helps distribute weight evenly, and helps prevent premature wear and tear.

Adjustable Bed Base

Adjustable Bed Base

Power bases are multi-hinged, adjustable bed bases with motorized foundations and remote controls that operate them, with just a touch of a button.

Mattress Protectors

Mattress Protectors

Mattress protectors are a water-resistant barrier placed over a mattress. It shields the mattress from spills, stains, dust mites, and allergens.

Beds

Beds

A bed is the supporting structure for a mattress. It typically includes a headboard, footboard, and side rails, elevating the mattress off the floor.

In-store offers

This location is a proud supporter of:

Ashley Store community partner logo
Melissa Joy
Sep 11, 2026

We had a wonderful experience at Ashley Furniture! Amy was absolutely amazing—she was extremely helpful, knowledgeable, and took the time to make sure we found exactly what we were looking for. She was never pushy and made the entire experience easy and enjoyable.

Jonathan Lopez
Sep 11, 2026

Derick was extremely helpful and had lots of great recommendations. Helped us choose a style we loved!

Piyush Balas
Sep 10, 2026

I worked with Derek on this Ofallon location and he gave all the information we needed to finalize our purchase. He was super helpful, knowledgeable and really good at his job. Appreciate his willingness to help someone and definitely recommend him.

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For additional details on the offers on this page, click here  to learn more. 

0% interest for 60 months^° - In-Store Only

On in-store purchases made with your Ashley Advantage® Synchrony credit card. Equal monthly payments required for 60 months. Minimum purchase may be required. Down payment up to 30% may be required on another payment type for in-store purchases.  

†^Not combinable with other offers and discounts. If any down payment is required, the qualifying purchase amount is determined prior to any down payment, taxes or delivery. Qualifying purchase amount, less any applicable down payment, must be on one receipt.  No interest will be charged on amount financed and equal monthly payments are required on promo purchase until it is paid in full. The payments equal the initial amount financed, divided by the number of months in the promo period, rounded up to the next whole dollar. These payments may be higher than the payments that would be required if this purchase was a non-promo purchase. During the last month(s) of the promo period the required monthly payment may be reduced due to the prior months' rounding. Regular account terms apply to non-promo purchases. New Accounts: As of 7/31/2025 Purchase APR is 34.99%. Penalty APR is 39.99%. Minimum Interest Charge is $2. Existing cardholders: See your credit card agreement terms. Subject to credit approval. Excludes Samsung appliances and electronics. For more information on our Regular Price, see store associate or visit ashleyfurniture.com. Discounts from Regular Price may apply based on payment method and terms which may be considered a finance charge. See store for promotional options and details.