Inn in Illinois
3-Star Inn
Reasons to book
Great for petsBring all your friends and family, even the furry ones
Great price for your budgetOne of the lowest cost properties in the area
Book with confidenceWe partner with the top travel sites so you know you're getting a great deal on the perfect rental
About this inn
Offering convenient access to downtown St. Louis, the Sleep Inn O'Fallon near I-64 hotel in O’Fallon, Illinois is close to several shopping malls and industrial parks, including St. Clair Square Mall.
Amenities
Free WiFi/internet
Air conditioning
Pool
Non-smoking
Pets allowed
Gym
WiFi/Internet
Map of Illinois
Available Rooms
Ratings and reviews
100% verified reviews9 / 10Outstanding·Sep 2026
It was very quiet. The staff were really nice! The bed was comfy! It was perfect for what we needed it for. It was easy to book!
Short staffed. Had to wait on clerk to come back to check in or out.
9 / 10Outstanding·Jul 2026
Breakfast good and pool was nice
Prices of things around you be lower
7 / 10Good·Jun 2026
I loved the swimming pool it was clean and my little family loved it! The workers were nice as well when we needed something breakfast was good. You get waffles , egg , sausages and yogurt mainly.
The only thing two things that I didn’t really find pleasant is the room we were staying in kind of smelled like fish or tuna . The room was clean just it had a smell to it 😅 and also just a small thing but It sucks that you can pay card to get in but can only pay cash for the snacks they have you . Other than that it was a good one night stay.
5 / 10·Jun 2026
The pool was great as well as the breakfast.
The rooms where ok one of the two rooms smelled very musty the upkeep threw out felt very ran down and out of date for the price i paid for the two rooms.
$$$$
5.7
(250 Ratings)
"First time to st. Louis or ofallon"
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