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Hotels with Air Conditioning in Southwest Illinois

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Check availability on Southwest Illinois Hotels with Air Conditioning

Tonight
31 Dec - 1 Jan
Tomorrow
1 Jan - 2 Jan
This weekend
2 Jan - 4 Jan
Next weekend
9 Jan - 11 Jan

Our top choices for Southwest Illinois hotels with air conditioning

Lobby
Drury Plaza Hotel Mt. Vernon

Drury Plaza Hotel Mt. Vernon

Drury Plaza Hotel Mt. Vernon
3.0 star property
Mount Vernon
9.6 out of 10, Exceptional, (1605)
"Clean nice people great place to stay"
United States
John
The price is S$137
includes taxes & fees
4 Jan - 5 Jan, 2026
Drury Plaza Hotel Mt. Vernon
Exterior
Drury Inn & Suites Marion

Drury Inn & Suites Marion

Drury Inn & Suites Marion
3.0 star property
Marion
9.4 out of 10, Exceptional, (1011)
"Very nice hotel! Friendly staff and great amenities. We will definitely stay again during our travels. "
United States
Renee
The price is S$100
includes taxes & fees
22 Jan - 23 Jan, 2026
Drury Inn & Suites Marion
Free daily buffet breakfast
Holiday Inn Express & Suites Mount Vernon by IHG

Holiday Inn Express & Suites Mount Vernon by IHG

Holiday Inn Express & Suites Mount Vernon by IHG
2.5 star property
Mount Vernon
9.0 out of 10, Wonderful, (1001)
"Clean room, kind staff. Breakfast was good. "
United States
Kathryn
The price is S$144
includes taxes & fees
4 Jan - 5 Jan, 2026
Holiday Inn Express & Suites Mount Vernon by IHG
Terrace/patio
Comfort Suites Mount Vernon

Comfort Suites Mount Vernon

Comfort Suites Mount Vernon
2.5 star property
Mount Vernon
9.0 out of 10, Wonderful, (1001)
"It's great for travelers!"
United States
Kerry
The price is S$157
includes taxes & fees
1 Jan - 2 Jan, 2026
Comfort Suites Mount Vernon
Desk, blackout curtains, iron/ironing board, free cots/infant beds
Super 8 by Wyndham Mt. Vernon IL

Super 8 by Wyndham Mt. Vernon IL

Super 8 by Wyndham Mt. Vernon IL
2.5 star property
Mount Vernon
7.8 out of 10, Good, (1004)
"reception was great, room clean, and the price was right."
United States
tom
The price is S$92
includes taxes & fees
13 Jan - 14 Jan, 2026
Super 8 by Wyndham Mt. Vernon IL
Lobby
SureStay Hotel by Best Western Whittington Rend Lake

SureStay Hotel by Best Western Whittington Rend Lake

SureStay Hotel by Best Western Whittington Rend Lake
2.5 star property
Whittington
8.8 out of 10, Excellent, (914)
"Great place to stay."
United States
Stephen
The price is S$103
includes taxes & fees
6 Jan - 7 Jan, 2026
SureStay Hotel by Best Western Whittington Rend Lake
Blackout curtains, iron/ironing board, rollaway beds, free WiFi
Quality Inn Mount Vernon, IL

Quality Inn Mount Vernon, IL

Quality Inn Mount Vernon, IL
2.5 star property
Mount Vernon
7.8 out of 10, Good, (546)
"Clean quiet"
United States
Gina
The price is S$105
includes taxes & fees
11 Jan - 12 Jan, 2026
Quality Inn Mount Vernon, IL
Reception
Best Western Plus Centralia Hotel & Suites

Best Western Plus Centralia Hotel & Suites

Best Western Plus Centralia Hotel & Suites
2.5 star property
Centralia
9.6 out of 10, Exceptional, (608)
"Very beautiful place to stay "
United States
Valerie
The price is S$173
includes taxes & fees
11 Jan - 12 Jan, 2026
Best Western Plus Centralia Hotel & Suites
Exterior
Holiday Inn Carbondale-Conference Center by IHG

Holiday Inn Carbondale-Conference Center by IHG

Holiday Inn Carbondale-Conference Center by IHG
3.0 star property
Carbondale
8.8 out of 10, Excellent, (647)
"nice stay! "
United States
James
The price is S$168
includes taxes & fees
29 Jan - 30 Jan, 2026
Holiday Inn Carbondale-Conference Center by IHG
Seasonal outdoor pool, pool umbrellas, pool loungers
Quality Inn & Suites Vandalia near I-70 and Hwy 51

Quality Inn & Suites Vandalia near I-70 and Hwy 51

Quality Inn & Suites Vandalia near I-70 and Hwy 51
2.5 star property
Vandalia
8.4 out of 10, Very good, (1000)
"Awesome place to stay. Clean room, comfortable bed, amenities were accommodating, plenty of restaurants near by to choose from, and near the highway."
United States
Evelyn
The price is S$92
includes taxes & fees
4 Jan - 5 Jan, 2026
Quality Inn & Suites Vandalia near I-70 and Hwy 51
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
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Top Southwest Illinois Hotel Reviews

Comfort Suites Mount Vernon

Comfort Suites Mount Vernon

10/10 Excellent
"This comfort inn is great. We always stay here. Clean updated rooms. Eco friendly with individually wrapped bar soap exception. Great breakfast. Friendly staff. Close to highway for easy on/off for trip ease."
Georgia 1-night trip
Posted 22 hours ago
Comfort Suites Mount Vernon

Frequently asked questions

How much do hotels with air conditioning in Southwest Illinois cost?
Hotels with air conditioning in Southwest Illinois range between S$92 and S$173 per night. These properties provide the comfort you need at a price that's friendly on the pocket. These prices were available on Expedia within the past 7 days, for a hotel booking with a check-in date within the next year. Prices reflect current offers and availability is subject to change. Additional terms may apply.
What are the best hotels with air conditioning in Southwest Illinois?
There are multiple hotels with air conditioning in Southwest Illinois with a total average guest review rating of 8.7, so you're sure to find a place that suits your needs. Headed to O'Fallon? Consider Drury Inn & Suites St. Louis O'Fallon, IL. This highly rated 3-stars hotel comes with air conditioning to make sure you're comfortable, a swimming pool and express check-out services. Hampton Inn O'Fallon is another favourite air-conditioned property with travellers to the area. A swimming pool and an electric car charging station. Are other useful amenities at this 2.5-stars option in O'Fallon.
How many hotels with air conditioning are there in Southwest Illinois?
Select from 137 hotels with air conditioning in Southwest Illinois. Whether you're holidaying with the entire family or close friends, and wherever you want to go, Expedia makes it a breeze to find the perfect space to chill out in air-conditioned comfort.
What are the best cheap hotels with air conditioning in Southwest Illinois?
With hotels with air conditioning starting at just S$92 per night, you'll have more cash in your wallet for exploring Southwest Illinois. If O'Fallon is on your list, take a look at Hampton Inn O'Fallon. An electric car charging station, a swimming pool and in-room air conditioning help make this property a popular pick. Expedia also has budget hotels with air conditioning in Marion. Make yourself at home at Comfort Inn & Suites Marion I-57 and take advantage of conveniences such as complimentary use of a nearby fitness centre and pool sun loungers. There are loads of fabulous and free attractions around Southwest Illinois. If you're venturing to O'Fallon, check out St. Clair Bowl. You can also go sightseeing without spending a dime in Marion. Williamson County Historical Museum is one of the best free things on offer here. This price was available on Expedia within the past 7 days, for a hotel booking with a check-in date within the next year. Prices reflect current offers and availability is subject to change. Additional terms may apply.
What are the top motels with air conditioning in Southwest Illinois?
Staying in a motel with air conditioning is a great way to have a comfy holiday at an incredible price. If your Southwest Illinois travels include a night or two in Alton, Bel Air Motel is a leading choice. It's around 8 kilometres southeast of the downtown area. With conveniences like a barbecue grill and WiFi, it's an affordable place to unwind after a busy day sightseeing. An alternative option with air conditioning is Super 8 by Wyndham Alton. It features front desk services and complimentary breakfast and is located around 3 kilometres northeast of the centre of Alton.There are a ton of things to occupy you in O'Fallon. The Edge and St. Clair Bowl should be on your sightseeing agenda.
Are there any family-friendly hotels with air conditioning in Southwest Illinois?
Yes there are, so round up your entire crew and plan that Southwest Illinois holiday! If O'Fallon is your destination, check out Drury Inn & Suites St. Louis O'Fallon, IL. This 3-stars option is a favourite family-friendly base with air conditioning. It also comes with complimentary breakfast and a laundry service. Another excellent choice is Drury Inn & Suites St. Louis Fairview Heights. Also in O'Fallon, it has a 3-stars rating and has complimentary breakfast, WiFi and air conditioning. O'Fallon offers lots of family-friendly attractions when it's time to tour the sights. The Edge and St. Clair Bowl has something to interest all ages.
Why book your hotel with air conditioning in Southwest Illinois with Expedia?
Booking a hotel with air conditioning in Southwest Illinois is as simple as working out your travel dates and choosing from our range of awesome options. In search of something upscale or budget friendly, or a property that also comes with a laundry and kitchen? Use Expedia's filters to narrow your search results even further and find your ideal match with AC and more.
How can I find cheap hotels with air conditioning in Southwest Illinois?
The simplest way to get cheap hotels with air conditioning in Southwest Illinois is with Expedia's user-friendly filter tool. First, set your budget per night and star rating, then select air conditioning from the amenities menu to secure the perfect place at an unbeatable price.
What is there to do in Southwest Illinois near my hotel with air conditioning?
Southwest Illinois has so much to do and see, it can be challenging to figure out where to begin. If your journey takes you to O'Fallon, The Edge is a popular attraction with visitors and locals alike.

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