Hotels in O'Fallon

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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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Our prices for O'Fallon are cheapest in March

See average prices and weather for all months
Price trends for hotels in O'Fallon
Pricing is based on two traveler single night rates
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Currently viewing crowd sizes and weather for August.
Weather forecast for O'Fallon
August
trending_upHigh crowds
High 87°F / low 68°F. Sunny most days.
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87°
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August, High crowds, average high temperature 87 degrees Fahrenheit, average low temperature 68 degrees Fahrenheit. Sunny most days.
68°
81°
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September, Moderate crowds, average high temperature 81 degrees Fahrenheit, average low temperature 61 degrees Fahrenheit. Sunny most days.
61°
68°
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October, High crowds, average high temperature 68 degrees Fahrenheit, average low temperature 50 degrees Fahrenheit. Sunny most days.
50°
55°
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November, Moderate crowds, average high temperature 55 degrees Fahrenheit, average low temperature 38 degrees Fahrenheit. Partly sunny.
38°
44°
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December, Low crowds, average high temperature 44 degrees Fahrenheit, average low temperature 31 degrees Fahrenheit. Partly sunny.
31°
38°
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January, Low crowds, average high temperature 38 degrees Fahrenheit, average low temperature 24 degrees Fahrenheit. Cloudy most days.
24°
42°
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February, Low crowds, average high temperature 42 degrees Fahrenheit, average low temperature 26 degrees Fahrenheit. Partly sunny.
26°
55°
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March, Moderate crowds, average high temperature 55 degrees Fahrenheit, average low temperature 38 degrees Fahrenheit. Partly sunny.
38°
65°
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April, Low crowds, average high temperature 65 degrees Fahrenheit, average low temperature 46 degrees Fahrenheit. Sunny most days.
46°
75°
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May, Moderate crowds, average high temperature 75 degrees Fahrenheit, average low temperature 57 degrees Fahrenheit. Sunny most days.
57°
85°
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June, High crowds, average high temperature 85 degrees Fahrenheit, average low temperature 67 degrees Fahrenheit. Sunny most days.
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88°
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July, High crowds, average high temperature 88 degrees Fahrenheit, average low temperature 70 degrees Fahrenheit. Sunny most days.
70°
Monthly weather averages (˚F)

Top landmarks in O'Fallon

Learn more about O'Fallon

Explore Fort Zumwalt Park's scenic trails and historic log cabin, or catch a baseball game at CarShield Field. Indulge in retail therapy at nearby St. Louis Premium Outlets, then cool off with a splash at Alligator's Creek Aquatic Center.

Check out reviews of O'Fallon hotels guests love

Frequently asked questions

How much does a hotel room cost in O'Fallon?
You can discover great hotels in O'Fallon from $67 with properties to suit all budgets and needs. To find an affordable hotel in O'Fallon that meets all of your requirements, just apply filters on Hotels.com, and sort hotels by "Price: low to high". If you're a member, don't forget to sign in to your account to unlock more savings.
How can I find deals and earn rewards at O'Fallon hotels?
Members can save up to 20% on select hotels in O'Fallon. Plus, Silver, Gold and Platinum members earn extra rewards on VIP Access bookings, making each stay even more rewarding.

Can I book O'Fallon hotels with free cancellation?
It's easy to book a refundable O'Fallon hotel on Hotels.com. Simply filter hotels by "Property cancellation options" and select "Fully refundable property". Most hotels offer free cancellation, so you can receive a refund if you need to cancel. Some hotels do require cancelling more than 24 hours before check-in, so double-check your booking beforehand.
What are some top pet-friendly hotels in O'Fallon?
Our travelers' favorite pet-friendly hotels in O'Fallon include:You can check "Pet friendly" on the Hotels.com "Amenities" filter in your search to find even more pet-friendly hotels in O'Fallon.
What are some of the best kid-friendly hotels in O'Fallon?
One of the best O'Fallon hotels for kids is Residence Inn by Marriott O'Fallon. Residence Inn by Marriott O'Fallon is a kid-friendly hotel with a guest score of 8.4 out of 10 offering family-friendly amenities like an indoor pool and free parking, plus free cribs in guestrooms. Explore more kid-friendly hotels in O'Fallon by using our "Family friendly" filter in your search on Hotels.com.
What are the top O'Fallon hotels with a pool?
For a little extra luxury, discover some of the best O'Fallon hotels with a pool. Hilton Garden Inn St. Louis/O'Fallon MO is a great hotel with an indoor pool and a guest rating of 8.8 out of 10. Plus, you can make the most of its restaurant and bar/lounge. Residence Inn by Marriott O'Fallon is a popular hotel that features an indoor pool along with an outdoor tennis court and a free buffet breakfast. To find more stays in O'Fallon with a pool, use the "Amenities" filter on Hotels.com in your search and select "Pool".
What are some of the best O'Fallon hotels with free parking?
If you're exploring by car, finding a great O'Fallon hotel with free parking is a win. Our travelers' favorites include:
What are some popular hotels in central O'Fallon?
If you're looking for hotels in central O'Fallon, check out Drury Inn & Suites St. Louis St. Peters and Hilton Garden Inn St. Louis/O'Fallon MO. Travelers love Drury Inn & Suites St. Louis St. Peters for its location, as well as the indoor pool, hot tub and free buffet breakfast this hotel offers. Hilton Garden Inn St. Louis/O'Fallon MO is another popular central hotel with an indoor pool, a restaurant and a bar/lounge.
Are all taxes and fees included in the O'Fallon hotel prices shown on Hotels.com?
Hotels.com provides upfront pricing so you can relax knowing you won't be met with surprise additional fees or taxes when you're ready to confirm your booking. From the time you start your search on Hotels.com, the price you see is what you pay. This makes it much easier to compare properties and secure our best deal for your next getaway.
What hotels do travelers recommend in O'Fallon?
Where can I get free parking with my stay in O'Fallon?
Hilton Garden Inn St. Louis/O'Fallon MO offers the perk of free parking.
Can I book a refundable hotel in O'Fallon?
If you want the flexibility to change your plans to O'Fallon, most hotels offer refundable* bookable rates. You can find these properties by searching our site and using the "fully refundable" filter to narrow down the results.

Find out more about O'Fallon

Find out more about O'Fallon

O'Fallon is a family-friendly city where you can spend time checking out the local cuisine. Why not take time to see places like CarShield Field and 9-11 Memorial? While you're in town, don't miss a chance to see sights like Mississippi River and Alligator Creek Aquatic Center.