Hotels in O'Fallon

Free cancellation options if plans change
Earn rewards on every night you stay
Save more with Member Prices

Check prices for these dates

This weekend
Next weekend

Where to stay in O'Fallon?

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.
data_trends

Our prices for hotels in O'Fallon are cheapest in December

See average prices and weather for all months

Price trends for hotels in O'Fallon

Pricing is based on two traveller single night rates
Mar
CA $184
Average price during March is CA $184
Apr
CA $205
Average price during April is CA $205
May
CA $213
Average price during May is CA $213
Jun
CA $225
Average price during June is CA $225
Jul
CA $209
Average price during July is CA $209
Aug
CA $185
Average price during August is CA $185
Sep
CA $176
Average price during September is CA $176
Oct
CA $179
Average price during October is CA $179
Nov
CA $179
Average price during November is CA $179
Dec
CA $168
Average price during December is CA $168
Jan
CA $174
Average price during January is CA $174
Feb
CA $170
Average price during February is CA $170
Currently viewing crowd sizes and weather for March.

March

trending_flatModerate crowds
High 13°C / low 3°C. Partly sunny.
13°
weather_partly_sunny
March, Moderate crowds, average high temperature 13 degrees Celsius, average low temperature 3 degrees Celsius. Partly sunny.
18°
weather_sun
April, Low crowds, average high temperature 18 degrees Celsius, average low temperature 8 degrees Celsius. Sunny most days.
24°
weather_sun
May, Moderate crowds, average high temperature 24 degrees Celsius, average low temperature 14 degrees Celsius. Sunny most days.
14°
29°
weather_sun
June, High crowds, average high temperature 29 degrees Celsius, average low temperature 19 degrees Celsius. Sunny most days.
19°
31°
weather_sun
July, High crowds, average high temperature 31 degrees Celsius, average low temperature 21 degrees Celsius. Sunny most days.
21°
30°
weather_sun
August, High crowds, average high temperature 30 degrees Celsius, average low temperature 20 degrees Celsius. Sunny most days.
20°
27°
weather_sun
September, Moderate crowds, average high temperature 27 degrees Celsius, average low temperature 16 degrees Celsius. Sunny most days.
16°
20°
weather_sun
October, High crowds, average high temperature 20 degrees Celsius, average low temperature 10 degrees Celsius. Sunny most days.
10°
13°
weather_partly_sunny
November, Moderate crowds, average high temperature 13 degrees Celsius, average low temperature 3 degrees Celsius. Partly sunny.
weather_partly_sunny
December, Low crowds, average high temperature 7 degrees Celsius, average low temperature -1 degrees Celsius. Partly sunny.
-1°
weather_cloudy
January, Low crowds, average high temperature 4 degrees Celsius, average low temperature -4 degrees Celsius. Cloudy most days.
-4°
weather_partly_sunny
February, Low crowds, average high temperature 6 degrees Celsius, average low temperature -3 degrees Celsius. Partly sunny.
-3°
Monthly weather averages (˚C)

Top landmarks in O'Fallon

Learn more about O'Fallon

O'Fallon is well-known for its attractions such as CarShield Field and 9-11 Memorial. Visitors to this family-friendly city speak highly of the restaurants whereas sights include Mississippi River and Alligator Creek Aquatic Center.

Frequently asked questions

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.
Where can I stay with my pet in O'Fallon?
Your animal companion is welcome at these pet-friendly hotels: Comfort Inn & Suites St. Louis - O’Fallon, Super 8 by Wyndham O’Fallon MO/St. Louis Area, and Residence Inn by Marriott O’Fallon.
Which O'Fallon hotels do travelers like for their central location?
Our guests rave about the location of Comfort Inn & Suites St. Louis - O’Fallon.
Where should I consider staying in O'Fallon if I'm looking for a budget-friendly accommodation?
An inexpensive option worth considering is Comfort Inn & Suites St. Louis - O’Fallon.
Where can I stay in O'Fallon if I want a vacation rental instead of a hotel?
If you want to find a good alternative to a hotel, review our selection of 18 vacation homes. You also might want to book one of 5 condos for your trip.
Where can I stay if I'm traveling to O'Fallon with my kids?
Parents traveling with children may want to consider Residence Inn by Marriott O’Fallon.
What will the weather in O'Fallon be like during my trip?
July and August are typically the warmest months in O’Fallon when the average temp is 75°F. January and February are the coldest months when the average temperature is 37°F. May and April are the months with the most rain.
Why should I book my O'Fallon hotel through Hotels.com?
There are lots of reasons to book your O’Fallon trip with us: our free cancellations on selected hotels* gives you flexibility, and with One Key™, our rewards program, you will be able to earn and use OneKeyCash™** on all eligible bookings such as hotels, car rentals, flights, vacation rentals and more on Hotels.com, Expedia and Vrbo.