
O'Fallon Holidays
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Your OFallon Holiday
Build a custom holiday package to OFallon and prepare to experience this amazing city on your own terms. Consider spending time in the neighbourhood of Weldon Spring, which is great for golfing and more. If your trip to OFallon includes some sightseeing, don't miss popular attractions like 9-11 Memorial, Mid Rivers Mall and CarShield Field. Stop daydreaming and start doing. Explore the broad range of options on Expedia today and finally put your OFallon holiday plans into gear!
O'Fallon Holiday
OFallon Essential Information
Language | English |
---|---|
Currency | U.S dollars |
Closest Airport | Lambert-St. Louis Intl. Airport (STL) |
Population | 85,000 |
Max Temp Winter | 4ºC |
Max Temp Summer | 29ºC |
Top Sights | Chesterfield Sports Fusion, Kokomo Joes Family Fun Centre and Babler State Park |
Our pick of the best O'Fallon Hotel Deals

Reviewed on 27 Mar. 2025

Reviewed on 29 Mar. 2025

Reviewed on 27 Mar. 2025
Frequently asked questions
Discover the most popular places to visit in O'Fallon

Gateway Arch
Visit the Museum of Westward Expansion, then ascend to the top of the tallest man-made monument in the US for breathtaking views of St. Louis.

Forest Park
Nature, history and cultural institutions come together in one of the United States’ largest urban parks, which buzzes with St. Louis’ dynamic community spirit.

City Museum
A rooftop Ferris wheel, an indoor tree house and a life-size, walk-through model of a whale; just some of the exhibits in this one-of-a-kind children's museum.
What to do in O'Fallon

St. Louis: Gateway Ghouls and Hauntings Walking Tour

Bullets & BBQ at Indoor Shooting Range in St. Louis County
