O'Fallon Vacations

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Find the Best O'Fallon Vacation Packages

O'Fallon Hotel Deals

Sleep Inn & Suites O'Fallon MO - Technology Drive

Sleep Inn & Suites O'Fallon MO - Technology Drive

1147 Technology Drive O'Fallon MO
Fully refundableReserve now, pay when you stay
AED 289
AED 340 total
13 Sep - 14 Sep
includes taxes & fees
Sleep Inn & Suites O'Fallon MO - Technology Drive
Holiday Inn Express St. Louis West - O'Fallon by IHG

Holiday Inn Express St. Louis West - O'Fallon by IHG

1175 Technology Dr O'Fallon MO
Fully refundable
AED 371
AED 438 total
26 Aug - 27 Aug
includes taxes & fees
8.6/10 Excellent! (971 reviews)
"Some of the outlets in the room did not work and the coffee machine turned on but did not work and no one was available when I called the front desk."

Reviewed on 23 August 2026

Holiday Inn Express St. Louis West - O'Fallon by IHG
Comfort Inn & Suites St. Louis - O'Fallon

Comfort Inn & Suites St. Louis - O'Fallon

100 Comfort Inn Ct O'Fallon MO
Fully refundable
AED 310
AED 366 total
14 Sep - 15 Sep
includes taxes & fees
7.4/10 Good! (1,016 reviews)
"We had a room on the bottom floor that stunk with mold, mildew. The floor felt damp and I wouldn’t walk around without shoes on. Worst place I’ve ever stayed!"

Reviewed on 23 August 2026

Comfort Inn & Suites St. Louis - O'Fallon
See all 979 properties 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.

Stay near popular O'Fallon attractions

9-11 Memorial

7.6/10 (44 reviews)
This steel monument, crafted from World Trade Center wreckage, honors first responders who perished on 9/11. Visitors can also view a piece of the WTC's red steel core inside the O'Fallon Municipal Centre.
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CarShield Field

7.0/10 (20 reviews)
CarShield Field offers an intimate baseball experience as home to the O'Fallon Hoots. Enjoy evening games during summer months when the atmosphere is most vibrant and temperatures cooler.
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Alligator Creek Aquatic Center

6.4/10 (16 reviews)
This family-friendly aquatic center features a 600-foot lazy river and interactive water playground in O'Fallon, Missouri. Enjoy the diving board, water slides, and shaded seating areas for a refreshing summer retreat.
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Golf Headquarters Family Golfplex

This all-in-one golf complex features a Toptracer driving range, executive course, and mini-golf for all skill levels. Practice your swing under the lights or join a tournament at this versatile family destination.
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Frequently asked questions

How much does an O'Fallon vacation package cost?
You'll find cheap prices on Expedia for your O'Fallon break. However, factors like the hotel choice, length of stay and season will influence how much your vacation to O'Fallon costs.
What are the cheapest months to go to O'Fallon?
You can generally find reduced prices and greater availability in December, January and February. Browse our cheap O'Fallon vacation packages and you could score some excellent off-season deals.
How to find the best O'Fallon package deals?
Use Expedia's filters to help you find some fabulous O'Fallon package deals. When you start your search, simply set your maximum budget and then sort the results by "Price: low to high." If you want to save, plan your adventure for midweek, or search for O'Fallon package deals in the off-season. Play around with your travel dates and you may score even bigger discounts. As a rule of thumb, it's typically best to lock in your vacation package well in advance.
Is it cheaper to book an O'Fallon vacation as a package?
An Expedia vacation package could save you hundreds of dollars when compared to booking hotels and flights separately. Better still, you can personalize your O'Fallon trip to match your exact style. Choose your preferred flight time, select the hotel type and add a car rental. Check out our great deals to see how much you can save.
When to book a vacation package to O'Fallon?
If you're considering a spontaneous O'Fallon trip, browse our last-minute deals that can be booked up to one week before you go. Prefer not to wait until the last minute? You can land terrific deals on your flights and hotels by booking ahead.
How to plan a trip to O'Fallon?
  1. Pick the perfect time to travel: Your schedule, favorite season and the type of weather you enjoy can all impact your decision on when to visit O'Fallon.
  2. Budget wisely: Besides the price of your accommodations, you'll need to factor in other expenses too. These include food, flights and transportation. Also, put aside a little extra for unexpected expenses that could crop up during your trip to O'Fallon.
  3. Decide how long to go away for: Now that you know more about O'Fallon, you can work out the ideal length of your vacation. Pull together a rough itinerary and give yourself enough time for all the things you want to do.
  4. Combine your accommodations and airfare: Once you've nailed down your dates and duration, lock in the perfect O'Fallon vacation package for you.

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