O'Fallon Vacation Packages
Book a Hotel + Flight or Car together to unlock savings
- Plan, book, travel with confidence
- Better togetherSave up to CA $4,200 when you book a flight and hotel together*
- Find the right fitWith over 300,000 hotels worldwide, it's easy to create a perfect package
- Rest easyPlan, book, and manage your trip all in one place
Your OFallon Vacation
Organizing your next big adventure is a cinch with a OFallon vacation package. The neighborhood of Weldon Spring, which is great for golfing, makes a superb base to uncover the delights of this unique city. Love to explore your surroundings? Mid Rivers Mall, 9-11 Memorial and CarShield Field are among the top-rated places to visit during a trip to OFallon. Expedia is here to help you escape your daily routine. Tailor your vacation to OFallon to match your travel style, whatever that may look like.
Top O'Fallon Vacation Deals
Price found within the past 48 hours. Click for updated prices.
Ameristar Casino Resort and Spa
CA $1,895
per person
Nov 8 - Nov 12
found 22 hours ago
Roundtrip non-stop flight included
Calgary (YYC) to St. Louis (STL)
8.6/10 Excellent! (1,033 reviews)
Cancelled my Expedia reservation, despite calling ahead. Painful, as this was an anniversary gift for a family member.
Once reservation was restored, all was fine.
Reviewed on Sep 14, 2026
Crowne Plaza St. Louis Airport by IHG
CA $875
per person
Nov 8 - Nov 12
found 22 hours ago
Roundtrip non-stop flight included
Calgary (YYC) to St. Louis (STL)
8/10 Very good! (1,002 reviews)
Everything was amazing but the tv you can only watch one channel . So I believe upgrade on the tv every will be great.
Reviewed on Sep 12, 2026
Country Inn & Suites by Radisson, St. Charles Historic District
St. Charles Historic District
CA $911
per person
Nov 8 - Nov 12
found 22 hours ago
Roundtrip non-stop flight included
Calgary (YYC) to St. Louis (STL)
9.4/10 Exceptional! (1,072 reviews)
Great location! Staff was amazing
Reviewed on Sep 14, 2026
Ready to book your vacation to O'Fallon?
O'Fallon Hotel Deals
Sleep Inn & Suites O'Fallon MO - Technology Drive
1147 Technology Drive O'Fallon MO
Fully refundable
CA $114
CA $135 total
Oct 5 - Oct 6
includes taxes & fees
9/10 Wonderful! (1,127 reviews)
"Well maintained and friendly staff"
Reviewed on Sep 14, 2026
Holiday Inn Express St. Louis West - O'Fallon by IHG
1175 Technology Dr O'Fallon MO
Fully refundable
CA $140
CA $165 total
Sep 27 - Sep 28
includes taxes & fees
Comfort Inn & Suites St. Louis - O'Fallon
100 Comfort Inn Ct O'Fallon MO
Fully refundable
CA $114
CA $135 total
Oct 4 - Oct 5
includes taxes & fees
7.4/10 Good! (1,000 reviews)
"The food was warm, not hot. Shampoo contained citrus which I am allergic to. Otherwise, a comfortable stay."
Reviewed on Sep 10, 2026
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)
Learn about the local history of O'Fallon when you spend time at 9-11 Memorial. While in this family-friendly area, you can savor the top-notch restaurants.
CarShield Field
7.0/10 (20 reviews)
Catch an event at CarShield Field during your trip to O'Fallon. Visit the shops in this family-friendly area, or simply enjoy its restaurants.
Alligator Creek Aquatic Center
6.4/10 (16 reviews)
Take the family on an outing to Alligator Creek Aquatic Center during your trip to O'Fallon. Stroll along the lakeside or experience the area's live music.
Golf Headquarters Family Golfplex
You can take time to visit Golf Headquarters Family Golfplex during your travels to O'Fallon. Visit the shops in this family-friendly area, or simply enjoy its restaurants.
What to do in O'Fallon
St. Louis Ghost Tour: Sinister Sins & Shadows
CA $33
per adult
100% of travellers recommend
StL's Signature "Sights and Bites" - Private Tour in St. Louis
CA $242
per adult
Lemp Haunted Neighborhood Walking Tour
CA $35
per adult
84% of travellers recommend
Frequently asked questions
How much does an O'Fallon vacation package cost?
You'll find cheap prices from CA $777 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 many days is enough for O'Fallon?
To get the most out of your O'Fallon vacation, we suggest staying for 2 days. Divide your time between discovering 9-11 Memorial, Alligator Creek Aquatic Centre and other must-see attractions, in addition to exploring neighbourhoods like Dardenne Prairie and Josephville. If you've got some time to spare, add a day trip or tour to your O'Fallon vacation itinerary.
Is it worth booking a vacation package to O'Fallon?
O'Fallon has everything you need for an unforgettable escape. Get your O'Fallon vacation off to a flying start by checking out top attractions like CarShield Field.
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?
- Pick the perfect time to travel: Your schedule, favourite season and the type of weather you enjoy can all impact your decision on when to visit O'Fallon.
- 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.
- 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.
- Combine your accommodations and airfare: Once you've nailed down your dates and duration, lock in the perfect O'Fallon vacation package for you.
* Savings based on package bookings compared to the price of the same components booked separately. Savings not available on all packages.
