Find Spa Hotels in O'Fallon, MO from CA $276

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Check availability on O'Fallon Spa Hotels

Tonight
May 6 - May 7
Tomorrow
May 7 - May 8
This weekend
May 8 - May 10
Next weekend
May 15 - May 17

Our top choices for O'Fallon hotels with a spa

Hot tub, body treatments, hydrotherapy, aromatherapy, body scrubs

Ameristar Casino Resort and Spa

Ameristar Casino Resort and Spa
4.5 star property
St. Charles
8.6 out of 10, Excellent, (1,005 reviews)
  • cleanliness
    Riverside wellness oasis offers full-service spa with aromatherapy and hydrotherapy for a restorative retreat.
"The rooms are so spacious and luxurious."
United States
Sedrick Jaye
The price is CA $217
CA $276 total
includes taxes & fees
May 10 - May 11
Ameristar Casino Resort and Spa
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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Choose what matters most at spa hotels in O'Fallon

Pool
Breakfast included

Top O'Fallon Hotel Reviews

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

10/10 Excellent
"Clean room, sweet staff and pretty quiet "
Heather 1-night trip
Posted 4 hours ago
Heritage Inn & Suites St. Louis/Fenton, Trademark by Wyndham

Frequently asked questions

How much does a spa hotel in O'Fallon cost?
Enjoy staying in a spa hotel in O'Fallon, with plenty of hotels from CA $276 offering incredible amenities. If you're leaning toward a little luxury, prices can rise, and may vary depending on the location, season, and hotel amenities. Be sure to book in advance to enjoy more options and potentially better rates, especially if you're planning a trip during the weekend or around public holidays.
Is it cheaper to book a spa hotel in O'Fallon with flights as part of a package deal?
Booking a hotel and flight package on Expedia can be cheaper than booking flights and hotels separately. Bundling can lead to significant savings, especially for international travel or when booking well in advance. However, savings vary depending on factors like destination, travel dates, and availability, so it's wise to compare options. With access to over 300,000 hotels worldwide, Expedia makes it easy to build the perfect travel package.
Are there any unique spa experiences available in O'Fallon?
Yes, O'Fallon offers some unique spa experiences, particularly the Treehouse Day Spa and Jennifer Brand Spa.

The Treehouse Day Spa is top for its setting on three wooded acres, functioning as both a spa and a rental room for a private and serene escape. It was designed and built by its owner, offering a handcrafted environment for relaxation.

Jennifer Brand Spa provides luxurious and customisable massage experiences, with options like hot stones, aromatherapy, heated towels, and warm packs available upon request. Their treatments range from light relaxation to firm deep tissue, ensuring a personalised experience.
How can I save on a spa hotel in O'Fallon with Expedia?
Members always get our best prices. Find our best O'Fallon spa hotel deals by joining Expedia's free travel rewards program—One Key™. As a member, you can unlock instant savings and member perks when you're logged in to your account. For a spontaneous weekend retreat, discover last-minute offers.
Can I cancel my spa hotel reservation on Expedia?
Many Expedia hotel reservations are refundable, provided that you cancel before the hotel's cancellation deadline. This is often within 24-48 hours of your scheduled arrival. Be sure to check your booking confirmation for the exact cancellation policy. For maximum flexibility, use Expedia's "Fully refundable property" filter during your search to find the right spa hotel in O'Fallon for you.

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