A calm lake reflecting trees with autumn foliage, a clear sky, and a distant shoreline.

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Check availability on St. Charles Spa Hotels

Our top choices for St. Charles 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, (1,019 reviews)
  • cleanliness
    Riverside wellness oasis offers full-service spa with aromatherapy and hydrotherapy for a restorative retreat.
The price is Rp2.643.948
Rp3.387.119 total
includes taxes & fees
9 Aug - 10 Aug
Ameristar Casino Resort and Spa
Interior

Truitt Hotel

Truitt Hotel
2.0 star property
Lafayette Square
The price is Rp3.184.064
Rp3.723.208 total
includes taxes & fees
1 Aug - 2 Aug
Truitt Hotel
Restaurant

21C Museum Hotel St Louis

21C Museum Hotel St Louis
4.5 star property
Downtown West
9.0 out of 10, Wonderful, (1,986 reviews)
  • cleanliness
    Discover spa services, a steam room, and an Olympic-sized indoor pool at this modern hotel, all designed for rejuvenating getaways.
The price is Rp2.573.956
Rp3.099.285 total
includes taxes & fees
18 Aug - 19 Aug
21C Museum Hotel St Louis
Couples treatment room(s), hot tub, body treatments, aromatherapy

Four Seasons Hotel St Louis

Four Seasons Hotel St Louis
5.0 star property
Downtown St. Louis
9.4 out of 10, Exceptional, (1,000 reviews)
  • cleanliness
    Discover a tranquil haven with 12 treatment rooms, outdoor pool, and breathtaking views at this rejuvenating spa retreat.
The price is Rp6.708.000
Rp7.843.598 total
includes taxes & fees
4 Aug - 5 Aug
Four Seasons Hotel St Louis
Reception

The Ritz-Carlton, St. Louis

The Ritz-Carlton, St. Louis
5.0 star property
Clayton
9.2 out of 10, Wonderful, (575 reviews)
  • cleanliness
    Revel in a rejuvenating spa retreat with aromatherapy treatments and hot stone massages at this luxury St. Louis hotel.
The price is Rp8.940.583
Rp10.437.011 total
includes taxes & fees
26 Jul - 27 Jul
The Ritz-Carlton, St. Louis
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 St. Charles

Pool
Hot tub

Top St. Charles Hotel Reviews

The Royal Sonesta Chase Park Plaza St. Louis

The Royal Sonesta Chase Park Plaza St. Louis

10/10 Excellent
"Everything was fantastic. We loved having multiple restaurants and a movie theater on site. My only critique is that parking is a bit pricey."
Heather 2-night trip
Posted less than an hour ago
The Royal Sonesta Chase Park Plaza St. Louis

Frequently asked questions

Looking for a spa hotel in St. Charles?
Book one of our lush spa hotels and pamper yourself from the moment you arrive. Travellers highly recommend the restaurants in St. Charles. Enjoy the historical sites and riverfront during your holiday. Hotels with spas are a great way to break away from your daily routine and add a layer of luxury to your stay.
What is the best spa hotel in St. Charles?
Ameristar Casino Resort and Spa is a top luxury spa hotel featuring 6 restaurants, a casino, a 24-hour fitness centre and an outdoor pool. Treat yourself to a facial, body scrub or hydrotherapy at Ara.
How many spa hotels will I find in St. Charles?
Among Expedia's 172 accommodation options in St. Charles, there is 1 spa hotel.
What's there to see and do in St. Charles?
Experience all that St. Charles has to offer when you visit Historic Main Street, Frontier Park and Katy Trail. If you have some spare time during your trip, you might want to check out Lewis & Clark Boathouse and Nature Center and St Charles Convention Center.
What is a St. Charles spa hotel?
Spa hotels in St. Charles provide lodging and have a full on-site spa which offers services such as couples massages as well as body treatments. Some also offer in-room treatments. Spa hotels are a must if you want to give yourself an extra treat while on holiday.