Hilton Garden Inn St. Louis/O'Fallon is a 3-star hotel in O'Fallon, Missouri, United States. It is located about 4.9mi from the city center, at 2310 Technology Drive.

Featured amenities include free on-site parking, free Wi-Fi, and an indoor swimming pool. Dining options include an on-site restaurant and a bar, with room service also available. A fitness center is free, and other conveniences include a 24-hour front desk, non-smoking rooms, air conditioning, wheelchair accessibility, an elevator, free toiletries, and parking on site. Pet-friendly accommodations are available with extra charges.

Reviews: 71. Price starts from $134.

O’Fallon’s three-star stay blends practical comfort with simple indulgences. On-site dining at Garden Grille & Bar serves American fare, with a bar for evening drinks and room service available for late-night cravings. Free Wi‑Fi, complimentary toiletries, and on-site parking keep plans effortless, while an indoor pool invites a refreshing dip. Add in air conditioning, non-smoking rooms, and a 24-hour front desk for added convenience during every traveler’s itinerary.

Staying active is easy with a complimentary fitness center, and the indoor pool features a shallow end for relaxed swims. Pet-friendly accommodations are available with extra charges, ensuring four-legged companions can join the trip. An elevator helps with luggage and moving between floors, making the layout traveler-friendly.

Payment options include American Express, JCB, Mastercard, Visa, Diners Club, and Discover; cash is not accepted. This setup supports smooth arrivals and departures, while the combination of on-site dining, a pool, a gym, and pet-friendly policy makes for a versatile base in O’Fallon.