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The Mission Inn Hotel & Spa Riverside, California
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Hotel comparison guide

The Mission Inn Hotel & Spa vs Ayres Suites Ontario at the Mills Mall Rancho Cucamonga

The Mission Inn Hotel & Spa is a National Historic Landmark in downtown Riverside with multiple restaurants, a full-service spa, and museum tours—good for travelers who want history, dining variety, and a resort-style downtown stay. Ayres Suites Ontario at the Mills Mall - Rancho Cucamonga is a regional boutique-style suites hotel near Ontario Mills, aimed at travelers who want roomy suites, complimentary breakfast and easy access to Ontario attractions and the airport.

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Suite with separate living area and king bed visible through doorway at The Mission Inn Hotel & Spa

The Mission Inn Hotel & Spa

Historic landmark · Full-service spa · Downtown restaurants

Best for history, architecture and a full-service spa experience in a landmark property.

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Ayres Suites Ontario at the Mills Mall Rancho Cucamonga, Ontario, California

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga

Boutique suites · Near Ontario Mills · Free airport shuttle

Best for travelers who want suite-style rooms near Ontario Mills and complimentary airport transfer.

Quick Verdict: The Mission Inn Hotel & Spa vs Ayres Suites Ontario at the Mills Mall Rancho Cucamonga

When The Mission Inn Hotel & Spa wins: choose the Mission Inn if you want a stay that’s part-museum, with historic architecture, multiple distinct on-site restaurants and lounges, guided tours, and a recognized full-service spa (Kelly’s Spa). It’s a destination property for weddings, events and sightseeing in downtown Riverside.

When Ayres Suites Ontario at the Mills Mall - Rancho Cucamonga wins: choose Ayres if you need practical, roomy suites, weekday business amenities, a weekday/full complimentary breakfast, easy access to Ontario Mills and Toyota Arena, and a complimentary airport shuttle—good for short-stay travelers, families, and event attendees in Ontario.

Bottom line: pick The Mission Inn for atmosphere, dining variety and spa-driven stays; pick Ayres Suites Ontario for convenience, suite space and practical amenities near major retail and the airport.

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The Mission Inn Hotel & Spa vs Ayres Suites Ontario at the Mills Mall Rancho Cucamonga – At a Glance

Side-by-side facts for The Mission Inn Hotel & Spa and Ayres Suites Ontario at the Mills Mall Rancho Cucamonga
CategoryThe Mission Inn Hotel & SpaAyres Suites Ontario at the Mills Mall Rancho Cucamonga
Overall vibeHistoric, landmark hotel with ornate architecture and museum-style featuresRegional boutique-style suites hotel focused on convenience and practical amenities
LocationDowntown Riverside — walkable to museums, Fox Performing Arts Center and the convention centerAdjacent to Ontario Mills Shopping Mall and close to Toyota Arena
Size238 rooms across 5 floors; large event footprint (20,000 sq ft of meeting space)140 guestrooms; 1,496 sq ft conference/meeting space
Audience / age policyAll ages welcome; family-friendly (kids can stay free under certain rules)All ages welcome; not adults-only
Pools & hot tubsHeated outdoor pool and Jacuzzi (year-round; hours published)Outdoor pool and hot tub (supplier listing)
Restaurants & barsMultiple on-site restaurants and lounges (Mission Inn Restaurant, Duane's/Steakhouse, Las Campanas, Bella Trattoria, California Lounge, Presidential Lounge, plus Casey's Cupcakes and Afternoon Tea)Not published
Spa & wellnessKelly’s Spa — full-service, 12 treatment rooms, signature Roman bathing treatments and recognized by travel mediaNot published
Airport accessCommonly reached from LA/Ontario International Airport (ONT); drive time varies by routePreferred airport: Ontario Intl. Airport (ONT); complimentary roundtrip airport shuttle (24 hours)
Free breakfastBreakfast available for a fee (not complimentary)Complimentary full breakfast (weekday and weekend hours noted)
ParkingValet and self-parking available for a surcharge; EV charging on siteFree self parking

A Look Inside The Mission Inn Hotel & Spa

The Mission Inn Hotel & Spa: rooms & suitesRooms & suitesThe Mission Inn Hotel & Spa: pools & beachPools & beachThe Mission Inn Hotel & Spa: diningDiningThe Mission Inn Hotel & Spa: spa & wellnessSpa & wellness
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Location: Downtown Riverside vs Ontario Mills

The Mission Inn Hotel & Spa – Location

The Mission Inn sits on a block in Historic Downtown Riverside within walking distance of local museums, theaters and the convention center.

  • Address: 3649 Mission Inn Avenue, Riverside, CA.
  • Walkable to Riverside Metropolitan Museum, Fox Performing Arts Center and Riverside Art Museum.
  • Popular for sightseeing and local events; convenient to downtown dining and cultural attractions.

A strong choice if you want to stay in the middle of Riverside’s historic and cultural district.

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga – Location

Ayres Suites Ontario is placed immediately beside Ontario Mills, close to Toyota Arena and local retail/entertainment.

  • Address: 4370 Mills Circle, Ontario, CA 91764.
  • 0.3 mi to Ontario Mills and about 0.7 mi to Toyota Arena per supplier listing.
  • Complimentary 24-hour roundtrip airport shuttle to/from Ontario Intl. Airport (preferred airport).

Pick Ayres for convenient access to shopping, arena events and quick airport transfers.

Rooms: Suites and variety vs landmark rooms

The Mission Inn Hotel & Spa – Rooms

The Mission Inn offers a variety of room types across a historic property, including junior suites and character rooms named for the hotel’s history.

  • 238 rooms across 5 floors, with room types such as Junior Suite, Room (Mission), Room (Raincross) and Deluxe Room.
  • Rooms are part of a historic building with period architecture and museum-like décor.
  • In-room amenities and service levels align with a full-service 4-star landmark hotel.

Choose the Mission Inn for rooms with historic character and a broad selection of on-property services.

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga – Rooms

Ayres Suites focuses on suite-style layouts and practical in-room amenities.

  • 140 guestrooms with multiple suite and studio formats (examples: Studio Suite, 1 King Bed with Sofa bed, Executive King Studio Suite, Suite Executive Queen Bed).
  • Many rooms include refrigerators and microwaves; pillowtop beds and 32-inch flat-screen TVs noted in supplier listing.
  • Room flexibility for families or longer stays with sofa beds and multi-bed options.

Ayres is good when you want suite space, basic in-room kitchen amenities and consistent room types.

Dining & drinks: Multiple signature venues vs practical options

The Mission Inn Hotel & Spa – Dining & drinks

The Mission Inn provides several distinct dining venues that cover casual to semiformal meals and specialty experiences.

  • On-site restaurants include Mission Inn Restaurant, Duane's Prime Steaks & Seafood (Steakhouse), Las Campanas Mexican Cuisine & Tequila Bar and Bella Trattoria.
  • Multiple lounges: California Lounge and Presidential Lounge; afternoon tea and Casey’s Cupcakes also offered.
  • Sunday Brunch and reservations recommended for finer-dining outlets; dress codes apply at Duane’s/Steakhouse.

If diverse on-site dining and formal restaurant experiences matter, the Mission Inn has the edge.

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga – Dining & drinks

Supplier listing does not publish on-site signature restaurants for Ayres Suites Ontario at the Mills Mall.

  • Complimentary full breakfast is provided (weekday and weekend hours noted).
  • Room service is available during limited hours per supplier listing.
  • For more extensive dining choices, Ontario Mills and adjacent retail/food courts are within walking distance.

Expect practical dining and easy access to mall restaurants rather than multiple hotel signature venues.

Pools & the signature amenity: Spa and historic pool vs pool and shuttle

The Mission Inn Hotel & Spa – Pools & the signature amenity

The Mission Inn pairs a year-round heated outdoor pool and Jacuzzi with a destination spa (Kelly’s Spa) as its signature amenities.

  • Heated outdoor pool and Jacuzzi open daily with published hours.
  • Kelly’s Spa: full-service Tuscan-inspired spa with Roman bathing tubs, 12 treatment rooms and signature treatments.
  • Spa visits include access to the pool, steam room and relaxation areas; spa is open to outside guests by reservation.

The Mission Inn’s spa and historic setting are central parts of its appeal.

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga – Pools & the signature amenity

Ayres Suites lists recreational amenities suitable for short stays and families.

  • Outdoor pool and hot tub available per supplier listing.
  • Fitness facilities available on site.
  • Complimentary roundtrip airport shuttle supports transit-focused travelers.

Ayres emphasizes practical recreation, free airport transfers and fitness rather than an on-site luxury spa experience.

Wellness & nightlife: Spa and downtown evenings vs mall/arena convenience

The Mission Inn Hotel & Spa – Wellness & nightlife

The Mission Inn supports wellness with a full-service spa, sauna/steam and a fitness center; downtown Riverside provides evening dining and cultural programming.

  • Kelly’s Spa has packages and signature rituals (Fountain of Youth, couples packages).
  • Fitness center open early–late for guest use; spa bookings available to non-guests.
  • Evenings can include downtown dining, theater events at the Fox Performing Arts Center, and hotel lounges.

Mission Inn suits travelers who want spa time plus downtown nightlife and culture.

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga – Wellness & nightlife

Ayres Suites supports practical wellness and evening options through on-site fitness and nearby retail/arena entertainment.

  • Fitness facilities and a pool for casual exercise and relaxation.
  • Close to Toyota Arena and mall-based dining and entertainment for evening plans.
  • Multilingual staff and business-center services for busy travelers.

Ayres is convenient for event evenings or late arrivals that need quick access to arena or mall dining.

Who Wins? Best Pick by Travel Style

Best for historic/romantic stays
Ornate tiled hallway with mosaic floor and mural-lit alcoves at The Mission Inn Hotel & Spa

The Mission Inn Hotel & Spa

The Mission Inn — historic architecture, museum tours, chapels and ornate dining rooms make it the clear pick for romance, history and photo-ready settings.

Best for suites and airport convenience
Ayres Suites Ontario at the Mills Mall Rancho Cucamonga, Ontario, California

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga

Ayres Suites Ontario — suite layouts, complimentary airport shuttle and proximity to Ontario Mills favor travelers prioritizing convenience and space.

Best for on-site dining variety
Reception desk and sculpture in an elegant lobby area at The Mission Inn Hotel & Spa

The Mission Inn Hotel & Spa

The Mission Inn — multiple restaurants and lounges serving steak, Italian, Mexican and California cuisine plus tea and pastry options.

Best for practical business or event stays near the mall/arena
Ayres Suites Ontario at the Mills Mall Rancho Cucamonga, Ontario, California

Ayres Suites Ontario at the Mills Mall Rancho Cucamonga

Ayres Suites Ontario — meeting rooms, free wired internet, business center and proximity to Toyota Arena and retail make it sensible for short business trips and arena events.

Frequently asked questions

The Mission Inn Hotel & Spa vs Ayres Suites Ontario at the Mills Mall Rancho Cucamonga: FAQs

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Which property is better if I want a spa day?

The Mission Inn — Kelly’s Spa is an on-site full-service spa with signature bathing rituals and treatments; Ayres Suites Ontario does not publish a comparable on-site spa.

Which hotel offers complimentary breakfast?

Ayres Suites Ontario offers a complimentary full breakfast; The Mission Inn offers full breakfast but it is charged as an extra (not complimentary).

Which is better for attending an event at Toyota Arena?

Ayres Suites Ontario is closer to Toyota Arena and Ontario Mills, and provides a complimentary roundtrip airport shuttle; it’s the more convenient choice for arena events.

Can I park at both hotels?

Yes — The Mission Inn offers valet and self-parking for a surcharge and has an EV charging station; Ayres Suites Ontario lists free self parking in its supplier listing.

More The Mission Inn Hotel & Spa Comparison Guides

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