Avg. for September
Select dates to see prices and availability
Avg. for September
Nightly prices at Best Western Diamond Bar Hotel & Suites average $94 in September, the cheapest month, and $118 in March, the most expensive, based on the last 12 months.
| Month | Average price |
|---|---|
| January | $102 |
| February | $116 |
| March | $118 |
| April | $109 |
| May | $116 |
| June | $108 |
| July | $101 |
| September | $94 |
| October | $98 |
| November | $100 |
| December | $98 |
Most expensive: March (~$118)
Cheapest: September (~$94)
Parking
Swimming pool
Non-Smoking Rooms
Business Center
Housekeeping
Banquet Facilities
California State Polytechnic University, Pomona (2.7 miles)
Mount San Antonio College (5.2 miles)
The Fox Theater Pomona (5.4 miles)
Western University of Health Sciences (5.5 miles)
The Glass House Concert Hall (5.5 miles)
Fairplex (5.8 miles)
5
Room details
Sleeps 4
4
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Sleeps 2
4
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Sleeps 2
4
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Sleeps 2
4
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Sleeps 4
4
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Sleeps 4
Based on 1,010 verified reviews
AI-generated summary based on recent guest reviews
At Best Western Diamond Bar Hotel & Suites, guests frequently note spacious, recently updated rooms and convenient freeway access with walkable dining, alongside recurring complaints about freeway noise, uneven cleanliness, and inconsistent front-desk service and check-in times.
Read moreWas this helpful?
Melissa
4 weeks ago
·
Stayed 1 night
Hsin Wha
4 weeks ago
·
Stayed 2 nights
Hsin Wha
Aug 25, 2026
·
Stayed 2 nights
Mosi
Aug 24, 2026
·
Stayed 3 nights
Dionisio
Aug 20, 2026
·
Stayed 1 night
Check-in
Check-out
From 16:00 to 00:00
Before 11:00
Free self-parking is available on-site, but it is limited.
A complimentary buffet breakfast is served on weekdays from 6:00 AM to 9:00 AM and on weekends from 6:00 AM to 9:30 AM.
Check-in is at 4:00 PM and check-out is at 11:00 AM. Early or late check-in/check-out may be available upon request but cannot be guaranteed.
The property offers step-free entrances and wheelchair-accessible facilities, including the registration desk, public areas, and rooms.
The hotel is centrally located in Diamond Bar, within a 15-minute drive of Brea Mall and California State University, Fullerton. It is approximately 14.5 miles from Ontario Convention Center and 3 miles from California State Polytechnic University, Pomona.
Yes, there is an outdoor swimming pool available, which is operational from 8:00 AM to 9:00 PM.
Children stay free when occupying the parent or guardian's room using existing bedding. However, children may not be eligible for complimentary breakfast.
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Instant AI responses are based on hotel information
Over the next 60–90 days, room rates at Best Western Diamond Bar Hotel & Suites in Diamond Bar typically land around $134 a night for two guests, ranging from $130 to $144 on available dates.
July is the quietest month to visit Best Western Diamond Bar Hotel & Suites in Diamond Bar, with demand much lower than the winter peak. January is the busiest month, so expect larger crowds and fuller occupancy then.
Set in California, Best Western Diamond Bar Hotel & Suites in Diamond Bar is convenient for families and business travelers, with nearby draws like California State Polytechnic University, Pomona, The Fox Theater Pomona and Fairplex. The area also offers easy access to Raging Waters and several medical and education centers, making it a practical base for events and campus visits.
September is the cheapest month to stay at Best Western Diamond Bar Hotel & Suites in Diamond Bar, averaging about $110 a night; March is the priciest at about $133. September’s lower rates come despite July being the quietest month for crowds, so the calmest month and the cheapest month do not match.
The current price at Best Western Diamond Bar Hotel & Suites in Diamond Bar is $101 per night for 2 guests, which is typical for this hotel: within 10% of its $107 average over the last 60 days. Most nights over that period fell between $100 and $148.
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Cheaper
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Average nightly price across deals, with taxes & fees.
Prices in USD for 2 guests, updated daily.