Search Cheap Flights to
Diamond Bar

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Diamond Bar Flights as Low as $118

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Frontier Airlines
Frontier Airlines
Frontier Airlines
Bargain Flight
Alaska Airlines
Frontier Airlines
Delta
Bargain Flight
American Airlines
Alaska Airlines
Frontier Airlines
Alaska Airlines
American Airlines
Alaska Airlines
American Airlines
Bargain Flight

Cheap Flights to Diamond Bar

Fall in love at first flight with your vacation to Diamond Bar by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Diamond Bar on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Diamond Bar, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Diamond Bar

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Diamond Bar with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the QLA airport.

What is the cheapest month to fly to Diamond Bar?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Diamond Bar are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Diamond Bar?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 13 to choose from for your flight to Diamond Bar.

What airport is best to fly into Diamond Bar?

When you’re planning your trip to Diamond Bar, convenience is the name of the game. Luckily, Diamond Bar Ontario Intl. Airport Airport is nearby so you can deplane and get going on checking off everything on your Diamond Bar must-do list.

How much are flights to Diamond Bar?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Diamond Bar on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $118, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Diamond Bar?

The trick to saving a stack of cash on your flight to Diamond Bar? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $118 right now, why wait?

Diamond Bar Flight Information
Destination airport
Ontario Intl. Airport
Destination airport IATA code
ONT
Roundtrip price
$66

Last Minute Hotel Deals in Diamond Bar

Hilton Anaheim

Hilton Anaheim

4 out of 5
777 W Convention Way Anaheim CA
Book a stay at this family-friendly hotel in Anaheim. Enjoy 4 restaurants, 2 bars/lounges, and breakfast (surcharge). Our guests praise the helpful staff and ...
9/10 Wonderful! (1,646 reviews)
"Great stay and close to Disneyland."

Reviewed on Jun 6, 2026

Hilton Anaheim
Best Western Plus Stovall's Inn

Best Western Plus Stovall's Inn

2.5 out of 5
1110 W Katella Ave Anaheim CA
Book a stay at this business-friendly hotel in Anaheim. Enjoy free breakfast, free WiFi, and 2 outdoor pools. Our guests praise the breakfast and the pool in ...
8.8/10 Excellent! (3,902 reviews)
"We had a great stay. The rooms are very clean and comfortable and the free breakfast is terrific. We thought the staff were excellent as well. The location is very close to the backside of Disney, entering through the downtown Disney entrance. It’s hard to beat the price when you consider the location ..."

Reviewed on Jun 5, 2026

Best Western Plus Stovall's Inn
Anaheim Majestic Garden Hotel

Anaheim Majestic Garden Hotel

3.5 out of 5
900 S Disneyland Dr Anaheim CA
Book a stay at this family-friendly hotel in Anaheim. Enjoy free WiFi, 2 restaurants, and breakfast (surcharge). Our guests praise the breakfast and the pool ...
8.4/10 Very Good! (5,373 reviews)
"The set up of the hotel was a bit strange, I was not a fan of the rooms, the bed was uncomfortable and the restrooms were small. The hotel was further than I expected. The wow factor is only in the lobby section. You do get charged parking per day. On top of the hotel charge you have you get another ..."

Reviewed on Jun 6, 2026

Anaheim Majestic Garden Hotel
Hotel Huntington Beach

Hotel Huntington Beach

3 out of 5
7667 Center Ave Huntington Beach CA
Book a stay at this business-friendly hotel in Huntington Beach. Enjoy free WiFi, free parking, and breakfast (surcharge). Our guests praise the helpful staff ...
8/10 Very Good! (3,220 reviews)
"I like to stay there because it’s close to our family and it’s very convenient all the restaurants, and close to the freeway to get around."

Reviewed on Jun 6, 2026

Hotel Huntington Beach
Holiday Inn Santa Ana-Orange Co. Arpt by IHG

Holiday Inn Santa Ana-Orange Co. Arpt by IHG

3 out of 5
2726 S Grand Ave Santa Ana CA
Book a stay at this business-friendly hotel in Santa Ana. Enjoy free WiFi, a fitness center, and parking (surcharge). Our guests praise the helpful staff and ...
8.8/10 Excellent! (1,448 reviews)
"Breakfast was less than desirable. Usually breakfast is included. It is not worth the $19 Go next door and eat at Del Taco."

Reviewed on Jun 4, 2026

Holiday Inn Santa Ana-Orange Co. Arpt by IHG
Clementine Hotel & Suites Anaheim

Clementine Hotel & Suites Anaheim

3 out of 5
1700 S Clementine St Anaheim CA
Book a stay at this family-friendly hotel in Anaheim. Enjoy free breakfast, free WiFi, and a 24-hour front desk. Our guests praise the breakfast and the helpful ...
9.2/10 Wonderful! (2,654 reviews)
"We had a great stay, very clean"

Reviewed on Jun 6, 2026

Clementine Hotel & Suites Anaheim
Hyatt Regency Orange County

Hyatt Regency Orange County

4 out of 5
11999 Harbor Blvd Garden Grove CA
Book a stay at this family-friendly hotel in Garden Grove. Enjoy free WiFi, 2 outdoor pools, and 2 restaurants. Our guests praise the pool and the helpful staff ...
9.2/10 Wonderful! (5,886 reviews)
"Staff professional and courteous. Pleasant stay."

Reviewed on Jun 5, 2026

Hyatt Regency Orange County
Hotel Lulu, BW Premier Collection

Hotel Lulu, BW Premier Collection

3.5 out of 5
1850 S Harbor Blvd Anaheim CA
Stay at this hotel in Anaheim. Enjoy free WiFi, a fitness center, and parking (surcharge). Our guests praise the pool and the helpful staff in our reviews. Popular ...
8.8/10 Excellent! (4,599 reviews)
"Great place to stay, it’s my third trip in 2 years, this time was extra special since I took my 1yo daughter to Disneyland. Love this hotel since my first strip"

Reviewed on Jun 6, 2026

Hotel Lulu, BW Premier Collection
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.