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Diamond Bar

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Diamond Bar Flights as Low as $56

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

Frontier Airlines
Thu, May 28 - Tue, Jun 9
SFO
San Francisco Intl.
ONT
Los Angeles - Ontario Intl.
$56 Roundtrip, just found
$56
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, May 28 from San Francisco Intl. to Los Angeles - Ontario Intl., returning Tue, Jun 9, priced at $56 just found
Frontier Airlines
Sat, May 30 - Wed, Jun 10
SFO
San Francisco Intl.
LAX
Los Angeles Intl.
$58 Roundtrip, found 4 hours ago
$58
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, May 30 from San Francisco Intl. to Los Angeles Intl., returning Wed, Jun 10, priced at $58 found 4 hours ago
Frontier Airlines
Sat, May 16 - Wed, Jun 3
DEN
Denver Intl.
LAX
Los Angeles Intl.
$78 Roundtrip, found 1 day ago
$78
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, May 16 from Denver Intl. to Los Angeles Intl., returning Wed, Jun 3, priced at $78 found 1 day ago
Frontier Airlines
Tue, May 12 - Wed, May 13
DEN
Denver Intl.
ONT
Los Angeles - Ontario Intl.
$82 Roundtrip, found 3 hours ago
$82
Roundtrip
found 3 hours ago
Select Frontier Airlines flight, departing Tue, May 12 from Denver Intl. to Los Angeles - Ontario Intl., returning Wed, May 13, priced at $82 found 3 hours ago
Frontier Airlines
Sun, May 10 - Thu, May 28
SFO
San Francisco Intl.
SNA
John Wayne
$133 Roundtrip, found 23 hours ago
$133
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sun, May 10 from San Francisco Intl. to John Wayne, returning Thu, May 28, priced at $133 found 23 hours ago
Frontier Airlines
Sat, May 23 - Thu, May 28
DEN
Denver Intl.
SNA
John Wayne
$154 Roundtrip, found 12 hours ago
$154
Roundtrip
found 12 hours ago
Select Frontier Airlines flight, departing Sat, May 23 from Denver Intl. to John Wayne, returning Thu, May 28, priced at $154 found 12 hours ago
Frontier Airlines
Mon, Jun 8 - Tue, Jun 9
DFW
Dallas-Fort Worth Intl.
LAX
Los Angeles Intl.
$161 Roundtrip, found 3 days ago
$161
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Mon, Jun 8 from Dallas-Fort Worth Intl. to Los Angeles Intl., returning Tue, Jun 9, priced at $161 found 3 days ago
Frontier Airlines
Tue, May 12 - Wed, May 13
DFW
Dallas-Fort Worth Intl.
ONT
Los Angeles - Ontario Intl.
$162 Roundtrip, found 1 day ago
$162
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Tue, May 12 from Dallas-Fort Worth Intl. to Los Angeles - Ontario Intl., returning Wed, May 13, priced at $162 found 1 day ago
Frontier Airlines
Sat, May 16 - Sun, May 24
DFW
Dallas-Fort Worth Intl.
SNA
John Wayne
$173 Roundtrip, found 23 hours ago
$173
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Dallas-Fort Worth Intl. to John Wayne, returning Sun, May 24, priced at $173 found 23 hours ago
Delta
Thu, Aug 20 - Fri, Aug 28
DEN
Denver Intl.
LGB
Long Beach Municipal
$198 Roundtrip, found 1 day ago
$198
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Aug 20 from Denver Intl. to Long Beach Municipal, returning Fri, Aug 28, priced at $198 found 1 day ago
Delta
Sun, Jul 26 - Wed, Jul 29
DFW
Dallas-Fort Worth Intl.
LGB
Long Beach Municipal
$287 Roundtrip, just found
$287
Roundtrip
just found
Select Delta flight, departing Sun, Jul 26 from Dallas-Fort Worth Intl. to Long Beach Municipal, returning Wed, Jul 29, priced at $287 just found
Delta
Tue, Aug 18 - Tue, Sep 1
DAL
Love Field
LAX
Los Angeles Intl.
$399 Roundtrip, just found
$399
Roundtrip
just found
Select Delta flight, departing Tue, Aug 18 from Love Field to Los Angeles Intl., returning Tue, Sep 1, priced at $399 just found
Delta
Tue, Jun 9 - Sat, Jun 13
DAL
Love Field
ONT
Los Angeles - Ontario Intl.
$400 Roundtrip, found 2 hours ago
$400
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Jun 9 from Love Field to Los Angeles - Ontario Intl., returning Sat, Jun 13, priced at $400 found 2 hours ago
Delta
Tue, Jun 2 - Wed, Jun 3
SFO
San Francisco Intl.
LGB
Long Beach Municipal
$438 Roundtrip, found 2 hours ago
$438
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Jun 2 from San Francisco Intl. to Long Beach Municipal, returning Wed, Jun 3, priced at $438 found 2 hours ago
Delta
Sun, Jun 7 - Mon, Jun 22
DAL
Love Field
SNA
John Wayne
$453 Roundtrip, found 2 days ago
$453
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Jun 7 from Love Field to John Wayne, returning Mon, Jun 22, priced at $453 found 2 days ago
Delta
Wed, Jul 29 - Tue, Aug 4
DAL
Love Field
LGB
Long Beach Municipal
$533 Roundtrip, found 13 hours ago
$533
Roundtrip
found 13 hours ago
Select Delta flight, departing Wed, Jul 29 from Love Field to Long Beach Municipal, returning Tue, Aug 4, priced at $533 found 13 hours ago

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 May, 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 16 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 Los Angeles - Ontario Intl. 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 $56, 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 $56 right now, why wait?

Diamond Bar Flight Information
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Roundtrip price
$56

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 ...
8.8/10 Excellent! (1,334 reviews)
I liked that its connected with convention center making it easy as a cheer mom going back and forth throughout the day will definitely stay here again

Reviewed on Apr 24, 2026

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Hilton Anaheim
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! (5,182 reviews)
Perfect stay

Reviewed on Apr 24, 2026

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Anaheim Majestic Garden Hotel
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 ...
9/10 Wonderful! (3,810 reviews)
The bed was comfortable, the shower was nice with an adjustable shower head. The room was spacious. There was ample storage for 3 people. I love it when there are large drawers AND hanging. Lots of pillows. Didn't use the pool but it looked nice and the whole grounds were so cute with topiary everywhere. ...

Reviewed on Apr 24, 2026

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Best Western Plus Stovall's Inn
Hotel Fera Anaheim, a DoubleTree by Hilton

Hotel Fera Anaheim, a DoubleTree by Hilton

4 out of 5
100 The City Dr S Orange CA
Book a stay at this business-friendly hotel in Orange. Enjoy 2 outdoor pickleball courts, breakfast (surcharge), and room service. Our guests praise the restaurant ...
8.8/10 Excellent! (4,113 reviews)
The staff at this location are very helpful and accommodating. While the restaurant and bar are also nice- the prices for food and drinks are steep, considering we are not staying in a state of the art hotel. The $35/night parking is a bit steep considering the hotel itself offers virtually no other ...

Reviewed on Apr 24, 2026

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Hotel Fera Anaheim, a DoubleTree by Hilton
Grand Legacy At the Park

Grand Legacy At the Park

4 out of 5
1650 S Harbor Blvd Anaheim CA
Stay at this hotel in Anaheim. Enjoy free WiFi, 3 restaurants, and a rooftop terrace. Our guests praise the pool and the helpful staff in our reviews. Popular ...
8.4/10 Very Good! (4,256 reviews)
Room was clean enough. The hotel is very run down. The entire 4th floor smelled like spray paint the entire time we were there. It looked like they were using spray paint to patch paint scratches on the wall. One elevator and is used for the rooftop bar restaurant. We never got to use it because ...

Reviewed on Apr 25, 2026

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Grand Legacy At the Park
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! (5,819 reviews)
There ended up being a big convention or something the same time we were there. The elevator took so long we took the stairs several times which was a hassle with a stroller

Reviewed on Apr 25, 2026

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Hyatt Regency Orange County
The Viv Hotel, Anaheim, a Tribute Portfolio Hotel

The Viv Hotel, Anaheim, a Tribute Portfolio Hotel

4.5 out of 5
1601 S ANAHEIM BLVD Anaheim CA
Book a stay at this luxury hotel in Anaheim. Enjoy free WiFi, 2 outdoor pools, and 2 restaurants. Our guests praise the pool and the restaurant in our reviews. ...
9/10 Wonderful! (2,875 reviews)
We stayed the week after spring break and it was perfect!! The pool area is amazing! We huddled up by the fire and the kids played in the pool! The staff was very friendly and helpful when I forgot a key. Room was a 10/10 stay! Super cozy and hardwood floor which is a must for me! We will be going ...

Reviewed on Apr 24, 2026

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The Viv Hotel, Anaheim, a Tribute Portfolio Hotel
The Westin Anaheim Resort

The Westin Anaheim Resort

4.5 out of 5
1030 W Katella Avenue Anaheim CA
Book a stay at this luxury hotel in Anaheim. Enjoy 4 restaurants, breakfast (surcharge), and 24-hour room service. Our guests praise the helpful staff and the ...
9.4/10 Exceptional! (1,646 reviews)
Friendly staff, Valet, Bell desk, bar and restaurant staff and front desk people were all very helpful and anticipated our every need.

Reviewed on Apr 22, 2026

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The Westin Anaheim Resort
See all 4,370 properties in Diamond Bar
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.