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Diamond Bar

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Diamond Bar Flights as Low as $66

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

Frontier Airlines
Wed, Apr 22 - Tue, May 12
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$66 Roundtrip, found 1 hour ago
$66
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Wed, Apr 22 from George Bush Intercontinental to Los Angeles Intl., returning Tue, May 12, priced at $66 found 1 hour ago
Frontier Airlines
Sat, Mar 7 - Sat, Mar 14
PDX
Portland Intl.
LAX
Los Angeles Intl.
$84 Roundtrip, found 4 hours ago
$84
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Sat, Mar 7 from Portland Intl. to Los Angeles Intl., returning Sat, Mar 14, priced at $84 found 4 hours ago
Spirit Airlines
Tue, Feb 24 - Tue, Mar 3
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$93 Roundtrip, found 1 hour ago
$93
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Tue, Feb 24 from George Bush Intercontinental to Los Angeles Intl., returning Tue, Mar 3, priced at $93 found 1 hour ago
Frontier Airlines
Mon, May 4 - Sun, May 10
IAH
George Bush Intercontinental
ONT
Los Angeles - Ontario Intl.
$108 Roundtrip, just found
$108
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, May 4 from George Bush Intercontinental to Los Angeles - Ontario Intl., returning Sun, May 10, priced at $108 just found
Alaska Airlines
Sat, May 9 - Wed, May 13
PDX
Portland Intl.
LAX
Los Angeles Intl.
$139 Roundtrip, found 3 hours ago
$139
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, May 9 from Portland Intl. to Los Angeles Intl., returning Wed, May 13, priced at $139 found 3 hours ago
Delta
Tue, Apr 21 - Sat, Apr 25
PDX
Portland Intl.
LAX
Los Angeles Intl.
$149 Roundtrip, found 4 hours ago
$149
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Apr 21 from Portland Intl. to Los Angeles Intl., returning Sat, Apr 25, priced at $149 found 4 hours ago
American Airlines
Tue, Mar 3 - Tue, Mar 17
PDX
Portland Intl.
LAX
Los Angeles Intl.
$152 Roundtrip, found 4 hours ago
$152
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Tue, Mar 3 from Portland Intl. to Los Angeles Intl., returning Tue, Mar 17, priced at $152 found 4 hours ago
Alaska Airlines
Sat, May 2 - Wed, May 6
PDX
Portland Intl.
ONT
Los Angeles - Ontario Intl.
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Portland Intl. to Los Angeles - Ontario Intl., returning Wed, May 6, priced at $157 found 4 hours ago
Alaska Airlines
Tue, May 5 - Tue, May 12
PDX
Portland Intl.
SNA
John Wayne
$157 Roundtrip, found 1 hour ago
$157
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, May 5 from Portland Intl. to John Wayne, returning Tue, May 12, priced at $157 found 1 hour ago
Hawaiian Airlines
Wed, Mar 4 - Sat, Mar 7
PDX
Portland Intl.
ONT
Los Angeles - Ontario Intl.
$161 Roundtrip, found 1 hour ago
$161
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Wed, Mar 4 from Portland Intl. to Los Angeles - Ontario Intl., returning Sat, Mar 7, priced at $161 found 1 hour ago
Frontier Airlines
Fri, Apr 24 - Sun, Apr 26
OKC
Will Rogers World
LAX
Los Angeles Intl.
$180 Roundtrip, found 1 day ago
$180
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Fri, Apr 24 from Will Rogers World to Los Angeles Intl., returning Sun, Apr 26, priced at $180 found 1 day ago
Frontier Airlines
Tue, Mar 31 - Mon, Apr 13
OKC
Will Rogers World
ONT
Los Angeles - Ontario Intl.
$182 Roundtrip, found 2 days ago
$182
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Tue, Mar 31 from Will Rogers World to Los Angeles - Ontario Intl., returning Mon, Apr 13, priced at $182 found 2 days ago
Spirit Airlines
Tue, Mar 24 - Mon, Mar 30
IAH
George Bush Intercontinental
SNA
John Wayne
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Tue, Mar 24 from George Bush Intercontinental to John Wayne, returning Mon, Mar 30, priced at $190 found 1 day ago
Delta
Sat, Mar 14 - Wed, Mar 25
PDX
Portland Intl.
LGB
Long Beach Municipal
$254 Roundtrip, found 1 hour ago
$254
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Mar 14 from Portland Intl. to Long Beach Municipal, returning Wed, Mar 25, priced at $254 found 1 hour ago
Delta
Tue, Mar 10 - Tue, Mar 17
OKC
Will Rogers World
SNA
John Wayne
$296 Roundtrip, found 3 days ago
$296
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 10 from Will Rogers World to John Wayne, returning Tue, Mar 17, priced at $296 found 3 days ago
Delta
Tue, May 12 - Tue, May 19
IAH
George Bush Intercontinental
LGB
Long Beach Municipal
$320 Roundtrip, just found
$320
Roundtrip
just found
Select Delta flight, departing Tue, May 12 from George Bush Intercontinental to Long Beach Municipal, returning Tue, May 19, priced at $320 just found

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 April, 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 $66, 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 $66 right now, why wait?

Diamond Bar Flight Information
Destination airport
John Wayne
Destination airport IATA code
SNA
Roundtrip price
$56

Last Minute Hotel Deals in Diamond Bar

Desert Palms Hotel & Suites

Desert Palms Hotel & Suites

3 out of 5
631 W Katella Ave Anaheim CA
Book a stay at this business-friendly hotel in Anaheim. Enjoy free breakfast, free WiFi, and a fitness center. Our guests praise the breakfast and the pool in ...
9/10 Wonderful! (3,036 reviews)
Very good

Reviewed on Feb 10, 2026

Get rates
Desert Palms Hotel & Suites
Hilton Anaheim

Hilton Anaheim

4 out of 5
777 W Convention Way Anaheim CA
Book a stay at this spa hotel in Anaheim. Enjoy a full-service spa, 4 restaurants, and 2 hot tubs. Our guests praise the helpful staff and the clean rooms in ...
8.8/10 Excellent! (940 reviews)
Room was updated, clean, and had everything we needed. The main lobby has A LOT going on and feels like you’re in Las Vegas. There are often lines for the elevators so add some time when coming or going. Be aware they will hold a $300 deposit on your credit card when checking in and parking is $46 ...

Reviewed on Feb 10, 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 ...
8.2/10 Very Good! (4,967 reviews)
It was clean ! Great stay .

Reviewed on Feb 5, 2026

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Anaheim Majestic Garden Hotel
Howard Johnson by Wyndham Anaheim Hotel & Water Playground

Howard Johnson by Wyndham Anaheim Hotel & Water Playground

3 out of 5
1380 S Harbor Blvd Anaheim CA
Book a stay at this family-friendly hotel in Anaheim. Enjoy free WiFi, free water park access, and parking (surcharge). Our guests praise the pool and the helpful ...
9/10 Wonderful! (2,628 reviews)
Friendly and helpful staff, clean facility, and good location to Disney Parks! I would stay here again.

Reviewed on Feb 7, 2026

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Howard Johnson by Wyndham Anaheim Hotel & Water Playground
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 ...
9/10 Wonderful! (2,333 reviews)
Staff courteous. Breakfast staff were great. We arrived at 935 and they made my son a waffle. So nice.

Reviewed on Feb 5, 2026

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Clementine Hotel & Suites Anaheim
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 ...
7.8/10 Good! (2,976 reviews)
Courteous staff . Clean room

Reviewed on Feb 9, 2026

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Hotel Huntington Beach
Cambria Hotel & Suites Anaheim Resort Area

Cambria Hotel & Suites Anaheim Resort Area

3.5 out of 5
101 E Katella Avenue Anaheim CA
Book a stay at this family-friendly hotel in Anaheim. Enjoy free breakfast, free WiFi, and 2 outdoor pools. Our guests praise the breakfast and the pool in our ...
9/10 Wonderful! (4,449 reviews)
Yes

Reviewed on Feb 6, 2026

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Cambria Hotel & Suites Anaheim Resort Area
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! (3,614 reviews)
Good walking distance from parks. Nice stay. Fast check in. Will consider staying in our future trips.

Reviewed on Feb 9, 2026

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Best Western Plus Stovall's Inn
See all 4,300 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.