Search Cheap Flights to
Diamond Bar

Photo by Daisy Pradyanata

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 $110

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

Spirit Airlines
Tue, Sep 2 - Sat, Sep 6
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$110 Roundtrip, found 6 hours ago
$110
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Tue, Sep 2 from George Bush Intercontinental to Los Angeles Intl., returning Sat, Sep 6, priced at $110 found 6 hours ago
Spirit Airlines
Thu, Aug 21 - Sat, Aug 23
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$120 Roundtrip, found 6 hours ago
$120
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Thu, Aug 21 from George Bush Intercontinental to Los Angeles Intl., returning Sat, Aug 23, priced at $120 found 6 hours ago
Frontier Airlines
Fri, Sep 5 - Sun, Sep 7
IAH
George Bush Intercontinental
ONT
Los Angeles - Ontario Intl.
$138 Roundtrip, found 15 hours ago
$138
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Fri, Sep 5 from George Bush Intercontinental to Los Angeles - Ontario Intl., returning Sun, Sep 7, priced at $138 found 15 hours ago
United
Sat, Sep 20 - Sat, Sep 20
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$146 Roundtrip, found 8 hours ago
$146
Roundtrip
found 8 hours ago
Select United flight, departing Sat, Sep 20 from George Bush Intercontinental to Los Angeles Intl., returning Sat, Sep 20, priced at $146 found 8 hours ago
Delta
Sat, Sep 20 - Sat, Sep 20
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$146 Roundtrip, found 8 hours ago
$146
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Sep 20 from George Bush Intercontinental to Los Angeles Intl., returning Sat, Sep 20, priced at $146 found 8 hours ago
American Airlines
Thu, Oct 16 - Tue, Oct 21
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$151 Roundtrip, found 7 hours ago
$151
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Thu, Oct 16 from George Bush Intercontinental to Los Angeles Intl., returning Tue, Oct 21, priced at $151 found 7 hours ago
Spirit Airlines
Wed, Sep 3 - Sat, Sep 6
EWR
Newark Liberty Intl. Airport
LAX
Los Angeles Intl.
$171 Roundtrip, found 8 hours ago
$171
Roundtrip
found 8 hours ago
Select Spirit Airlines flight, departing Wed, Sep 3 from Newark Liberty Intl. Airport to Los Angeles Intl., returning Sat, Sep 6, priced at $171 found 8 hours ago
Spirit Airlines
Wed, Aug 20 - Tue, Aug 26
IAH
George Bush Intercontinental
SNA
John Wayne
$173 Roundtrip, found 1 day ago
$173
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Wed, Aug 20 from George Bush Intercontinental to John Wayne, returning Tue, Aug 26, priced at $173 found 1 day ago
Spirit Airlines
Tue, Jul 29 - Wed, Aug 6
EWR
Newark Liberty Intl. Airport
SNA
John Wayne
$177 Roundtrip, found 22 hours ago
$177
Roundtrip
found 22 hours ago
Select Spirit Airlines flight, departing Tue, Jul 29 from Newark Liberty Intl. Airport to John Wayne, returning Wed, Aug 6, priced at $177 found 22 hours ago
Alaska Airlines
Thu, Oct 16 - Tue, Oct 21
IAH
George Bush Intercontinental
LAX
Los Angeles Intl.
$203 Roundtrip, found 7 hours ago
$203
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Thu, Oct 16 from George Bush Intercontinental to Los Angeles Intl., returning Tue, Oct 21, priced at $203 found 7 hours ago
JetBlue Airways
Sat, Sep 6 - Sat, Sep 6
EWR
Newark Liberty Intl. Airport
LAX
Los Angeles Intl.
$232 Roundtrip, found 6 hours ago
$232
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Sat, Sep 6 from Newark Liberty Intl. Airport to Los Angeles Intl., returning Sat, Sep 6, priced at $232 found 6 hours ago
Delta
Sat, Nov 8 - Tue, Nov 18
IAH
George Bush Intercontinental
LGB
Long Beach Municipal
$237 Roundtrip, found 8 hours ago
$237
Roundtrip
found 8 hours ago
Select Delta flight, departing Sat, Nov 8 from George Bush Intercontinental to Long Beach Municipal, returning Tue, Nov 18, priced at $237 found 8 hours ago
Hawaiian Airlines
Tue, Nov 18 - Mon, Dec 15
EWR
Newark Liberty Intl. Airport
LAX
Los Angeles Intl.
$267 Roundtrip, found 1 hour ago
$267
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Tue, Nov 18 from Newark Liberty Intl. Airport to Los Angeles Intl., returning Mon, Dec 15, priced at $267 found 1 hour ago
United
Tue, Aug 26 - Tue, Sep 2
EWR
Newark Liberty Intl. Airport
ONT
Los Angeles - Ontario Intl.
$281 Roundtrip, found 8 hours ago
$281
Roundtrip
found 8 hours ago
Select United flight, departing Tue, Aug 26 from Newark Liberty Intl. Airport to Los Angeles - Ontario Intl., returning Tue, Sep 2, priced at $281 found 8 hours ago
Sun Country Airlines
Thu, Nov 20 - Wed, Dec 17
EWR
Newark Liberty Intl. Airport
LAX
Los Angeles Intl.
$378 Roundtrip, found 1 hour ago
$378
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Thu, Nov 20 from Newark Liberty Intl. Airport to Los Angeles Intl., returning Wed, Dec 17, priced at $378 found 1 hour ago
Delta
Tue, Sep 16 - Tue, Sep 23
EWR
Newark Liberty Intl. Airport
LGB
Long Beach Municipal
$440 Roundtrip, found 6 hours ago
$440
Roundtrip
found 6 hours ago
Select Delta flight, departing Tue, Sep 16 from Newark Liberty Intl. Airport to Long Beach Municipal, returning Tue, Sep 23, priced at $440 found 6 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 September, 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 $110, 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 $110 right now, why wait?

Diamond Bar Flight Information
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Roundtrip price
$57

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 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 ...
7.8/10 Good! (3,332 reviews)
"View"

Reviewed on Jul 5, 2025

Get rates
Hilton Anaheim
Motel 6 Anaheim Maingate
Motel 6 Anaheim Maingate
2 out of 5
Anaheim
Stay at this motel in Anaheim. Enjoy free WiFi, parking (surcharge), and a 24-hour front desk. Our guests praise the pool and the helpful staff in our reviews. ...
8/10 Very Good! (4,802 reviews)
"Great"

Reviewed on Jul 2, 2025

Get rates
Motel 6 Anaheim Maingate
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
Stay at this 3-star family-friendly hotel in Anaheim. Enjoy free WiFi, free water park access, and parking (surcharge). Our guests praise the pool and the helpful ...
8.8/10 Excellent! (2,386 reviews)
"The staff was very nice"

Reviewed on Jul 5, 2025

Get rates
Howard Johnson by Wyndham Anaheim Hotel & Water Playground
Holiday Inn Hotel & Suites Anaheim by IHG
Holiday Inn Hotel & Suites Anaheim by IHG
3 out of 5
1240 S Walnut St, Anaheim, CA
Stay at this 3-star business-friendly hotel in Anaheim. Enjoy free WiFi, free water park access, and breakfast (surcharge). Our guests praise the restaurant ...
8/10 Very Good! (1,752 reviews)
"Safe and secure"

Reviewed on Jul 4, 2025

Get rates
Holiday Inn Hotel & Suites Anaheim by IHG
Grand Legacy At the Park
Grand Legacy At the Park
2.5 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 ...
8.2/10 Very Good! (3,366 reviews)
"Great property, great staff."

Reviewed on Jul 4, 2025

Get rates
Grand Legacy At the Park
Hyatt Regency Orange County
Hyatt Regency Orange County
4 out of 5
11999 Harbor Blvd, Garden Grove, CA
Stay at this 4-star eco-certified hotel in Garden Grove. Enjoy free WiFi, 2 outdoor pools, and 2 restaurants. Our guests praise the pool and the helpful staff ...
9/10 Wonderful! (5,294 reviews)
"Loved my stay here. They have a huge sports complex onsite. I will be coming back just to use that."

Reviewed on Jul 2, 2025

Get rates
Hyatt Regency Orange County
Del Sol Inn - Anaheim Resort
Del Sol Inn - Anaheim Resort
2 out of 5
1604 S Harbor Blvd, Anaheim, CA
Stay at this hotel in Anaheim. Enjoy free WiFi, valet parking (surcharge), and a 24-hour front desk. Our guests praise the helpful staff and the clean rooms ...
8.2/10 Very Good! (1,630 reviews)
A family Fav!
"We love this hotel! A perfect place to stay for larger families that is budget friendly and directly across the street from Disney entrance! The rooms are always clean, the pool is always clear and the staff are great with managing your vehicle for you."

Reviewed on Jul 1, 2025

Get rates
Del Sol Inn - Anaheim Resort
Anaheim Majestic Garden Hotel
Anaheim Majestic Garden Hotel
3.5 out of 5
900 S Disneyland Dr, Anaheim, CA
Stay at this 3.5-star 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! (4,681 reviews)
"I like that it had a bus that took us to Disneyland."

Reviewed on Jul 4, 2025

Get rates
Anaheim Majestic Garden Hotel
See all 3,953 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.