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Cheap Flights to Diamond Bar , CA from CA $127

View CA $127 flight on Wed, Oct 14, 2026Opens in a new window

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How much is the cheapest flight to Diamond Bar?

Prices were available within the past 7 days and start at CA $127 for one-way flights and CA $243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flair Airlines
Alaska Airlines
Air Canada
United
WestJet

Find the cheapest month to fly from Columbus (CMH) to Los Angeles (LAX)

From CA $321 - CA $601 per traveller.

Frequently asked questions

What is the name of Diamond Bar's airport?
Diamond Bar is served by just a single airport, Los Angeles Intl. Airport (LAX).
What airport is best to fly into Diamond Bar?
Diamond Bar is a favorite with travelers, and it has the airports to prove it. If you're heading off on a trip to this lively city, you'll likely step off the plane at Los Angeles Intl. Airport (LAX) (56 kilometres from downtown). If not, it'll probably be Ontario Airport (23 kilometres from downtown) or Long Beach Airport (32 kilometres from downtown).
How many airlines fly to Diamond Bar?
Diamond Bar is serviced by 63 airlines from at least 155 airports around the world.
Which airlines fly to Diamond Bar?
Most often, travelers fly with Southwest Airlines, Spirit Airlines and Delta Air Lines when going to Diamond Bar. The biggest proportion of these flights come from Las Vegas, with Southwest Airlines operating this route the most frequently.
How many nonstop flights are there to Diamond Bar?
With around 5,323 nonstop flights every week, you'll be landing in Diamond Bar before you can ask, "Are we there yet?"
Where are the most popular flights to Diamond Bar departing from?
Travelers often jet off from San Francisco, Dallas and Seattle airports when going to Diamond Bar.
How long is the flight to Diamond Bar Airport?
Where you depart from determines how much of the in-flight entertainment you'll get to see. From Las Vegas to Diamond Bar, the average flight time is 1 hour and 8 minutes. From San Francisco it's more or less 1 hour and 27 minutes, and from Phoenix it's 1 hour and 21 minutes.
How to book the cheapest flight to Diamond Bar?
If you want to have some extra spending money on your trip to Diamond Bar, then listen up! As any experienced traveler will tell you, don't leave booking until the last minute. Airfares are usually more expensive close to the departure date. Also, do some online research and compare your options. If your destination has several airports, you may be able to nab a great price by flying into a less busy terminal. Lastly, another easy way to save a few dollars is be ready to book at a moment's notice. If you stumble on an amazing deal, don't think twice — grab it while the opportunity's there.
How to survive the flight to Diamond Bar?
Depending on where you're coming from, your trip to Diamond Bar could be a piece of cake or it could drag on forever. We've put together some useful tips that will help you start your next big adventure on the right foot.What to pack in your hand luggage:
  • Air travel can be easy if you bring the right stuff. Firstly, you'll want a few basic toiletry items, such as a toothbrush and some deodorant, a clean pair of socks and a magazine or two. Next, make room in your hand luggage for your electronic devices, chargers, any daily medications and maybe a quality neck pillow as well. Lastly, and most importantly, remember to take your passport, travel papers and some cash.
Do not pack the following items in your hand luggage:
  • Pack all your full-sized bottles of shampoo and hairspray in your checked baggage. Any gels or liquids in your carry-on suitcase larger than 3.4 ounces (100 milliliters) won't be allowed on. Sharp or pointed objects, like a pocket knife, and dangerous products which are flammable or explosive, such as flares, chemicals agents and matches, are also banned.
What to wear on a flight:
  • The key to a comfortable flight can be as simple as your choice in clothes. Prepare yourself for varying temperatures by bringing layers. This will keep you nice and warm if the cabin begins to cool down. Shoes like sandals and heels are best left for other occasions. Instead, opt for flat, closed-toed footwear like sneakers. Your feet will appreciate it.
  • Most travelers are aware of deep vein thrombosis (DVT), a blood clotting condition caused by reduced mobility or inactivity. There's plenty you can do to lower your risk. Wear compression socks or tights, drink lots of water and get your legs and feet moving. Walk around the cabin when possible or perform some stretches in your seat.
How to get through airport security fast when flying to Diamond Bar?
The answer is simple — be prepared. We've pulled together some handy tips and tricks for an easy trip through airport security. Look out Diamond Bar, here you come:
  • First things first. Your travel ID and boarding pass will need to be presented to airport security personnel. Have them close by to avoid fumbling around for them.
  • Next up, both you and your hand luggage will be X-rayed. To speed things up, remove anything that might trigger the alarms. Personal belongings such as your belt, coat and headphones will be required to go through the machine.
  • Electronic devices like laptops and phones will also need to go on a tray for inspection. Don't worry, you'll be back online soon enough.
  • Traveling with your favorite perfume? Not a problem. As long as the volume is no greater than 3.4 ounces (100 milliliters) and it's stored in a zip-close bag, you can keep it with you in your carry-on baggage.
  • Lightweight sneakers are a good footwear choice as you're less likely to be required to remove them when going through security. Boots and other bulky shoes are usually subjected to extra screening.
  • Take all prohibited items out of your carry-on bag. If you have any sharp or pointed objects, pack them in your checked suitcase. They won't be allowed on board and will be confiscated.

Book with confidence

Find Your Flights to Diamond Bar QLA

Cheap flights to Diamond Bar (QLA)

Get started finding a cheap flight to Diamond Bar on Expedia by either choosing a deal on this page or using the search bar to enter your travel dates, origin airport, and whether you want a roundtrip or one-way airfare. You can filter for flexibility, number of stops, airline, and departure/arrival times to find the best flight for you.

We recommend using the ‘Flexible Dates’ calendar at the top of the page to see the price of plane tickets on the surrounding dates. This allows you to pick the cheapest days to fly if your trip allows flexibility and score cheap flight deals to Diamond Bar.

Roundtrip prices range from CA $243 - CA $290, and one-ways Diamond Bar start as low as CA $127.

Be aware that choosing a non-stop flight can sometimes be more expensive while saving you time. And routes with connections may be available at a cheaper rate.

Airlines that fly to Diamond Bar (QLA)

You have several options for which airline you choose to travel with to Diamond Bar. There are 10 airlines flying into QLA: Flair Airlines, Alaska Airlines, Air Canada, American Airlines, United, WestJet. 

Cheap plane tickets may be available from different airlines at different times and with unique terms. It’s best to understand the details of each airline’s offer before judging its value.

For example, if you plan to check a bag or bring a carry-on, check whether the cheap airfare deal includes a baggage allowance. If not, verify whether the baggage fee is higher than the difference of other airline plane ticket deals offering free checked/carry-on baggage in exchange for a slightly higher airfare. 

Additionally, your preferred frequent flyer membership programmes may influence your choice of cheap airline. Expedia allows you to enter your membership numbers during checkout to earn points from your airline and Expedia Rewards—all while getting a great deal and planning all your travel on one online platform.

Find the best deals

At Expedia, we source many flight deals from multiple providers, so you can easily find the best deals that are right for you. A great strategy for getting the best deals can be to make sure you book and travel at optimal times. Airfare to Diamond Bar (QLA) varies throughout the year based on seasonal demand. You’ll see the lowest rates for roundtrips to QLA in October and in October for one-ways.

Cancellation & flexibility

To change or cancel eligible flights, go to ‘My Trips’ and navigate to your itinerary. If you booked within the last 24 hours, you might be able to cancel your flight for free. Learn more about flight changes or cancellations from our customer service portal. Some plane tickets are available with no change fees, which you can filter for during your search.

Find Your Flights to Diamond Bar QLA

Travel information

Destination airport
Los Angeles Intl.
Destination airport IATA code
LAX
Destination city name
Los Angeles
Roundtrip price
CA $242

Trending flights to Diamond Bar

Prices were available within the past 7 days and start at CA $127 for one-way flights and CA $243 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flair Airlines
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