Title: Cheap Flights to Diamond Bar , CA from CA $115 - Expedia.ca ![Sunset view of the city of Diamond Bar, California, USA.](https://images.trvl-media.com/place/6771/5afccdcc-347e-44df-bd79-3d4f084dad36.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6771/5afccdcc-347e-44df-bd79-3d4f084dad36.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights to Diamond Bar , CA from CA $115 [View CA $115 flight on Fri, Mar 27, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:YVR,to:LAX,departure:27/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:114.84&airProductToken=AQo4CjYIxnASBDE4ODgYuI0BIIu4ASjS34gDMIHhiAM4WUAAWAFqDlJFR1VMQVJFQ09OT01ZcgNBVEISCggLEAEYCCoCRjgYASIECAEQASgCMAM) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only [Diamond Bar Travel Guide](https://expedia.ca/Diamond-Bar.dx6771)[Hotels in Diamond Bar](https://expedia.ca/Diamond-Bar-Hotels.d6771.Travel-Guide-Hotels)[Diamond Bar Car Rentals](https://expedia.ca/Car-Rentals-In-Diamond-Bar.d6771.Car-Rental-Guide)[Diamond Bar Vacation Packages](https://expedia.ca/Diamond-Bar.d6771.Destination-Travel-Guides) ## Popular airlines to Diamond Bar - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_NK.svg) Spirit Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"NK"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:Diamond Bar, California, United States of America,departure:22/02/2026TANYT&leg2=from:Diamond Bar, California, United States of America,to:CMH,departure:01/03/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## How much is the cheapest flight to Diamond Bar? Prices were available within the past 7 days and start at CA $115 for one-way flights and CA $191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Flair Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F8.gif) Mon, Mar 9 - Fri, Mar 13 YVR Vancouver LAX Los Angeles CA $191 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:LAX,departure:09/03/2026TANYT&leg2=from:LAX,to:YVR,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:190.92&airProductToken=AQo4CjYIxnASBDE4ODgYuI0BIIu4ASiSlYcDMMGWhwM4WUAAWAFqDlJFR1VMQVJFQ09OT01ZcgNBVEIKOAo2CMZwEgQxODg5GIu4ASC4jQEo7sOHAzCnxYcDOFlAAFgBag5SRUdVTEFSRUNPTk9NWXIDQVRCEgoICxABGAgqAkY4GAEiBAgBEAEoAjAD) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Mar 10 - Fri, Mar 13 YVR Vancouver LAX Los Angeles CA $193 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:LAX,departure:10/03/2026TANYT&leg2=from:LAX,to:YVR,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:192.46&airProductToken=AQo0CjIIwYYBEgM1NTYYuI0BIIu4ASiuo4cDMOGkhwM4R0AAWAFqBUJBU0lDcghHTkE1QTJCQRIKCAEQARgBKgJBQxgBIgQIARABKAIoAygEMA0) ![WestJet](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/WS.gif) Tue, Mar 31 - Fri, Apr 10 YVR Vancouver LAX Los Angeles CA $193 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:LAX,departure:31/03/2026TANYT&leg2=from:LAX,to:YVR,departure:10/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:192.51&airProductToken=AQo1CjMI16YBEgQxMTAyGLiNASCLuAEohI2JAzC4jokDOEFAAFgBagVCQVNJQ3IIQVRWRDBaQksSCggBEAEYASoCV1MYASIECAEQASgCKAMoBDAB) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Apr 2 - Fri, Apr 10 YVR Vancouver LAX Los Angeles CA $201 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:LAX,departure:02/04/2026TANYT&leg2=from:LAX,to:YVR,departure:10/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:200.21&airProductToken=AQptCjUI1YIBEgQyNDcwGLiNASCDaSjcpYkDMIqniQM4TkAAWAFqCEVDT0JBU0lDcghHTkE1QTJCTgo0CNWCARIDNTMxGINpIIu4ASilqYkDMMOqiQM4TkABWAFqCEVDT0JBU0lDcghHTkE1QTJCThIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, Mar 31 - Fri, Apr 10 YVR Vancouver LAX Los Angeles CA $201 Roundtrip found 2 hours ago [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:LAX,departure:31/03/2026TANYT&leg2=from:LAX,to:YVR,departure:10/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:200.91&airProductToken=AQo1CjMIwYIBEgQ2MzAzGLiNASCLuAEog4-JAzDBkIkDOEJAAFgBagVCQVNJQ3IIT1dBQ1pOQlgSCggBEAEYASoCQUEYASIECAEQASgCKAMoBDAL) ## Alternative airports near Diamond Bar Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:LAX,departure:22/02/2026TANYT&leg2=from:LAX,to:CMH,departure:26/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) LAX Los Angeles Intl. Cheapest 45 min [Flights from CA $435 ](https://www.expedia.ca/Flights-Search?leg1=from:CMH,to:LAX,departure:22/02/2026TANYT&leg2=from:LAX,to:CMH,departure:26/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Find the cheapest month to fly from Columbus (CMH) to Los Angeles (LAX) ### October is typically the cheapest month to fly From CA $169 - CA $432 per traveller. Expedia.ca gives you the best tools to secure great deals on flights to Diamond Bar. Use our easy and convenient booking engine to browse nonstop flights and convenient departure points every day of the year. Search airfares from the top airlines to book your perfect flight to Diamond Bar. Whatever your travel needs, you can always rely on Expedia.ca to help you find cheap flights to Diamond Bar. Using our booking engine is simple - just type in your points of travel and preferred dates and Expedia.ca does the rest! If your travel times are flexible, you can find even better bargains by adjusting your flight dates. Browse connecting flights to increase your chances of finding even lower fares. Thanks to Expedia's Best Price Guarantee, you can book your Diamond Bar flights with full confidence knowing that you've found the best deal online. Expedia.ca makes the booking process easy and stress-free by offering support along the entire way. Our friendly staff is available 24 hours a day to provide assistance and help you book your ticket. Call us toll-free at 1-888-397-3342 to answer any questions that you may have about your trip to Diamond Bar. Looking to save even more? Get additional savings by bundling your Diamond Bar flight with a hotel and/or car rental to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. With Expedia.ca, there's no shortage of options to save even more on your Diamond Bar trip! ## Frequently asked questions ### What is the name of Diamond Bar's airport? ### What airport is best to fly into Diamond Bar? ### How many airlines fly to Diamond Bar? ### Which airlines fly to Diamond Bar? ### How many nonstop flights are there to Diamond Bar? ### Where are the most popular flights to Diamond Bar departing from? ### How long is the flight to Diamond Bar Airport? ### How to book the cheapest flight to Diamond Bar? ### How to survive the flight to Diamond Bar? > - 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? > - 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. __Flights to Diamond Bar information__ | Destination airport | Los Angeles Intl. | | ----------------------------- | ----------------- | | Destination airport IATA code | LAX | | Destination city name | Los Angeles | | Roundtrip price | CA $191 | ## Trending flights to Diamond Bar Prices were available within the past 7 days and start at CA $115 for one-way flights and CA $191 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Flair Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/F8.gif) Mon, Mar 9 - Fri, Mar 13 YVR Vancouver LAX Los Angeles CA $191 Roundtrip just found [](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:YVR,to:LAX,departure:09/03/2026TANYT&leg2=from:LAX,to:YVR,departure:13/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:190.92&airProductToken=AQo4CjYIxnASBDE4ODgYuI0BIIu4ASiSlYcDMMGWhwM4WUAAWAFqDlJFR1VMQVJFQ09OT01ZcgNBVEIKOAo2CMZwEgQxODg5GIu4ASC4jQEo7sOHAzCnxYcDOFlAAFgBag5SRUdVTEFSRUNPTk9NWXIDQVRCEgoICxABGAgqAkY4GAEiBAgBEAEoAjAD) \*Available to Expedia members.