Title: Cheap Flights from Los Angeles - Ontario Intl. Airport (ONT) - Expedia.co.uk ![](https://a.travel-assets.com/travel-assets-manager/32a5a1b7-682e-4c22-a8ab-4b736795e0ea/expedia_fallback.webp?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Los Angeles - Ontario Intl. Airport (ONT) - [Return](?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 [Los Angeles Travel Guide](https://expedia.co.uk/Los-Angeles.dx178280)[Hotels in Los Angeles](https://expedia.co.uk/Los-Angeles-Hotels.d178280.Travel-Guide-Hotels)[Things to do in Los Angeles](https://expedia.co.uk/Things-To-Do-In-Los-Angeles.d178280.Travel-Guide-Activities)[Los Angeles Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Los-Angeles.d178280.Car-Hire-Guide)[Los Angeles Holidays](https://expedia.co.uk/Los-Angeles.d178280.Holidays-City-Breaks) ## Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines - ![Frontier Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines - ![Volaris](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_Y4.svg) Volaris - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Flights from Los Angeles - Ontario Intl. Airport Prices were available within the past 7 days and start at £36 for one-way flights and £116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Mon, 29 Sept - Mon, 6 Oct ONT Ontario SFO San Francisco £116 Return found 4 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:SFO,departure:29/09/2025TANYT&leg2=from:SFO,to:ONT,departure:06/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:115.90&airProductToken=AQojCiEI1YIBEgQxODQwGK6bASCycSiFhfkCMNOF-QI4R0AAWAEKIgogCNWCARIDNDQ4GLJxIK6bASiu1_kCMIDY-QI4R0AAWAESCggBEAEYASoCVUEYASIECAEQASgEMAE) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Tue, 21 Oct - Sat, 25 Oct ONT Ontario PDX Portland £123 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:PDX,departure:21/10/2025TANYT&leg2=from:PDX,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:122.60&airProductToken=AQpwCjYIxJgBEgQxNzg2GK6bASDyEiif_PoCMIj9-gI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0MyQkMKNgjEmAESBDMyMzMY8hIg77gBKM79-gIwxf76AjhFQAFYAWoJTUFJTkJBU0lDcghWQVZTQzJCQwpwCjYIxJgBEgQzOTE4GO-4ASCSASiZq_sCMOCr-wI4RUAAWAFqCU1BSU5CQVNJQ3IIVkFWU0gzQkMKNgjEmAESBDQwMjcYkgEgrpsBKK-s-wIw1a37AjhFQAFYAWoJTUFJTkJBU0lDcghWQVZTSDNCQxIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Tue, 21 Oct - Sat, 25 Oct ONT Ontario PDX Portland £123 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:PDX,departure:21/10/2025TANYT&leg2=from:PDX,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:122.60&airProductToken=AQpqCjMIwYIBEgQyODU5GK6bASDvuQEokPz6AjDf_PoCOEJAAFgBagVCQVNJQ3IIT1ZBWktTQlYKMwjBggESBDIzOTcY77kBIO-4ASjs_foCMJP_-gI4QkABWAFqBUJBU0lDcghPVkFaS1NCVgpqCjMIwYIBEgQyNjU4GO-4ASDvuQEotaX7AjDQpvsCOEJAAFgBagVCQVNJQ3IIT1ZBS1VTQlYKMwjBggESBDI4NTkY77kBIK6bASiCqPsCMNWo-wI4QkABWAFqBUJBU0lDcghPVkFLVVNCVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sat, 13 Dec - Sat, 10 Jan ONT Ontario DFW Dallas £125 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:DFW,departure:13/12/2025TANYT&leg2=from:DFW,to:ONT,departure:10/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:124.50&airProductToken=AQo1CjMIwYIBEgQyNjM1GK6bASCjsQEo6NH_AjCg0_8COEJAAFgBagVCQVNJQ3IIT1dGVVhOQlgKNQozCMGCARIEMTgyMBijsQEgrpsBKNCIggMwnYqCAzhCQABYAWoFQkFTSUNyCE9XQUxVTkJYEgoIARABGAEqAkFBGAEiBAgBEAEoAigDKAQwCw) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Wed, 15 Oct - Wed, 22 Oct ONT Ontario SEA Seattle £130 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:SEA,departure:15/10/2025TANYT&leg2=from:SEA,to:ONT,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:129.90&airProductToken=AQoxCi8IwaYBEgQxMTExGK6bASCSASjvuPoCMJK6-gI4WEAAWAFqAlNWcghPSDJFWFZCTgoxCi8IwaYBEgQxMDg2GJIBIK6bASjeiPsCMP2J-wI4WEAAWAFqAlNWcghPSDJFWFZCThIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Sat, 18 Oct - Sat, 25 Oct ONT Ontario PDX Portland £130 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:PDX,departure:18/10/2025TANYT&leg2=from:PDX,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:129.90&airProductToken=AQokCiIIyIIBEgQ2Mjg2GK6bASDvuAEo0tf6AjDe2PoCOFVAAFgBCiQKIgjIggESBDYzNzEY77gBIK6bASiOrfsCMJmu-wI4VUAAWAESCggBEAEYASoCSEEYASIECAEQASgEMAE) ![Alaska Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AS.gif) Tue, 21 Oct - Sat, 25 Oct ONT Ontario PDX Portland £130 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:PDX,departure:21/10/2025TANYT&leg2=from:PDX,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:129.90&airProductToken=AQoyCjAIwaYBEgQyMjAyGK6bASDvuAEorf76AjC3__oCOFhAAFgBagJTVnIIT0gyRVhVQk4KMgowCMGmARIEMjQ1NhjvuAEgrpsBKISo-wIwkan7AjhYQABYAWoCU1ZyCE9IMkVYVUJOEgoIARABGAEqAkFTGAEiBAgBEAEoAigDKAQwAQ) ![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif) Sat, 4 Oct - Sat, 18 Oct ONT Ontario SEA Seattle £131 Return found 6 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:SEA,departure:04/10/2025TANYT&leg2=from:SEA,to:ONT,departure:18/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:131.00&airProductToken=AQojCiEIxJgBEgQ0MDMxGK6bASCSASiIv_kCMLPA-QI4RUAAWAEKIwohCMSYARIENDAyNxiSASCumwEoz936AjD13voCOEVAAFgBEgoIARABGAEqAkRMGAEiBAgBEAEoBDAB) ![Hawaiian Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/HA.gif) Mon, 20 Oct - Sat, 25 Oct ONT Ontario PDX Portland £138 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:PDX,departure:20/10/2025TANYT&leg2=from:PDX,to:ONT,departure:25/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:137.40&airProductToken=AQokCiIIyIIBEgQ2Mjg2GK6bASDvuAEoku76AjCe7_oCOFVAAFgBCiQKIgjIggESBDYzNzEY77gBIK6bASiOrfsCMJmu-wI4VUAAWAESCggBEAEYASoCSEEYASIECAEQASgEMAE) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Mon, 27 Oct - Tue, 28 Oct ONT Ontario LAS Las Vegas £138 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:ONT,to:LAS,departure:27/10/2025TANYT&leg2=from:LAS,to:ONT,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:137.70&airProductToken=AQpqCjMIwYIBEgQyNjI2GK6bASDvuQEotcH7AjCDwvsCOEJAAFgBagVCQVNJQ3IIT1ZBVVpOQlYKMwjBggESBDIxMDYY77kBIIuQASisw_sCMPHD-wI4QkABWAFqBUJBU0lDcghPVkFVWk5CVgpqCjMIwYIBEgQxODA4GIuQASDvuQEo4Mf7AjCoyPsCOEJAAFgBagVCQVNJQ3IIT1ZBVVpOQlYKMwjBggESBDI4NTkY77kBIK6bASjiyfsCMLXK-wI4QkABWAFqBUJBU0lDcghPVkFVWk5CVhIKCAEQARgBKgJBQRgBIgQIARABKAIoAygEMAs) ## Top Trending Hotels Near Los Angeles - Ontario Intl. Airport, Ontario ![Ontario Airport Hotel & Conference Center](https://images.trvl-media.com/lodging/1000000/10000/8800/8779/ae1c95ff_y.jpg?impolicy=resizecrop&rw=340&ch=150) [Ontario Airport Hotel & Conference Center](https://expedia.co.uk/Los-Angeles-Hotels-Ontario-Airport-Hotel-Conference-Center.h8779.Hotel-Information) 700 N Haven Ave, Ontario, CA Stay at this business-friendly hotel in Ontario. Enjoy free Wi-Fi, breakfast (surcharge) and room service. Our guests praise the helpful staff and the convenient ... 8.6/10 Excellent! (2,919 reviews) [Get rates](https://expedia.co.uk/Hotel-Search?selected=8779&PinnedHotelID=8779&HadPinnedHotel=true®ionId=5525071) [](https://expedia.co.uk/Hotel-Search?selected=8779&PinnedHotelID=8779&HadPinnedHotel=true®ionId=5525071) ![La Quinta Inn & Suites by Wyndham Ontario Airport](https://images.trvl-media.com/lodging/1000000/130000/126600/126548/465bb163_y.jpg?impolicy=resizecrop&rw=340&ch=150) [La Quinta Inn & Suites by Wyndham Ontario Airport](https://expedia.co.uk/Los-Angeles-Hotels-La-Quinta-Inn-Suites-By-Wyndham-Ontario-Airport.h126548.Hotel-Information) 3555 Inland Empire Blvd, Ontario, CA £87 5 Oct - 6 Oct includes taxes & fees Stay at this 3-star business-friendly hotel in Ontario. Enjoy free breakfast, free Wi-Fi and free parking. Our guests praise the breakfast and the helpful staff ... 8.2/10 Very Good! (2,032 reviews) [](https://expedia.co.uk/Hotel-Search?selected=126548&PinnedHotelID=126548&HadPinnedHotel=true®ionId=5525071) ![Extended Studio Hotel Ontario](https://images.trvl-media.com/lodging/1000000/20000/19700/19634/cfd747c7_y.jpg?impolicy=resizecrop&rw=340&ch=150) [Extended Studio Hotel Ontario](https://expedia.co.uk/Los-Angeles-Hotels-Red-Roof-Inn-Ontario-Airport.h19634.Hotel-Information) 1818 E Holt Blvd, Ontario, CA £71 25 Sept - 26 Sept includes taxes & fees Stay at this business-friendly hotel in Ontario. Enjoy free Wi-Fi, free parking and a 24-hour front desk. Our guests praise the helpful staff and the property ... 9/10 Wonderful! (708 reviews) [](https://expedia.co.uk/Hotel-Search?selected=19634&PinnedHotelID=19634&HadPinnedHotel=true®ionId=5525071) 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. ## Frequently asked questions ### What is the airport code for Los Angeles - Ontario Intl. Airport (ONT)? > Los Angeles - Ontario Intl. Airport (ONT) uses the airport code: ONT. ### How many terminals are there in Ontario Airport and how early should I arrive before my flight? > You'll find flights operating out of 2 terminals at Ontario Airport. A few days before you travel, check your ticket or contact your airline to confirm whether you'll be leaving from 2 or 4. For domestic flights, it's recommended to arrive 1.5-2 hours before your departure time. If you're travelling internationally, arrive 2-3 hours in advance to allow ample time for checking bags, security lines and locating your gate. ### Does Ontario Airport have a hotel? > ONT doesn't have any hotels in the immediate surrounds, but that doesn't mean all is lost. You're sure to find someplace comfortable to stay before you jet off if you broaden your search. Only a brief cab ride from the terminals, the [Hotel d'Lins Ontario Airport](https://www.expedia.co.uk/Los-Angeles-Hotels-Hotel-DLins-Ontario-Airport.h5082.Hotel-Information) might be exactly what you're looking for. It offers a swimming pool, a garden and free internet services. The [Ontario Airport Hotel & Conference Centre](https://www.expedia.co.uk/Los-Angeles-Hotels-Ontario-Airport-Hotel-Conference-Center.h8779.Hotel-Information) is also close by. Here you can use mountain views, a cafe and a swimming pool. With convenient options like these, you definitely won't need to sleep on the airport floor if you're flying out early. ### Are there private lounges in Los Angeles - Ontario Intl. Airport (ONT)? > Yes, Los Angeles - Ontario Intl. Airport (ONT) offers passengers at least one private lounge. Find out the types of amenities provided and your eligibility for access by checking the airport's website. ### What airlines fly out of Ontario Airport? > You have plenty of choices when flying out of ONT with these reliable domestic carriers: > > > > - American Airlines > - Frontier Airlines > - Delta Air Lines > > > > Cross a new country off your travel bucket list with China Airlines. This leading international airline has flights out of Los Angeles - Ontario Intl. Airport (ONT) and will have a destination that'll make you want to click the "book" button. ### How many flights per day fly out of ONT? > Head for someplace new on one of the 75 flights that leave Los Angeles - Ontario Intl. Airport (ONT) each day. If you're about to plan your next great escape, look up this airport's destinations. ### How to find cheap flights from ONT with Expedia? > The cheapest one-way flight from [Ontario, CA (ONT-Los Angeles - Ontario Intl.)](https://www.expedia.co.uk/Los-Angeles-Ontario-Intl-Airport-Hotels.0-aONT-0.Travel-Guide-Filter-Hotels) was to Phoenix (PHX) at £36. One of the simplest ways to find a cheap flight with Expedia is to enter your preferred dates and destination, and then sort your results by price. These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. You'll always snag a real bargain with Expedia, but our "Flexible dates" tool makes it that extra bit easier. First, enter your destination and flight dates. Then, click on "Flexible dates" above the search results to browse the cheapest prices for days surrounding your trip. If you want to narrow your search, you can filter by airline preference, specific departure and arrival times and more. ### Where can you fly to from Los Angeles - Ontario Intl. Airport (ONT)? > From Los Angeles - Ontario Intl. Airport (ONT), a large number of people venture to Taipei. You'll be in good company if you plan on taking a trip to this popular destination. Many domestic travellers jet to Phoenix, Dallas or Las Vegas. Compare the fares, find impressive deals and secure your dream getaway for less. ### What is the cancellation policy on flights and how do I cancel my flight on Expedia? > Most flights are free to cancel within 24 hours of making the reservation. However, some flights are non-refundable, and you may receive a flight credit from the airline to use for a future booking. For more information, please visit our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033). ## Travel information ## Los Angeles - Ontario Intl. Airport Information | Airport Name | Airport Location | Airport Code | Latitude | Longitude | Altitude | | --- | --- | --- | --- | --- | --- | | Ontario Intl. | Ontario, US | IATA: ONT, ICAO: KONT, GPS Code: KONT | 34.056000 | \\-117.600998 | 287.73 meters | Ontario Intl., ONT airport, offers flights from multiple airline carriers to many popular global destinations. Above you'll find some useful information about Ontario’s airports that can help you in planning your next trip. Expedia offers flights from Ontario Intl. on multiple airline carriers, and makes it easy and affordable for you to book. - [ONT Wikipedia Information](http://en.wikipedia.org/wiki/LA/Ontario_International_Airport) ## Current conditions at Ontario International Airport ![airport static map image](//maps.googleapis.com/maps/api/staticmap?maptype=roadmap&format=jpg&key=AIzaSyC6TZaOcklGb2r2g1eLczEZk324JD7TvM4&size=500x203&language=en-GB®ion=GB&scale=4¢er=34.056001,-117.601193&zoom=12&signature=kZOZnceTAMfMSnnmEc2pBxSrfto=) View map ## Airport information Name: Ontario International Airport Location: Ontario, United States - Longitude: 34.056001 - Latitude: -117.601193 Airport Codes: - IATA: ONT - ICAO: KONT [ONT Wikipedia information](http://en.wikipedia.org/wiki/LA/Ontario_International_Airport) \*Available to Expedia members.