Title: Cheap Flights from Ontario to Hilo (ONT to ITO) - Expedia.co.uk ![Hilo which includes a bay or harbor](https://images.trvl-media.com/place/1643/a391e806-7317-4f66-9354-9bb2133c0d78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/1643/a391e806-7317-4f66-9354-9bb2133c0d78.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Ontario (ONT) to Hilo (ITO) - [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 ## Popular airlines from Los Angeles - Ontario Intl. Airport (ONT) to Hilo Intl. Airport (ITO) - ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ont,to:ito,departure:30/09/2025TANYT&leg2=from:ito,to:ont,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:ont,to:ito,departure:30/09/2025TANYT&leg2=from:ito,to:ont,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Southwest Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ont,to:ito,departure:30/09/2025TANYT&leg2=from:ito,to:ont,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ont,to:ito,departure:30/09/2025TANYT&leg2=from:ito,to:ont,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:ont,to:ito,departure:30/09/2025TANYT&leg2=from:ito,to:ont,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Hawaiian Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_HA.svg) Hawaiian Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:ont,to:ito,departure:30/09/2025TANYT&leg2=from:ito,to:ont,departure:07/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"HA"}}]) - ## 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) ## Find the cheapest month to fly from Ontario (ONT) to Hilo (ITO) ### September is typically the cheapest month to fly From £243 - £465 per traveller. Flight from Ontario to Hilo route information | Origin airport | Los Angeles - Ontario Intl. | | --- | --- | | Destination airport | Hilo Intl. | | Distance | 3989 km | ## Compare flights from Ontario to Hilo easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Ontario to Hilo. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Hilo Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Los Angeles - Ontario Intl. to Hilo Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Los Angeles - Ontario Intl. (ONT) to Hilo Intl. (ITO) The easiest way to view the best deals on flights from Ontario to Hilo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Los Angeles - Ontario Intl. to Hilo Intl. start at just and range up to .   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Ontario and Hilo - booking your flight during , the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Ontario to Hilo flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Los Angeles - Ontario Intl. to Hilo Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Explore a world of travel with Expedia - Trending Routes - Top Flights Destinations - Related Airlines - Nearby Airports - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Ontario - [Ontario to Mexico City (ONT - MEX)](https://expedia.co.uk/lp/flights/ont/mex/ontario-to-mexico-city) - [Ontario to Manila (ONT - MNL)](https://expedia.co.uk/lp/flights/ont/mnl/ontario-to-manila) - [Ontario to Baltimore (ONT - BWI)](https://expedia.co.uk/lp/flights/ont/bwi/ontario-to-baltimore) - [Ontario to London (ONT - LHR)](https://expedia.co.uk/lp/flights/ont/lhr/ontario-to-london) ### Top Routes to Hilo - [Honolulu to Hilo (HNL - ITO)](https://expedia.co.uk/lp/flights/hnl/ito/honolulu-to-hilo) - [London to Hilo (LHR - ITO)](https://expedia.co.uk/lp/flights/lhr/ito/london-to-hilo) - [San Francisco to Hilo (SFO - ITO)](https://expedia.co.uk/lp/flights/sfo/ito/san-francisco-to-hilo) ### Top Flight Destinations - [Flights to Las Vegas](https://expedia.co.uk/Cheap-Flights-To-Las-Vegas.d178276.Travel-Guide-Flights) - [Flights to New York](https://expedia.co.uk/Cheap-Flights-To-New-York.d178293.Travel-Guide-Flights) - [Flights to Orlando](https://expedia.co.uk/Cheap-Flights-To-Orlando.d178294.Travel-Guide-Flights) - [Flights to Chicago](https://expedia.co.uk/Cheap-Flights-To-Chicago.d178248.Travel-Guide-Flights) - [Flights to San Diego](https://expedia.co.uk/Cheap-Flights-To-San-Diego.d3073.Travel-Guide-Flights) - [Flights to San Francisco](https://expedia.co.uk/Cheap-Flights-To-San-Francisco.d178305.Travel-Guide-Flights) - [Flights to Los Angeles](https://expedia.co.uk/Cheap-Flights-To-Los-Angeles.d178280.Travel-Guide-Flights) - [Flights to Boston](https://expedia.co.uk/Cheap-Flights-To-Boston.d178239.Travel-Guide-Flights) - [Flights to Miami](https://expedia.co.uk/Cheap-Flights-To-Miami.d178286.Travel-Guide-Flights) - [Flights to Houston](https://expedia.co.uk/Cheap-Flights-To-Houston.d178265.Travel-Guide-Flights) - [Flights to Pigeon Forge](https://expedia.co.uk/Cheap-Flights-To-Pigeon-Forge.d8264.Travel-Guide-Flights) - [Flights to Nashville](https://expedia.co.uk/Cheap-Flights-To-Nashville.d178291.Travel-Guide-Flights) - [Flights to Myrtle Beach](https://expedia.co.uk/Cheap-Flights-To-Myrtle-Beach.d601685.Travel-Guide-Flights) - [Flights to Atlanta](https://expedia.co.uk/Cheap-Flights-To-Atlanta.d178232.Travel-Guide-Flights) - [Flights to San Antonio](https://expedia.co.uk/Cheap-Flights-To-San-Antonio.d178303.Travel-Guide-Flights) - [Flights to Denver](https://expedia.co.uk/Cheap-Flights-To-Denver.d178254.Travel-Guide-Flights) - [Flights to Honolulu](https://expedia.co.uk/Cheap-Flights-To-Honolulu.d1488.Travel-Guide-Flights) - [Flights to Gatlinburg](https://expedia.co.uk/Cheap-Flights-To-Gatlinburg.d7474.Travel-Guide-Flights) - [Flights to Panama City Beach](https://expedia.co.uk/Cheap-Flights-To-Panama-City-Beach.d8021.Travel-Guide-Flights) - [Flights to Atlantic City](https://expedia.co.uk/Cheap-Flights-To-Atlantic-City.d602179.Travel-Guide-Flights) ### Related Airlines - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [Delta](https://expedia.co.uk/Delta-Flights.cDL.Travel-Guide-Airlines) - [Virgin Atlantic](https://expedia.co.uk/Virgin-Atlantic-Flights.cVS.Travel-Guide-Airlines) - [American Airlines](https://expedia.co.uk/American-Airlines-Flights.cAA.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [United](https://expedia.co.uk/United-Flights.cUA.Travel-Guide-Airlines) - [China Airlines](https://expedia.co.uk/China-Airlines-Flights.cCI.Travel-Guide-Airlines) - [Air Canada](https://expedia.co.uk/Air-Canada-Flights.cAC.Travel-Guide-Airlines) - [JetBlue Airways](https://expedia.co.uk/JetBlue-Airways-Flights.cB6.Travel-Guide-Airlines) - [Alaska Airlines](https://expedia.co.uk/Alaska-Airlines-Flights.cAS.Travel-Guide-Airlines) - [Qatar Airways](https://expedia.co.uk/Qatar-Airways-Flights.cQR.Travel-Guide-Airlines) - [Aeromexico](https://expedia.co.uk/Aeromexico-Flights.cAM.Travel-Guide-Airlines) - [WestJet](https://expedia.co.uk/WestJet-Flights.cWS.Travel-Guide-Airlines) - [Hawaiian Airlines](https://expedia.co.uk/Hawaiian-Airlines-Flights.cHA.Travel-Guide-Airlines) Ontario Airports #### Los Angeles [Los Angeles Intl. to Hilo](https://expedia.co.uk/lp/flights/lax/ito/los-angeles-to-hilo) £293.90 #### Long Beach #### Orange County ### Nearby Airports - [San Bernardino Intl. 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