$174 Cheap Flights from Hilo (ITO) to Ontario Intl. Airport (ONT)
Popular airlines from Hilo Intl. Airport (ITO) to Ontario Intl. Airport (ONT)
Alaska AirlinesAlaska Airlines
Southwest AirlinesSouthwest Airlines
UnitedUnited
American AirlinesAmerican Airlines
Cheap Flights from Hawaii Island to Ontario (ITO-ONT)
Alternative airports near Ontario
Prices were available within the past 7 days. Prices and availability are subject to change.
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Hilo (ITO) to Ontario (ONT) at a glance
Travel from Hilo (ITO) to Ontario (ONT) with a range of airlines catering to this domestic long-haul route. Whether you're searching for cheap flights from Hilo or prefer a full-service experience, you can compare various options to find the best itinerary that aligns with your budget and travel plans. Discover the essential details for flights from Hilo International Airport to Ontario International Airport and get ready to explore the vibrant sights and neighborhoods of Ontario.
- Fastest flight duration: around 6h 30m in-flight, plus roughly 1h 45m layover with one stop
- Route distance: roughly 2,500 miles (4,020 km)
- Flights per week: around 7 departures on average
- Typical fares (one-way): economy tickets often range from $230–$650, depending on seasonality and how far ahead you book
Flights from Hilo International Airport (ITO) to Los Angeles - Ontario International Airport (ONT)
Based on recent traveler bookings, here are the top airlines favored for flights from Hilo to Ontario, typically featuring one-stop and multi-stop options. Many travelers opt for layovers at Daniel K. Inouye International Airport (HNL), which has an average layover of about 1 hour and 45 minutes. This allows you to customize your itinerary by balancing price, total travel time, and cabin class.
- Hawaiian Airlines: As a comprehensive airline, Hawaiian Airlines provides one-stop service with one-way fares usually falling between $240 and $760. It contributes around 44% of the departures on this route, featuring an in-flight duration of 6 hours and 30 minutes and a total travel time of about 8 hours and 30 minutes, including layovers.
- Alaska Airlines: This full-service airline also offers one-stop service, with one-way ticket prices generally ranging from $230 to $415. Alaska Airlines accounts for approximately 32% of the flights on this route, with an in-flight time of 6 hours and 30 minutes and an overall journey time of roughly 8 hours and 30 minutes, factoring in layovers.
- Southwest Airlines: As a budget-friendly carrier, Southwest Airlines provides multi-stop service, with one-way fares typically between $290 and $625. It makes up about 24% of the departures on this route, with a flight duration of 7 hours and 30 minutes and an estimated total travel time of around 11 hours and 15 minutes, including layovers.
Alternative route from Hilo (ITO) to Ontario (ONT)
- Kailua-Kona to Ontario (KOA-ONT): Kona International Airport (KOA) is located approximately 65 miles from Hilo International Airport (ITO). One-way economy prices for this route usually vary between $140 and $500, influenced by the season and how far in advance you book. Flights on this route are primarily one-stop, with common layover points including Seattle - Tacoma International Airport (SEA) and Sacramento International Airport (SMF). The main airlines operating on this route are Southwest Airlines, known for its budget-friendly fares, and Alaska Airlines. Additionally, first class service is offered on this route.
How to find the best prices for flights from Hilo (ITO) to Ontario (ONT)
Getting some of the best deals on flights from Hilo to Ontario is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, although most travelers tend to book within two weeks. Departures in the morning, from 5 a.m. to 12 p.m., generally offer lower prices and are also the most sought-after flight times. Additionally, flying on Tuesday often yields cheaper rates, while Wednesday is the most popular travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Los Angeles - Ontario International Airport from Hilo International Airport
Ontario welcomes travelers from Hilo with a range of transport options based on price, convenience, and proximity. Here's how to reach Ontario efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Ontario, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Los Angeles - Ontario International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Los Angeles - Ontario International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Los Angeles - Ontario International Airport, Panama City Seaport, a seaport, is located about 1.6 miles away by car, while Rancho Cucamonga Station, a train station, is about 3.7 miles away by car, providing convenient access to both sea and rail transport options.
Hilo to Ontario Intl. Airport Flights
The cheapest times to fly from Hilo to Ontario Intl. Airport
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Hilo to Ontario Intl. Airport are during the month of December. You can find some of the cheapest flights from Hilo to Ontario Intl. Airport with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Hilo to Ontario Intl. Airport
Sunday is one of the best days to book for cheap flights from Hilo to Ontario Intl. Airport: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Hilo to Ontario Intl. Airport
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Hilo to Ontario Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $174 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Hilo to Ontario Intl. Airport flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Hilo to Ontario Intl. Airport airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) cost?
You can find cheap one-way flights from $174 and cheap return flights $441 Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) with Expedia. One-way flights usually range from $301 to $1179, and return flights typically cost between $593 and $1485. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The cheapest month to fly from ITO to ONT is December when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Enter ITO to ONT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Hilo Intl. (ITO) to Los Angeles - Ontario Intl. (ONT) with a layover in Daniel K. Inouye Intl. (HNL), starting from around $470. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from Hilo, HI (ITO) to Ontario, CA (ONT) usually leaves at 6:00 AM, operated by Alaska Airlines. This seasonal service is available in November, making it a great option for early risers looking to start their day in Ontario. An early departure allows you to make the most of your time upon arrival. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from Hilo Intl. (ITO) to Los Angeles - Ontario Intl. (ONT) are in the early morning, from 6am to 9am. About 39% of passengers prefer this time window. Many major carriers, including Southwest Airlines and Hawaiian Airlines, offer flights during this window. This timing is popular because it allows travelers to start their day early and make the most of their time in California.
How long does it take to fly from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Flights from ITO to ONT with one stop typically take around 7 hours 50 minutes, covering approximately 2,494 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
First class seats are offered on the ITO to ONT route with Hawaiian Airlines.
How do I earn miles on a Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario from Hilo Intl. (ITO)?
If you're planning to travel to Ontario from Hilo Intl. (ITO), you can fly into Los Angeles - Ontario Intl. (ONT) Some flights may connect through major hubs like Daniel K. Inouye Intl. (HNL), OGG (OGG) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) Los Angeles Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your Hilo, HI (ITO-Hilo Intl.) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Hilo Intl. Airport |
|---|---|
Destination airport | Ontario Intl. Airport |
Distance | 2,493 miles away |
Airlines serving | Alaska Airlines, Southwest Airlines, United, American Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $441 |