$174 Cheap Flights from Ontario Intl. Airport (ONT) to Hilo (ITO)
Popular airlines from Ontario Intl. Airport (ONT) to Hilo Intl. Airport (ITO)
Alaska AirlinesAlaska Airlines
Southwest AirlinesSouthwest Airlines
UnitedUnited
American AirlinesAmerican Airlines
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Cheap Flights from Ontario to Hawaii Island (ONT-ITO)
Alternative airports
Prices were available within the past 7 days. Prices and availability are subject to change.
Find the cheapest month to fly from Ontario (ONT) to Hawaii Island (ITO)
February is typically the cheapest month to flyFebruary is typically the cheapest month to fly
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Ontario (ONT) to Hilo (ITO) at a glance
Travel from Ontario (ONT) to Hilo (ITO) with a range of airlines on this domestic long-haul route. Explore options from both full-service and budget carriers to find the flight that best suits your schedule and budget as you prepare to discover Hilo's renowned attractions and neighborhoods. Check out the essential details for flights from Los Angeles - Ontario International Airport (ONT) to Hilo International Airport (ITO) and plan your next flight to this beautiful destination.
- Fastest flight duration: around 7 hours in-flight, plus roughly 2 hours 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 $220–$505, depending on seasonality and how far ahead you book
Flights from Los Angeles - Ontario International Airport (ONT) to Hilo International Airport (ITO)
Based on recent traveler bookings, here are the top airlines preferred for flights from Ontario to Hilo, including one-stop and multi-stop options. Many travelers opt for layovers at Daniel K. Inouye International Airport (HNL), typically around 2 hours, allowing you to combine price, total travel time, and cabin class to create the best itinerary for your journey.
- Alaska Airlines: This full-service airline provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $240 and $500. It represents around 45% of the departures on this route, featuring a typical in-flight duration of 7 hours and a total travel time of approximately 9 hours.
- Hawaiian Airlines: Known for its one-stop service, this full-service airline has one-way fares that typically range from $220 to $795. It accounts for about 26% of departures on this route, with an in-flight time of 7 hours and a total journey duration of around 9 hours, including layovers.
- Southwest Airlines: As a budget-friendly carrier, Southwest offers multi-stop flights, with one-way fares usually ranging from $245 to $440. This airline makes up roughly 26% of the route's departures, featuring an 8-hour and 15-minute flight time and total travel time of about 12 hours, factoring in layovers.
Alternative route from Ontario (ONT) to Hilo (ITO)
- Ontario to Kailua-Kona (ONT-KOA): Kona International Airport (KOA) is located approximately 65 miles from Hilo International Airport (ITO). One-way economy ticket prices for this journey generally fall between $145 and $425, influenced by the time of year and how far in advance you book. Travelers can typically choose from one-stop flights, with common layover points including San Francisco International Airport (SFO) and Sacramento International Airport (SMF). Leading airlines servicing this route are United and Southwest Airlines, the latter being a budget-friendly option. Additionally, both business and first-class services are offered for this route.
How to find the best prices for flights from Ontario (ONT) to Hilo (ITO)
Getting some of the best deals on flights from Ontario to Hilo is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are typically found when booking at least two months in advance, coinciding with when most travelers make their reservations. Morning departures, between 5 a.m. and 12 p.m., tend to offer lower prices and are also the most popular flight times. Additionally, flying on Tuesday usually results in cheaper prices, while Thursday is the most favored 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.* Find Hilo hotel and flight deals.
- 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 Hilo International Airport from Los Angeles - Ontario International Airport
Hilo welcomes travelers from Ontario with a range of transport options based on price, convenience, and proximity. Here's how to reach Hilo efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Hilo, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
- Car rental: Renting a car from Hilo International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Hilo 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 Hilo International Airport, Hilo Seaport, a seaport, is located about 4.2 miles away by car, providing convenient access for travelers.
Ontario Intl. Airport to Hilo Flights
The cheapest times to fly from Ontario Intl. Airport to Hilo
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 Ontario Intl. Airport to Hilo are during the month of February. You can find some of the cheapest flights from Ontario Intl. Airport to Hilo with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Ontario Intl. Airport to Hilo
Sunday is one of the best days to book for cheap flights from Ontario Intl. Airport to Hilo: 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 Ontario Intl. Airport to Hilo
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 Ontario Intl. Airport to Hilo 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 Ontario Intl. Airport to Hilo 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 Ontario Intl. Airport to Hilo 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.) cost?
You can find cheap one-way flights from $174 and cheap return flights $347 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.) with Expedia. One-way flights generally range between $289 and $1502, and roundtrip flights usually range from $585 to $2471. 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
The cheapest month to fly from ONT to ITO is February 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
Enter ONT to ITO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
To find a cheap flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
The earliest flight from Ontario International Airport (ONT) to Hilo International Airport (ITO) usually departs at around 12:55 AM, operated by American Airlines and Hawaiian Airlines. This service is seasonal and active in March, April, and December. An early departure gives you a head start on your Hawaiian adventure. 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
The most popular departure times for flights from Ontario, CA (ONT) to Hilo, HI (ITO) are in the early morning, from 6am to 9am. About 51% of passengers prefer this time window. Many major carriers, including Alaska Airlines, Hawaiian Airlines, and United Airlines, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Hilo with plenty of time to enjoy the island.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
Flying from ONT to ITO with a connection usually takes about 13 hours 20 minutes, traveling roughly 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
First class seats are offered on the ONT to ITO route. First class cabins are available on:
- United Airlines
- American Airlines
- Delta Air Lines
- Hawaiian Airlines
How do I earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.) flight with Expedia?
It's easy to earn miles on a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo 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 Hilo from Los Angeles - Ontario Intl. (ONT)?
If you're planning to travel to Hilo from Los Angeles - Ontario Intl. (ONT), you can fly into Hilo Intl. (ITO) Some flights may connect through major hubs like San Francisco Intl. (SFO), Seattle - Tacoma Intl. (SEA), Oakland Intl. (OAK) before reaching Hilo. 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.) at the last minute?
Typically, booking a last minute flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.) flight and hotel package?
Securing a Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.) flight and hotel package 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 Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo Intl.)?
If you booked your Ontario, CA (ONT-Los Angeles - Ontario Intl.) to Hilo, HI (ITO-Hilo 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 | Ontario Intl. Airport |
|---|---|
Destination airport | Hilo Intl. Airport |
Distance | 2,493 miles away |
Airlines serving | Alaska Airlines, Southwest Airlines, United, American Airlines |
Popular airline | Alaska Airlines |
Roundtrip price | $347 |