Cheap flights from Ontario to Hilo

Flights overview

Useful information for finding cheap flights from Ontario to Hilo and booking your next trip
Cheapest round-trip flights $555
Southwest 1 stop 10 hr Sun, Jul 19 — Tue, Jul 28
The cheapest round-trip flight from Ontario to Hilo is currently $555
Cheapest one-way flight $268
Alaska 2 stops 13 hr Tue, Jul 21
The cheapest one-way flight from Ontario to Hilo is currently $268
Last-minute weekend getaway $655
Alaska 1 stop 10 hr Thu, May 7 — Sun, May 10
The cheapest last-minute weekend getaway from Ontario to Hilo is currently $655
Cheapest business class flights $1,979
Alaska 2 stops 19 hr Mon, May 4 — Mon, May 11
The cheapest business class round-trip flight from Ontario to Hilo is currently $1,979
Fastest flight 7 hr 51 min The fastest flight with stops from Ontario to Hilo takes 7 hr 51 min
Nonstop flights None There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Ontario to Hilo is typically January. The most expensive month to fly is typically June.
January
Cheapest
Typical prices: $435–590
June
Most expensive
Typical prices: $650–870

Popular airlines from Ontario to Hilo

  • Alaska
    from $545
    Typical price: $520–870
    350 weekly connecting flights
    ONT - ITO Every day
  • Southwest
    from $555
    Typical price: $510–830
    266 weekly connecting flights
    ONT - ITO Every day

Popular airports near Ontario

  • Ontario International Airport (ONT)
    Ontario United States 11 min 2 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 1 hr 7 min 44 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 2 hr 16 min 112 mi
  • San Diego International Airport (SAN)
    San Diego United States 1 hr 50 min 95 mi

Popular airports near Hilo

  • Hilo International Airport (ITO)
    Hilo United States 10 min 2 mi
  • Ellison Onizuka Kona International Airport (KOA)
    Kailua-Kona United States 1 hr 31 min 62 mi
  • Waimea-Kohala Airport (MUE) (MUE)
    Waimea United States 1 hr 9 min 42 mi

Frequently asked questions about flying from Ontario to Hilo

The cheapest flights from Ontario to Hilo are usually in January. Typical ticket prices in January range from $435 to $590.
The cheapest round-trip flight from Ontario to Hilo recently found on Google Flights was with Southwest from $555. The cheapest one-way flight was with Alaska from $268.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Ontario to Hilo is $545, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from Ontario to Hilo is $555, flying from Jul 4 to Jul 13.
The cheapest round-trip flight from Ontario to Hilo starts at $555 from Sun, Jul 19 to Tue, Jul 28. The cheapest one-way flight starts at $268 and departs on Tue, Jul 21.
7 hr 51 min is the shortest flight time from Ontario to Hilo.
Hilo has a tropical climate with warm temperatures and high humidity year-round. Busy travel times are Dec–Jan and Jun–Jul. A popular regional event is the annual Merrie Monarch Festival (Mar/Apr), celebrating King David Kalākaua with hula performers and a parade.
It's easy to use Google Flights to find the cheapest days to fly from Ontario to Hilo.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Ontario to Hilo really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Ontario to Hilo.

In terms of flights, Alaska is the most popular. Alaska offers 350 connecting flights per week. Alaska flies from Ontario International Airport (ONT) to Hilo International Airport (ITO) .

Another popular airline flying from Ontario to Hilo is:
  • Southwest offers 266 connecting flights per week. Southwest flies from Ontario International Airport (ONT) to Hilo International Airport (ITO) .
The number of connecting flights refers to distinct flights with at least one stop between Ontario and Hilo.
The cheapest round-trip flight from Ontario to Hilo recently found on Google Flights was with Southwest from $555. The cheapest one-way flight was with Alaska from $268.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Ontario to Hilo is $545, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from Ontario to Hilo is $555, flying from Jul 4 to Jul 13.
No airline flies direct from Ontario to Hilo.
  • There are 350 Alaska connecting flights from Ontario to Hilo per week. Flights are available every day.
  • There are 266 Southwest connecting flights from Ontario to Hilo per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Ontario and Hilo at price $655 is offered by Alaska from Thu, May 7 to Sun, May 10.
No airline flies direct from Ontario to Hilo.
  • There are 350 Alaska connecting flights from Ontario to Hilo per week. Flights are available every day.
  • There are 266 Southwest connecting flights from Ontario to Hilo per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are no direct flights from Ontario to Hilo.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Ontario to Hilo, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Ontario and Hilo start at $1,979 from Mon, May 4 to Mon, May 11 with Alaska.
The cheapest economy class round-trip flights between Ontario and Hilo start at $555 from Sun, Jul 19 to Tue, Jul 28.
To book business class trips from Ontario to Hilo, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Ontario and Hilo starts at $655 from Thu, May 7 to Sun, May 10 with Alaska.
The cheapest last-minute deal between Ontario and Hilo at price $655 is offered by Alaska from Thu, May 7 to Sun, May 10.
To find last-minute flight deals from Ontario to Hilo, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

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