ITO - ONT

$207 Find Cheap Flights from Hilo to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$411
Typical prices: $515-$545
Multiple Airlines
Mon 11/12Fri 11/16
ITO - ONT • 1 stop
Cheapest one-way
$207
Typical prices: $292-$385
Multiple Airlines
Sun 11/11
ITO - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Hilo and Ontario. You'll need to take a connecting flight to reach the destination.
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Cheap Flights from Hilo to Ontario (ITO-ONT)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Hilo to Ontario

Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
9:26 am - 9:42 pmITO  Hilo Intl-ONT Ontario
10h 16m1 stop Honolulu
Multiple Airlines Logo
5:59 pm - 3:22 pmONT  Ontario-ITO Hilo Intl
23h 23m2 stops Portland Honolulu
$411Multiple Airlines
Thu, Nov 12 - Mon, Nov 16
Multiple Airlines Logo
2:54 pm - 9:44 amITO  Hilo Intl-ONT Ontario
16h 50m2 stops Honolulu Portland
Multiple Airlines Logo
5:59 pm - 1:22 pmONT  Ontario-ITO Hilo Intl
21h 23m2 stops Portland Honolulu
$421Multiple Airlines
Wed, Oct 28 - Thu, Oct 29
Multiple Airlines Logo
9:26 am - 9:29 pmITO  Hilo Intl-ONT Ontario
9h 03m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 1:06 pmONT  Ontario-ITO Hilo Intl
9h 06m1 stop Honolulu
$426Multiple Airlines
Tue, Oct 27 - Wed, Oct 28
Multiple Airlines Logo
11:20 am - 9:29 pmITO  Hilo Intl-ONT Ontario
7h 09m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 2:27 pmONT  Ontario-ITO Hilo Intl
10h 27m1 stop Honolulu
$480Multiple Airlines
Tue, Oct 27 - Wed, Oct 28
Multiple Airlines Logo
11:20 am - 9:29 pmITO  Hilo Intl-ONT Ontario
7h 09m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 2:27 pmONT  Ontario-ITO Hilo Intl
10h 27m1 stop Honolulu
$513Multiple Airlines
Tue, Sep 15 - Fri, Sep 25
Multiple Airlines Logo
8:45 pm - 10:10 pmITO  Hilo Intl-ONT Ontario
22h 25m1 stop Honolulu
Multiple Airlines Logo
9:31 am - 2:25 pmONT  Ontario-ITO Hilo Intl
7h 54m1 stop Honolulu
$520Multiple Airlines
Tue, Sep 15 - Fri, Sep 25
Multiple Airlines Logo
6:49 pm - 2:16 pmITO  Hilo Intl-ONT Ontario
16h 27m2 stops Honolulu Seattle/Tacoma Intl
Multiple Airlines Logo
9:31 am - 4:58 pmONT  Ontario-ITO Hilo Intl
10h 27m1 stop Honolulu
$528Multiple Airlines
Tue, Oct 27 - Wed, Oct 28
Multiple Airlines Logo
4:51 pm - 10:17 amITO  Hilo Intl-ONT Ontario
14h 26m2 stops Honolulu Seattle/Tacoma Intl
Multiple Airlines Logo
2:13 pm - 7:58 amONT  Ontario-ITO Hilo Intl
20h 45m2 stops Seattle/Tacoma Intl Honolulu
$529Multiple Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
6:49 pm - 2:16 pmITO  Hilo Intl-ONT Ontario
16h 27m2 stops Honolulu Seattle/Tacoma Intl
Multiple Airlines Logo
9:31 am - 2:25 pmONT  Ontario-ITO Hilo Intl
7h 54m1 stop Honolulu
$532Multiple Airlines
Wed, Sep 9 - Tue, Sep 15
Multiple Airlines Logo
7:44 pm - 2:16 pmITO  Hilo Intl-ONT Ontario
15h 32m2 stops Honolulu Seattle/Tacoma Intl
Multiple Airlines Logo
12:12 pm - 9:54 pmONT  Ontario-ITO Hilo Intl
12h 42m2 stops Seattle/Tacoma Intl Honolulu
$542Multiple Airlines
Booking Insights

Price, demand and travel trends for Hilo to Ontario flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Hilo to Ontario with more confidence.

What is the cheapest layover airport when flying from Hilo to Ontario?

Flights via Honolulu (HNL) offer the most affordable fares, with an average round-trip price of $516. Based on KAYAK data over the past 3 months.

When flying from Hilo to Ontario which airport offers the shortest layover?

Honolulu (HNL) had the shortest average connection time for Hilo to Ontario layovers at 364 minutes over the past 3 months.

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Key details for Hilo to Ontario flights

Cheapest flight

$207
Flight from Hilo to Ontario

When to book flights from Hilo to Ontario

Are your dates flexible? Find out the best times to travel from Hilo to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Hilo to Ontario flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Hilo to Ontario?

    Flights from Hilo to Ontario usually depart from Hilo Intl (ITO) and arrive at Ontario (ONT).

  • What cabin classes can I book on flights from Hilo to Ontario?

    Two cabin classes are available on flights from Hilo to Ontario:

    • Economy Class
    • Business Class

  • Which airports do connecting flights from Hilo to Ontario pass through?

    Most connecting flights from Hilo to Ontario pass through Honolulu (HNL), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Hilo to Ontario?

    Yes. Being flexible with your travel dates can save you up to 6% on the Hilo to Ontario route. Thursday is the cheapest departure day at $515 round-trip on average, while Tuesday is the most expensive at $545, a difference of $30. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ontario?

    Some of the most popular sights in Ontario are Ontario Convention Center, Ontario Mills and Cucamonga-Guasti Regional Park. These are among the most viewed places in Ontario on KAYAK.

  • How long is a flight from Hilo to Ontario?

    A nonstop flight from Hilo to Ontario takes 0h 00m, covering 2,491 miles.

  • Do I need a passport to fly from Hilo to Ontario?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • Have flight prices from Hilo to Ontario changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $411 to $3,213. That means the highest observed fare was about 8x higher than the lowest one.

  • How are flight prices from Hilo to Ontario looking right now?

    One-way fares from Hilo to Ontario are currently lower than usual. Average one-way flight prices are about $240, which is 32% below the typical average for this route.

  • What is the time difference between Hilo and Ontario?

    Ontario is 3 hours ahead of Hilo (Pacific Time vs Hawaii-Aleutian Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Ontario Airport (ONT)?

    Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around $18 for economy cars. Top options include:
    · Fox
    · Thrifty
    · Europcar
    · Dollar
    · Alamo

  • How much should I expect to pay for a Hilo to Ontario flight?

    Round-trip flights from Hilo to Ontario range from $515 to $545, with an average of $515 over the past 12 months. Anything below $515 counts as a good deal.

Your guide to booking Hilo to Ontario flights

Get tips on when to book, when to fly and what to know before your trip.

Everything you need to know for your flight from Hilo to Ontario

Information on your arrival and departure airports

Hilo (ITO)
Ontario (ONT)