KOA - ONT

$221 Find Cheap Flights from Kailua-Kona to Ontario - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$441
Typical prices: $467-$565
Multiple Airlines
Fri 1/26Thu 2/8
KOA - ONT • 1 stop
Cheapest one-way
$221
Typical prices: $248-$346
Multiple Airlines
Sat 1/13
KOA - ONT • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Kailua-Kona and Ontario. You'll need to take a connecting flight to reach the destination.
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Top layover airports
San Francisco (SFO)
Cheapest • Avg $417 (round-trip)
Sacramento Intl (SMF)
Shortest trip • 8h 12m (one-way)
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Cheap Flights from Kailua-Kona to Ontario (KOA-ONT)

 

Cheap flights from Kailua-Kona to Ontario with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Tue, Jan 26 - Mon, Feb 8
Multiple Airlines Logo
11:24 am - 9:18 pmKOA  Kona Intl-ONT Ontario
7h 54m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 6:31 pmONT  Ontario-KOA Kona Intl
13h 31m1 stop Honolulu
$441Multiple Airlines
Tue, Jan 26 - Sun, Feb 7
Multiple Airlines Logo
11:24 am - 9:18 pmKOA  Kona Intl-ONT Ontario
7h 54m1 stop Honolulu
Multiple Airlines Logo
7:00 am - 5:22 pmONT  Ontario-KOA Kona Intl
12h 22m1 stop Seattle/Tacoma Intl
$446Multiple Airlines
Tue, Jan 26 - Sun, Feb 7
Delta Logo
10:45 pm - 1:57 pmKOA  Kona Intl-ONT Ontario
13h 12m1 stop Seattle/Tacoma Intl
Delta Logo
7:00 am - 6:54 pmONT  Ontario-KOA Kona Intl
13h 54m1 stop Seattle/Tacoma Intl
$450Delta
Thu, Nov 5 - Tue, Nov 10
Multiple Airlines Logo
6:31 pm - 10:43 pmKOA  Kona Intl-ONT Ontario
26h 12m1 stop Honolulu
Multiple Airlines Logo
9:55 am - 3:43 pmONT  Ontario-KOA Kona Intl
7h 48m1 stop Honolulu
$452Multiple Airlines
Mon, Feb 1 - Mon, Feb 8
Delta Logo
10:45 pm - 1:57 pmKOA  Kona Intl-ONT Ontario
13h 12m1 stop Seattle/Tacoma Intl
Delta Logo
7:00 am - 6:54 pmONT  Ontario-KOA Kona Intl
13h 54m1 stop Seattle/Tacoma Intl
$480Delta
Mon, Feb 1 - Mon, Feb 8
Delta Logo
10:45 pm - 1:57 pmKOA  Kona Intl-ONT Ontario
13h 12m1 stop Seattle/Tacoma Intl
Delta Logo
7:00 am - 6:54 pmONT  Ontario-KOA Kona Intl
13h 54m1 stop Seattle/Tacoma Intl
$490Delta
Wed, Jan 27 - Mon, Feb 8
American Airlines Logo
9:59 pm - 8:37 amKOA  Kona Intl-ONT Ontario
8h 38m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:28 am - 4:37 pmONT  Ontario-KOA Kona Intl
9h 09m1 stop Phoenix Sky Harbor Intl
$496American Airlines
Sat, Jan 30 - Sun, Feb 7
Delta Logo
10:45 pm - 1:57 pmKOA  Kona Intl-ONT Ontario
13h 12m1 stop Seattle/Tacoma Intl
Delta Logo
7:00 am - 6:54 pmONT  Ontario-KOA Kona Intl
13h 54m1 stop Seattle/Tacoma Intl
$500Delta
Mon, Feb 1 - Wed, Feb 10
American Airlines Logo
9:59 pm - 8:37 amKOA  Kona Intl-ONT Ontario
8h 38m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
9:28 am - 4:37 pmONT  Ontario-KOA Kona Intl
9h 09m1 stop Phoenix Sky Harbor Intl
$503American Airlines
Tue, Jan 5 - Mon, Jan 25
Delta Logo
10:45 pm - 1:57 pmKOA  Kona Intl-ONT Ontario
13h 12m1 stop Seattle/Tacoma Intl
Delta Logo
7:00 am - 6:54 pmONT  Ontario-KOA Kona Intl
13h 54m1 stop Seattle/Tacoma Intl
$507Delta

Price, demand and travel trends for Kailua-Kona to Ontario flights

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

Which airline is the cheapest to fly from Kailua-Kona to Ontario?

Delta ($450) and American Airlines ($496) are the cheapest airlines to fly round-trip from Kailua-Kona to Ontario according to KAYAK data over the last 5 days.

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Key details for Kailua-Kona to Ontario flights

Cheapest flight

$221
One-way flight from Kailua-Kona to Ontario

When to book flights from Kailua-Kona to Ontario

Are your dates flexible? Find out the best times to travel from Kailua-Kona 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 Kailua-Kona to Ontario flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Kailua-Kona to Ontario?

    Only Economy Class is available on flights from Kailua-Kona to Ontario.

  • How long is a flight from Kailua-Kona to Ontario?

    A nonstop flight from Kailua-Kona to Ontario takes 00m, covering 2,547 miles.

  • Do I need a passport to fly from Kailua-Kona 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 Kailua-Kona 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 $441 to $3,079. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Kailua-Kona to Ontario looking right now?

    One-way fares from Kailua-Kona to Ontario are currently lower than usual. Average one-way flight prices are about $249, which is 16% below the typical average for this route.

  • 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

  • Which airports can I use when flying from Kailua-Kona to Ontario?

    Flights from Kailua-Kona to Ontario usually depart from Kona Intl (KOA) and arrive at Ontario (ONT).

  • Which airports do connecting flights from Kailua-Kona to Ontario pass through?

    One-stop flights from Kailua-Kona to Ontario most commonly connect through:

    • Phoenix Sky Harbor Intl (PHX) - 50% of one-stop connections
    • San Francisco (SFO) - 25% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 13% of one-stop connections
    • Sacramento Intl (SMF) - 13% of one-stop connections

  • Can I save money by using flexible dates for flights from Kailua-Kona to Ontario?

    Yes. Flexible dates can save you up to 22% on flights from Kailua-Kona to Ontario. Saturday is the cheapest departure day at $445 round-trip on average, while Wednesday is the most expensive at $565, a difference of $120.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How much time can I save by choosing a different layover airport from Kailua-Kona to Ontario?

    Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 8h 12m, compared with 8h 15m via San Francisco (SFO) and 8h 59m via Phoenix Sky Harbor Intl (PHX).

  • What is the time difference between Kailua-Kona and Ontario?

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

  • What popular places can I visit in Ontario?

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

Your guide to booking Kailua-Kona to Ontario flights

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

More options for your flight from Kailua-Kona to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Car rentals in Ontario
Hotels in Ontario
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