KOA - ONT

$168 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
$346
Typical prices: $391-$489
Southwest
Mon 10/22Thu 10/25
KOA - ONT • 1 stop
Cheapest one-way
$168
Typical prices: $248-$344
Southwest
Tue 11/6
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.
Insights
Insights
When to travel
October
Cheapest • 1% price drop
October
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Seattle/Tacoma Intl (SEA)
Cheapest • Avg $388 (round-trip)
Sacramento Intl (SMF)
Shortest trip • 8h 25m (one-way)
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Insights
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Flight Deals

Cheap Flights from Kailua-Kona to Ontario (KOA-ONT)

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

Recent round-trip flight deals from Kailua-Kona to Ontario

Thu, Oct 22 - Sun, Oct 25
Southwest Logo
8:00 am - 8:40 pmKOA  Kona Intl-ONT Ontario
9h 40m1 stop Honolulu
Southwest Logo
8:00 am - 2:15 pmONT  Ontario-KOA Kona Intl
9h 15m1 stop Honolulu
$346Southwest
Thu, Oct 22 - Sun, Oct 25
Delta Logo
9:06 pm - 12:36 pmKOA  Kona Intl-ONT Ontario
12h 30m2 stops Seattle/Tacoma Intl Salt Lake City
Delta Logo
6:20 am - 5:38 pmONT  Ontario-KOA Kona Intl
14h 18m1 stop Seattle/Tacoma Intl
$350Delta
Tue, Sep 29 - Sat, Oct 3
Southwest Logo
8:35 pm - 8:55 amKOA  Kona Intl-ONT Ontario
9h 20m1 stop Las Vegas Harry Reid Intl
Southwest Logo
8:00 am - 6:10 pmONT  Ontario-KOA Kona Intl
13h 10m1 stop Honolulu
$370Southwest
Tue, Nov 10 - Wed, Nov 11
Multiple Airlines Logo
8:49 am - 9:42 pmKOA  Kona Intl-ONT Ontario
10h 53m1 stop Honolulu
Multiple Airlines Logo
7:30 am - 5:17 pmONT  Ontario-KOA Kona Intl
11h 47m1 stop Honolulu
$396Multiple Airlines
Mon, Oct 19 - Sat, Oct 24
Southwest Logo
8:35 pm - 7:50 amKOA  Kona Intl-ONT Ontario
8h 15m1 stop Las Vegas Harry Reid Intl
Southwest Logo
8:00 am - 6:10 pmONT  Ontario-KOA Kona Intl
13h 10m1 stop Honolulu
$400Southwest
Thu, Sep 17 - Sun, Sep 20
Multiple Airlines Logo
6:00 am - 10:10 pmKOA  Kona Intl-ONT Ontario
13h 10m1 stop Honolulu
Multiple Airlines Logo
9:31 am - 7:32 pmONT  Ontario-KOA Kona Intl
13h 01m1 stop Honolulu
$401Multiple Airlines
Mon, Oct 19 - Sat, Oct 24
Southwest Logo
8:35 pm - 9:45 amKOA  Kona Intl-ONT Ontario
10h 10m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Southwest Logo
8:00 am - 2:15 pmONT  Ontario-KOA Kona Intl
9h 15m1 stop Honolulu
$405Southwest
Wed, Sep 23 - Wed, Sep 30
Multiple Airlines Logo
6:00 am - 10:10 pmKOA  Kona Intl-ONT Ontario
13h 10m1 stop Honolulu
Multiple Airlines Logo
6:02 am - 1:28 pmONT  Ontario-KOA Kona Intl
10h 26m1 stop Seattle/Tacoma Intl
$406Multiple Airlines
Tue, Sep 22 - Wed, Sep 30
Multiple Airlines Logo
8:45 pm - 10:10 pmKOA  Kona Intl-ONT Ontario
22h 25m1 stop Honolulu
Multiple Airlines Logo
6:02 am - 1:28 pmONT  Ontario-KOA Kona Intl
10h 26m1 stop Seattle/Tacoma Intl
$407Multiple Airlines
Mon, Oct 19 - Sat, Oct 24
Southwest Logo
8:35 pm - 9:45 amKOA  Kona Intl-ONT Ontario
10h 10m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl
Southwest Logo
11:30 am - 6:10 pmONT  Ontario-KOA Kona Intl
9h 40m2 stops San Jose Honolulu
$426Southwest
Booking Insights

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 from Kailua-Kona to Ontario with more confidence.

How much is a round-trip flight from Kailua-Kona to Ontario?

Round-trip flights from Kailua-Kona to Ontario start at $346. Prices are below average for this route right now, with typical round-trip fares ranging from $391 to $489. The lowest price found in the past 5 days was $346 on Southwest.

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Key details for Kailua-Kona to Ontario flights

Low season

June

Cheapest flight

$168
Most popular time to fly and prices are also 1% lower on average.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

    Two cabin classes are available on flights from Kailua-Kona to Ontario:

    • Economy Class
    • First Class

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

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

    • San Francisco (SFO) - 42% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 33% of one-stop connections
    • Sacramento Intl (SMF) - 17% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 8% of one-stop connections

    San Francisco (SFO) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 37% on the Kailua-Kona to Ontario route. Friday is the cheapest departure day at $392 round-trip on average, while Thursday is the most expensive at $618, a difference of $226. 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 Kailua-Kona to Ontario?

    A nonstop flight from Kailua-Kona to Ontario takes 0h 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 $346 to $2,413. 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 $196, which is 34% below the typical average for this route.

  • 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 25m, compared with 8h 57m 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 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 Kailua-Kona to Ontario flight?

    Round-trip flights from Kailua-Kona to Ontario range from $391 to $489, with an average of $397 over the past 12 months. Anything below $391 counts as a good deal.

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.
  • If your dates can be flexible, aim for a Friday departure instead of Thursday. On this route, Friday flights average $392 - about $226 less than Thursday (37% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Kailua-Kona to Ontario trip for October. Fares historically average $391 round-trip in that month - typically $288 less than the most expensive month, which is November (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
    - Azure Hotel & Suites, Trademark Collection by Wyndham
    - La Quinta Inn & Suites by Wyndham Ontario Airport
    - Holiday Inn Ontario Airport By IHG

Everything you need to know for your flight from Kailua-Kona to Ontario

Information on your arrival and departure airports

Kailua-Kona (KOA)
Ontario (ONT)