$225+ Cheap flights from Ontario to Kailua-Kona (ONT - KOA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KOA
Dec 12 — Dec 191
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Kailua-Kona with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Ontario to Kailua-Kona
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Cheapest flights from Ontario to Kailua-KonaExplore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
Explore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:03 am -
1 stop15h 46m
Fri 12/46:00 am -
1 stop13h 25m
Deal found 11/11![Multiple Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:03 am -
1 stop8h 06m
Sat 12/511:28 pm -
1 stop9h 45m
Deal found 11/12![Multiple Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:03 am -
1 stop7h 35m
Mon 12/711:20 am -
1 stop8h 05m
Deal found 11/11![Multiple Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 am -
1 stop9h 41m
Wed 12/98:45 pm -
1 stop22h 40m
Deal found 11/7![Multiple Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop10h 55m
Thu 12/39:40 pm -
1 stop11h 37m
Deal found 11/11![Delta logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 am -
1 stop12h 28m
Tue 12/811:28 pm -
1 stop9h 45m
Deal found 11/8![Multiple Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:03 am -
1 stop12h 28m
Mon 12/76:00 am -
1 stop13h 25m
Deal found 11/11![Multiple Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop10h 55m
Wed 12/99:40 pm -
1 stop11h 37m
Deal found 11/8![Delta logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:03 am -
1 stop9h 41m
Tue 12/811:20 am -
1 stop8h 05m
Deal found 11/12![Multiple Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop10h 55m
Sun 12/69:40 pm -
1 stop11h 37m
Deal found 11/12![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops15h 55m
Thu 12/39:40 pm -
1 stop11h 37m
Deal found 11/11![Delta logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:03 am -
1 stop13h 32m
Thu 12/1012:32 pm -
1 stop9h 22m
Deal found 11/11![Multiple Airlines logo]()
$466
Best flights from Ontario to Kailua-KonaDiscover carefully curated flight deals from Ontario to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
Discover carefully curated flight deals from Ontario to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/207:01 am -
1 stop14h 34m
Tue 3/212:18 pm -
1 stop8h 16m
Deal found 11/11![Multiple Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/77:00 am -
1 stop14h 55m
Tue 12/159:40 pm -
1 stop11h 37m
Deal found 11/7![Delta logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/227:01 am -
1 stop9h 08m
Wed 3/311:47 am -
1 stop8h 47m
Deal found 11/11![Multiple Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:57 am -
1 stop9h 58m
Tue 12/89:40 pm -
1 stop11h 37m
Deal found 11/11![Delta logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/237:01 am -
1 stop12h 21m
Wed 3/311:47 am -
1 stop8h 47m
Deal found 11/11![Multiple Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/237:00 am -
1 stop15h 18m
Mon 3/810:45 pm -
1 stop10h 22m
Deal found 11/11![Delta logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:03 am -
1 stop15h 46m
Thu 12/106:00 am -
1 stop13h 25m
Deal found 11/7![Multiple Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am -
1 stop10h 55m
Thu 12/179:40 pm -
1 stop11h 37m
Deal found 11/7![Delta logo]()
$489
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/226:00 am -
1 stop10h 55m
Mon 3/810:45 pm -
1 stop10h 22m
Deal found 11/11![Delta logo]()
$489
This Alaska Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/47:20 am -
1 stop14h 15m
Thu 1/1411:47 am -
1 stop7h 31m
Deal found 11/8![Multiple Airlines logo]()
$497
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/76:00 am -
1 stop10h 55m
Fri 12/189:40 pm -
1 stop11h 39m
Deal found 11/7![Delta logo]()
$499
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:00 am -
1 stop10h 55m
Fri 12/189:40 pm -
1 stop11h 39m
Deal found 11/7![Delta logo]()
$499
Last-minute flights from Ontario to Kailua-KonaDiscover last-minute flight deals from Ontario to Kailua-Kona. Data last updated November 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kailua-Kona. Data last updated November 12, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 am -
1 stop9h 41m
Wed 12/98:45 pm -
1 stop22h 40m
Deal found 11/7![Multiple Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/18:03 am -
1 stop12h 28m
Tue 12/811:28 pm -
1 stop9h 45m
Deal found 11/8![Multiple Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:03 am -
1 stop7h 35m
Mon 12/711:20 am -
1 stop8h 05m
Deal found 11/11![Multiple Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
2 stops15h 55m
Thu 12/39:40 pm -
1 stop11h 37m
Deal found 11/11![Delta logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/28:03 am -
1 stop13h 32m
Thu 12/1012:32 pm -
1 stop9h 22m
Deal found 11/11![Multiple Airlines logo]()
$466
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:03 am -
1 stop15h 46m
Fri 12/46:00 am -
1 stop13h 25m
Deal found 11/11![Multiple Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop10h 55m
Thu 12/39:40 pm -
1 stop11h 37m
Deal found 11/11![Delta logo]()
$453
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:00 am -
1 stop10h 55m
Wed 12/99:40 pm -
1 stop11h 37m
Deal found 11/8![Delta logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/38:03 am -
1 stop8h 06m
Wed 12/912:17 pm -
1 stop7h 08m
Deal found 11/11![Multiple Airlines logo]()
$461
This Alaska Airlines deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:03 am -
1 stop8h 06m
Sat 12/511:28 pm -
1 stop9h 45m
Deal found 11/12![Multiple Airlines logo]()
$448
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:03 am -
1 stop12h 28m
Mon 12/76:00 am -
1 stop13h 25m
Deal found 11/11![Multiple Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:00 am -
1 stop10h 55m
Sun 12/69:40 pm -
1 stop11h 37m
Deal found 11/12![Delta logo]()
$462
One-way flights from Ontario to Kailua-KonaSearch for one-way flight options from Ontario to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
Search for one-way flight options from Ontario to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated November 12, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:03 am -
1 stop11h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Multiple Airlines logo]()
$225
This Gotogate deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:00 am -
1 stop14h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Alaska Airlines logo]()
$227
This Booking.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/106:00 am -
1 stop13h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Alaska Airlines logo]()
$228
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/411:57 am -
1 stop9h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$229
This American Airlines deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/46:30 am -
1 stop10h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![American Airlines logo]()
$230
This Mytrip deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop14h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Alaska Airlines logo]()
$232
This Delta deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/87:00 am -
1 stop15h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Delta logo]()
$233
This Gotogate deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/96:00 am -
1 stop14h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Alaska Airlines logo]()
$236
This CheapOair deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:03 am -
1 stop13h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Multiple Airlines logo]()
$237
This Booking.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/610:57 am -
1 stop27h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Multiple Airlines logo]()
$239
This Trip.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/317:20 am -
1 stop14h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$252
Find flight deals from Ontario to Kailua-Kona
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kailua-Kona (KOA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $424 (Alaska Airlines) |
One-way from | $225 (Alaska Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $537 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Kailua-Kona that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 12, 2026.
Use the filters below to find and compare flights from Ontario to Kailua-Kona that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Tue 2/2
7:00 am-2:09 pm
1 stop9h 09m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$225
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Fri 12/4
11:57 am-7:55 pm
1 stop9h 58m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sun 12/6
6:00 am-2:55 pm
1 stop10h 55m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sun 12/13
6:00 am-2:55 pm
1 stop10h 55m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sun 1/31
7:00 am-8:00 pm
1 stop15h 00m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Tue 12/15
6:00 am-2:55 pm
1 stop10h 55m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$229
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sat 1/9
7:00 am-8:00 pm
1 stop15h 00m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$233
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Wed 12/30
7:20 am-9:51 pm
1 stop16h 31m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$256
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Mon 11/30
7:40 am-7:34 pm
1 stop13h 54m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$283
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Wed 2/3
7:00 am-4:26 pm
2 stops11h 26m
Kona Intl
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$284
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from Ontario to Kailua-Kona
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kailua-Kona in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Ontario-Kailua-Kona flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Kailua-Kona flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Kailua-Kona flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-Kailua-Kona flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kailua-Kona flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Ontario to Kailua-Kona
Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Ontario with our price prediction graph.
ONT-KOA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Kailua-Kona
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What’s the top layover airport for flights from Ontario to Kailua-Kona?
Share of 1-stop round-trip flights from Ontario to Kailua-Kona chosen by Cheapflights users in the past 12 months, using the same layover each way.
San Francisco (SFO) – chosen by Cheapflights users on 67% of 1-stop itineraries from Ontario to Kailua-Kona on Cheapflights.
What’s the cheapest layover airport for flights from Ontario to Kailua-Kona?
Average round-trip fare for 1-stop flights from Ontario to Kailua-Kona, chosen by Cheapflights users in the past 12 months, with the same layover each way.
San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $493.
What’s the fastest layover option from Ontario to Kailua-Kona?
Shortest average travel time for 1-stop one-way flights from Ontario to Kailua-Kona, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 7h 44m.
Which airport typically offers the quickest layover for flights from Ontario to Kailua-Kona?
Average layover duration for 1-stop one-way flights from Ontario to Kailua-Kona, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 03m.
Reviews of airlines servicing Kailua-Kona
Get insights into the airlines that provide service to Kailua-Kona. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kailua-Kona. Reviews last updated November 12, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from Ontario to Kailua-Kona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Kailua-Kona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Kailua-Kona
Explore flights to Kailua-Kona departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 12, 2026.
Ontario and Kailua-Kona flights
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Top 4 airlines flying from Ontario to Kailua-Kona
Discover the top 4 airlines that operate flights from Ontario to Kailua-Kona. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$296 | Average$675 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$317 | Average$524 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$335 | Average$477 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$379 | Average$496 | FlexibilityNo cancel fee | On-time63% |