$172+ Cheap flights from Ontario to Kailua-Kona (ONT - KOA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — KOA
Sep 11 — Sep 181
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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Best
Last-minute
One-way
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 August 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 August 12, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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 12/17:04 am -
1 stop14h 23m
Tue 12/810:40 pm -
1 stop10h 37m
Deal found 8/10![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/10. 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 12/16:00 am -
2 stops15h 27m
Wed 12/910:40 pm -
1 stop10h 37m
Deal found 8/10![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/10. 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 12/16:00 am -
2 stops15h 27m
Fri 12/410:40 pm -
2 stops15h 50m
Deal found 8/10![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 8/10. 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 9/16:00 am -
2 stops14h 35m
Wed 9/98:55 pm -
1 stop11h 19m
Deal found 8/10![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 8/11. 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 9/176:00 am -
1 stop14h 31m
Wed 9/238:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$394
This Delta deal was found by Cheapflights users on 8/11. 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 9/116:00 am -
1 stop14h 31m
Tue 9/228:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$403
This Delta deal was found by Cheapflights users on 8/11. 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 9/76:20 am -
1 stop14h 15m
Thu 9/108:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 8/11. 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 9/116:00 am -
1 stop14h 31m
Fri 9/188:55 pm -
2 stops16h 40m
Deal found 8/11![Delta logo]()
$409
This Delta deal was found by Cheapflights users on 8/11. 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 9/155:15 pm -
2 stops27h 16m
Thu 9/178:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$410
This Delta deal was found by Cheapflights users on 8/11. 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 9/76:20 am -
1 stop14h 15m
Wed 9/98:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$412
This Delta deal was found by Cheapflights users on 8/11. 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 9/145:15 pm -
2 stops27h 16m
Thu 9/178:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$415
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 August 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 August 12, 2026.
This Delta deal was found by Cheapflights users on 8/10. 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 9/96:00 am -
1 stop14h 31m
Wed 9/168:55 pm -
1 stop11h 19m
Deal found 8/10![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:00 am -
1 stop9h 15m
Wed 10/2810:00 am -
1 stop9h 15m
Deal found 8/7![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:35 pm -
1 stop8h 57m
Wed 11/411:59 pm -
1 stop10h 30m
Deal found 8/10![United Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/1412:12 pm -
1 stop10h 15m
Fri 9/1810:25 pm -
1 stop9h 51m
Deal found 8/10![Alaska Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 8/11. 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 9/76:20 am -
1 stop14h 15m
Thu 9/108:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$406
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop9h 10m
Wed 9/1610:00 am -
1 stop7h 10m
Deal found 8/6![Southwest logo]()
$458
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/276:07 am -
1 stop7h 36m
Wed 9/3010:55 pm -
1 stop8h 28m
Deal found 8/9![United Airlines logo]()
$468
This United Airlines deal was found by Cheapflights users on 8/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:00 am -
2 stops12h 05m
Tue 9/810:50 pm -
1 stop10h 22m
Deal found 8/8![United Airlines logo]()
$513
This Delta deal was found by Cheapflights users on 8/11. 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 9/15:05 pm -
2 stops27h 30m
Thu 9/108:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$518
Last-minute flights from Ontario to Kailua-KonaDiscover last-minute flight deals from Ontario to Kailua-Kona. Data last updated August 12, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kailua-Kona. Data last updated August 12, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/11. 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 9/16:20 am -
1 stop14h 15m
Thu 9/108:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$350
This Delta deal was found by Cheapflights users on 8/10. 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 9/16:00 am -
2 stops14h 35m
Wed 9/98:55 pm -
1 stop11h 19m
Deal found 8/10![Delta logo]()
$356
This Delta deal was found by Cheapflights users on 8/11. 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 9/16:20 am -
1 stop14h 15m
Fri 9/48:42 pm -
1 stop14h 26m
Deal found 8/11![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 8/10. 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.
Sat 9/56:20 am -
1 stop14h 15m
Wed 9/98:55 pm -
1 stop11h 19m
Deal found 8/10![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 8/11. 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 9/76:20 am -
1 stop14h 15m
Thu 9/108:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$406
This Delta deal was found by Cheapflights users on 8/11. 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 9/76:20 am -
1 stop14h 15m
Wed 9/98:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$412
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:10 am -
1 stop9h 15m
Mon 9/146:05 am -
1 stop11h 10m
Deal found 8/10![Southwest logo]()
$447
This Delta deal was found by Cheapflights users on 8/10. 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 9/96:00 am -
1 stop14h 31m
Wed 9/168:55 pm -
1 stop11h 19m
Deal found 8/10![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
2 stops15h 05m
Wed 9/168:35 pm -
1 stop11h 50m
Deal found 8/10![Southwest logo]()
$432
This Delta deal was found by Cheapflights users on 8/11. 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 9/246:00 am -
1 stop14h 31m
Thu 10/18:55 pm -
1 stop11h 19m
Deal found 8/11![Delta logo]()
$426
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 August 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 August 12, 2026.
This Delta deal was found by Cheapflights users on 8/11. 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.
Sun 10/186:20 am -
1 stop14h 18m
Deal found 8/11![Delta logo]()
$172
This Booking.com deal was found by Cheapflights users on 8/10. 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.
Tue 10/277:00 am -
1 stop7h 43m
Deal found 8/10![Multiple Airlines logo]()
$215
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/149:31 am -
1 stop11h 46m
Deal found 8/10![Multiple Airlines logo]()
$218
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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 9/136:02 am -
1 stop10h 26m
Deal found 8/10![Alaska Airlines logo]()
$222
This United Airlines deal was found by Cheapflights users on 8/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:08 am -
1 stop7h 41m
Deal found 8/10![United Airlines logo]()
$227
This Priceline deal was found by Cheapflights users on 8/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/267:00 am -
1 stop7h 43m
Deal found 8/10![Multiple Airlines logo]()
$230
This United Airlines deal was found by Cheapflights users on 8/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:08 am -
1 stop9h 40m
Deal found 8/11![United Airlines logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:12 pm -
1 stop10h 15m
Deal found 8/9![Alaska Airlines logo]()
$234
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:00 am -
1 stop13h 05m
Deal found 8/6![Southwest logo]()
$235
This Booking.com deal was found by Cheapflights users on 8/11. 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.
Sun 10/187:00 am -
1 stop8h 16m
Deal found 8/11![Multiple Airlines logo]()
$236
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 August 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Delta) |
One-way from | $172 (Delta) |
Popular in | December |
Cheapest in | January |
Average price | $496 |
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 2,558,603 searches. Data last updated August 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
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Wed 9/9
6:00 am-5:31 pm
1 stop14h 31m
Kona Intl
Wed 9/16
8:55 pm-11:14 am
1 stop11h 19m
$344
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Mon 9/7
6:20 am-5:35 pm
1 stop14h 15m
Kona Intl
Thu 9/10
8:55 pm-11:14 am
1 stop11h 19m
$406
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Mon 10/19
8:00 am-2:15 pm
1 stop9h 15m
Kona Intl
Wed 10/28
10:00 am-10:15 pm
1 stop9h 15m
$452
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Tue 11/3
1:35 pm-8:32 pm
1 stop8h 57m
Kona Intl
Wed 11/4
11:59 pm-12:29 pm
1 stop10h 30m
$454
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Fri 9/11
8:00 am-2:10 pm
1 stop9h 10m
Kona Intl
Wed 9/16
10:00 am-8:10 pm
1 stop7h 10m
$458
Quickest round-trip
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sun 9/27
6:07 am-10:43 am
1 stop7h 36m
Kona Intl
Wed 9/30
10:55 pm-10:23 am
1 stop8h 28m
$468
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Mon 9/14
12:12 pm-7:27 pm
1 stop10h 15m
Kona Intl
Fri 9/18
10:25 pm-11:16 am
1 stop9h 51m
$491
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Sat 9/5
11:00 am-8:05 pm
2 stops12h 05m
Kona Intl
Tue 9/8
10:50 pm-12:12 pm
1 stop10h 22m
$513
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Tue 9/1
5:05 pm-5:35 pm
2 stops27h 30m
Kona Intl
Thu 9/10
8:55 pm-11:14 am
1 stop11h 19m
$518
Cheapest one-way
Quickest one-way
OntarioKailua-Kona
ONT Ontario - KOA Kona Intl
ONTKOA
Ontario
Wed 11/4
1:35 pm-8:32 pm
1 stop8h 57m
$227
Showing 1-10 of 19 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
What is the cheapest month to book a flight from Ontario to Kailua-Kona?
Currently, January is the cheapest month in which you can book a flight from Ontario to Kailua-Kona (average of $358). Flying from Ontario to Kailua-Kona in December is currently the most expensive (average of $692). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Ontario to Kailua-Kona?
Airfare is below average for this route at the moment.
Ontario to Kailua-Kona flights typically cost between $429 and $534 in December.The cheapest round-trip price found within the last 5 days was $344 on Delta (Dec 1-Dec 8).
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 August 12, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andUnited Airlines 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.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Boarding
8.1
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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Alternative routes for Ontario to Kailua-Kona
See prices for flight routes from nearby airports that may be better suited for you.
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Complete your trip to Kailua-Kona by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Kailua-Kona by cabin class
Find flights from Ontario to Kailua-Kona, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 August 12, 2026.
Ontario and Kailua-Kona flights
Browse other Ontario and Kailua-Kona flight options. Last updated on August 12, 2026.
Other flights from Ontario
Browse through other flights departing from Ontario. Flights are based on user searches made on Cheapflights and were last updated on August 12, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Ontario to Kailua-Kona
Discover the top 3 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 2,558,603 searches. Data last updated August 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$309 | Average$521 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$335 | Average$464 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$379 | Average$529 | FlexibilityNo cancel fee | On-time63% |