$195+ Cheap flights from Ontario (ONT) to Kaua'i
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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
May 17 — May 241
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Kaua'i with Cheapflights
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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
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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 Kaua'i
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One-way
Cheapest flights from Ontario to Kaua'iExplore the most affordable flight options available from Ontario to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from Ontario to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 5/1311:52 am
ONT
- LIH
1 stop10h 14m
Delta
Tue 5/199:55 pm
LIH
- ONT
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 4/13. 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 5/1311:52 am
ONT
- LIH
1 stop10h 14m
Delta
Fri 5/229:55 pm
LIH
- ONT
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$417
This Delta deal was found by Cheapflights users on 4/13. 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 5/106:00 am
ONT
- LIH
2 stops16h 06m
Delta
Fri 5/229:55 pm
LIH
- ONT
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$423
This Alaska Airlines deal was found by Cheapflights users on 4/13. 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 9/2312:10 pm
ONT
- LIH
1 stop10h 34m
Multiple Airlines
Wed 9/309:43 am
LIH
- ONT
1 stop8h 37m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 7/72:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Tue 7/1410:28 pm
LIH
- ONT
1 stop11h 41m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 4/14. 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 9/86:00 am
ONT
- LIH
2 stops16h 20m
Delta
Wed 9/169:45 pm
LIH
- ONT
1 stop12h 04m
Delta
Deal found 4/14![Delta logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:40 am
ONT
- LIH
1 stop8h 59m
Multiple Airlines
Fri 5/2912:00 pm
LIH
- ONT
1 stop7h 17m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/259:40 am
ONT
- LIH
1 stop8h 59m
Multiple Airlines
Mon 6/18:45 pm
LIH
- ONT
1 stop22h 32m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$446
Best flights from Ontario to Kaua'iDiscover carefully curated flight deals from Ontario to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from Ontario to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This Delta deal was found by Cheapflights users on 4/13. 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 5/116:00 am
ONT
- LIH
2 stops16h 06m
Delta
Fri 5/229:55 pm
LIH
- ONT
2 stops11h 24m
Delta
Deal found 4/13![Delta logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/1312:06 pm
ONT
- LIH
1 stop12h 20m
Alaska Airlines
Tue 6/2310:28 pm
LIH
- ONT
1 stop9h 46m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$464
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Tue 5/58:30 am
ONT
- LIH
1 stop13h 51m
Multiple Airlines
Wed 5/66:48 am
LIH
- ONT
1 stop11h 22m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$502
This Southwest deal was found by Cheapflights users on 4/17. 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 5/2511:00 am
ONT
- LIH
2 stops13h 25m
Southwest
Fri 5/298:20 am
LIH
- ONT
2 stops10h 00m
Southwest
Deal found 4/17![Southwest logo]()
$625
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Tue 5/269:40 am
ONT
- LIH
1 stop25h 21m
Multiple Airlines
Tue 6/912:30 pm
LIH
- ONT
1 stop19h 44m
Multiple Airlines
Deal found 4/12![Multiple Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 4/12. 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.
Tue 5/2611:52 am
ONT
- LIH
1 stop10h 14m
Delta
Tue 6/99:55 pm
LIH
- ONT
2 stops15h 47m
Delta
Deal found 4/12![Delta logo]()
$524
This Delta deal was found by Cheapflights users on 4/17. 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 6/291:00 pm
ONT
- LIH
2 stops33h 01m
Delta
Tue 7/149:55 pm
LIH
- ONT
1 stop12h 07m
Delta
Deal found 4/17![Delta logo]()
$542
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 4/218:32 am
ONT
- LIH
1 stop8h 36m
Multiple Airlines
Tue 4/2810:36 am
LIH
- ONT
1 stop7h 34m
Multiple Airlines
Deal found 4/14![Multiple Airlines logo]()
$587
This Delta deal was found by Cheapflights users on 4/17. 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 7/11:00 pm
ONT
- LIH
2 stops33h 01m
Delta
Mon 7/139:55 pm
LIH
- ONT
2 stops11h 13m
Delta
Deal found 4/17![Delta logo]()
$553
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/28:30 am
ONT
- LIH
1 stop7h 54m
Multiple Airlines
Sat 5/99:06 pm
LIH
- ONT
1 stop10h 02m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$596
Last-minute flights from Ontario to Kaua'iDiscover last-minute flight deals from Ontario to Kaua'i. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kaua'i. Data last updated April 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/13. 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 5/106:00 am
ONT
- LIH
2 stops16h 06m
Delta
Fri 5/229:55 pm
LIH
- ONT
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 4/13. 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 5/1311:52 am
ONT
- LIH
1 stop10h 14m
Delta
Tue 5/199:55 pm
LIH
- ONT
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$390
This Delta deal was found by Cheapflights users on 4/13. 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 5/1311:52 am
ONT
- LIH
1 stop10h 14m
Delta
Wed 5/209:55 pm
LIH
- ONT
2 stops15h 22m
Delta
Deal found 4/13![Delta logo]()
$396
This Delta deal was found by Cheapflights users on 4/13. 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 5/1311:52 am
ONT
- LIH
1 stop10h 14m
Delta
Fri 5/229:55 pm
LIH
- ONT
1 stop10h 17m
Delta
Deal found 4/13![Delta logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 4/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/259:40 am
ONT
- LIH
1 stop8h 59m
Multiple Airlines
Fri 5/2912:00 pm
LIH
- ONT
1 stop7h 17m
Multiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/259:40 am
ONT
- LIH
1 stop8h 59m
Multiple Airlines
Mon 6/18:45 pm
LIH
- ONT
1 stop22h 32m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$446
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/2712:06 pm
ONT
- LIH
1 stop12h 20m
Multiple Airlines
Tue 6/29:45 am
LIH
- ONT
1 stop9h 32m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$450
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/2712:06 pm
ONT
- LIH
1 stop12h 20m
Alaska Airlines
Wed 6/312:02 pm
LIH
- ONT
1 stop8h 54m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$454
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/289:40 am
ONT
- LIH
1 stop12h 52m
Multiple Airlines
Fri 5/297:10 am
LIH
- ONT
1 stop12h 07m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$453
One-way flights from Ontario to Kaua'iSearch for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 5/1312:06 pm
ONT
- LIH
1 stop12h 20m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$195
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 8/169:11 am
ONT
- LIH
1 stop10h 51m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$213
This lol.travel deal was found by Cheapflights users on 4/15. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$214
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 7/82:05 pm
ONT
- LIH
1 stop10h 20m
Alaska Airlines
Deal found 4/17![Alaska Airlines logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 5/269:40 am
ONT
- LIH
1 stop12h 52m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$223
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/2712:06 pm
ONT
- LIH
1 stop12h 20m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$227
This Delta deal was found by Cheapflights users on 4/16. 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 7/196:00 am
ONT
- LIH
2 stops16h 03m
Delta
Deal found 4/16![Delta logo]()
$228
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 5/289:40 am
ONT
- LIH
1 stop13h 33m
Multiple Airlines
Deal found 4/15![Multiple Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 4/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- LIH
1 stop8h 29m
United Airlines
Deal found 4/12![United Airlines logo]()
$250
This United Airlines deal was found by Cheapflights users on 4/13. 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 5/46:00 am
ONT
- LIH
1 stop8h 29m
United Airlines
Deal found 4/13![United Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 4/16. 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 5/186:45 am
ONT
- LIH
1 stop15h 21m
Delta
Deal found 4/16![Delta logo]()
$255
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 6/412:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$259
Find flight deals from Ontario to Kaua'i
Keep the following information in mind while searching for Ontario to Kaua'i flight deals. Data was last updated April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $390 (Delta) |
One-way from | $195 (Alaska Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $431 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Kaua'i 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 April 17, 2026.
Use the filters below to find and compare flights from Ontario to Kaua'i that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 5/11
6:00 am-7:06 pm
2 stops16h 06m
Lihue
Fri 5/22
9:55 pm-12:19 pm
2 stops11h 24m
$428
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 5/13
12:06 pm-9:26 pm
1 stop12h 20m
Lihue
Tue 6/23
10:28 pm-11:14 am
1 stop9h 46m
$464
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 5/5
8:30 am-7:21 pm
1 stop13h 51m
Lihue
Wed 5/6
6:48 am-9:10 pm
1 stop11h 22m
$502
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 5/26
9:40 am-8:01 am
1 stop25h 21m
Lihue
Tue 6/9
12:30 pm-11:14 am
1 stop19h 44m
$514
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 5/26
11:52 am-7:06 pm
1 stop10h 14m
Lihue
Tue 6/9
9:55 pm-4:42 pm
2 stops15h 47m
$524
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 6/29
1:00 pm-7:01 pm
2 stops33h 01m
Lihue
Tue 7/14
9:55 pm-1:02 pm
1 stop12h 07m
$542
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 7/1
1:00 pm-7:01 pm
2 stops33h 01m
Lihue
Mon 7/13
9:55 pm-12:08 pm
2 stops11h 13m
$553
Quickest round-trip
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Tue 4/21
8:32 am-2:08 pm
1 stop8h 36m
Lihue
Tue 4/28
10:36 am-9:10 pm
1 stop7h 34m
$587
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sat 5/2
8:30 am-1:24 pm
1 stop7h 54m
Lihue
Sat 5/9
9:06 pm-10:08 am
1 stop10h 02m
$596
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 5/25
11:00 am-9:25 pm
2 stops13h 25m
Lihue
Fri 5/29
8:20 am-9:20 pm
2 stops10h 00m
$625
Showing 1-10 of 22 resultsSorted by cheapest first
Best time to book a flight from Ontario to Kaua'i
Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Ontario with our price prediction graph.
ONT-LIH
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 Kaua'i
ONT-zzFUS
ONT-LIH
What is the cheapest month to book a flight from Ontario to Kaua'i?
Currently, August is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $230). Flying from Ontario to Kaua'i in June is currently the most expensive (average of $519). 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.
Reviews of airlines servicing Kaua'i
Get insights into the airlines that provide service to Kaua'i. 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 Kaua'i. Reviews last updated April 17, 2026.
Get a feel of what it's like to fly with Southwest,Alaska Airlines, andDelta from Ontario to Kaua'i by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Boarding
8.1
Food
7.0
Comfort
8.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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Find useful and relevant information for your journey from Ontario to Kaua'i. 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 Kaua'i
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Ontario and Kaua'i flights
Browse other Ontario and Kaua'i flight options. Last updated on April 17, 2026.
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Top 4 airlines flying from Ontario to Kaua'i
Discover the top 4 airlines that operate flights from Ontario to Kaua'i. 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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$230 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$258 | Average$596 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$352 | Average$574 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$361 | Average$588 | FlexibilityNo cancel fee | On-time63% |