$141+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
Mar 24 — Mar 311
1 adult, Economy
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Find cheap flights from Ontario to Kaua'i 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 Kaua'i
Cheapest
Best
Last-minute
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 February 22, 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 February 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 4/278:30 am
ONT
- LIH
1 stop14h 59m
Multiple Airlines
Tue 5/512:11 pm
LIH
- ONT
1 stop8h 37m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$301
This Expedia deal was found by Cheapflights users on 2/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/278:30 am
ONT
- LIH
1 stop14h 59m
Multiple Airlines
Wed 5/610:26 pm
LIH
- ONT
1 stop13h 06m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$328
This Delta deal was found by Cheapflights users on 2/20. 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 4/297:00 am
ONT
- LIH
1 stop13h 40m
Delta
Mon 5/49:25 pm
LIH
- ONT
2 stops11h 49m
Delta
Deal found 2/20![Delta logo]()
$362
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/185:02 pm
ONT
- LIH
1 stop25h 32m
American Airlines
Wed 3/259:00 pm
LIH
- ONT
1 stop8h 51m
American Airlines
Deal found 2/18![American Airlines logo]()
$395
This Delta deal was found by Cheapflights users on 2/19. 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 4/267:00 am
ONT
- LIH
1 stop13h 40m
Delta
Wed 4/298:20 pm
LIH
- ONT
1 stop11h 53m
Delta
Deal found 2/19![Delta logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 2/21. 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.
Tue 9/88:00 am
ONT
- LIH
1 stop7h 29m
Multiple Airlines
Tue 9/1511:16 am
LIH
- ONT
1 stop7h 12m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 4/2311:00 am
ONT
- LIH
1 stop8h 10m
Southwest
Tue 4/289:10 pm
LIH
- ONT
2 stops11h 25m
Southwest
Deal found 2/20![Southwest logo]()
$413
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/251:27 pm
ONT
- LIH
1 stop9h 26m
United Airlines
Sat 5/210:55 pm
LIH
- ONT
1 stop7h 46m
United Airlines
Deal found 2/19![United Airlines logo]()
$416
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 February 22, 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 February 22, 2026.
This United Airlines deal was found by Cheapflights users on 2/19. 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 4/2510:49 am
ONT
- LIH
2 stops12h 34m
United Airlines
Sat 5/210:55 pm
LIH
- ONT
1 stop7h 46m
United Airlines
Deal found 2/19![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 5/2812:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Wed 6/1012:03 pm
LIH
- ONT
1 stop8h 51m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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.
Fri 5/88:30 am
ONT
- LIH
1 stop29h 04m
Multiple Airlines
Sat 5/1610:26 pm
LIH
- ONT
1 stop9h 44m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$486
This Southwest deal was found by Cheapflights users on 2/18. 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 3/185:45 am
ONT
- LIH
1 stop13h 45m
Southwest
Wed 3/258:10 pm
LIH
- ONT
2 stops10h 10m
Southwest
Deal found 2/18![Southwest logo]()
$496
This United Airlines deal was found by Cheapflights users on 2/18. 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 7/61:33 pm
ONT
- LIH
1 stop9h 09m
United Airlines
Thu 7/1610:44 pm
LIH
- ONT
1 stop10h 36m
United Airlines
Deal found 2/18![United Airlines logo]()
$478
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 5/2812:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Tue 6/912:02 pm
LIH
- ONT
1 stop8h 54m
Alaska Airlines
Deal found 2/21![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 2/21. 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 4/128:32 am
ONT
- LIH
1 stop14h 58m
Multiple Airlines
Thu 4/166:47 am
LIH
- ONT
1 stop13h 12m
Multiple Airlines
Deal found 2/21![Multiple Airlines logo]()
$498
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 6/112:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Mon 6/812:02 pm
LIH
- ONT
1 stop8h 54m
Alaska Airlines
Deal found 2/19![Alaska Airlines logo]()
$481
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 5/73:26 pm
ONT
- LIH
2 stops17h 51m
Multiple Airlines
Thu 5/147:18 pm
LIH
- ONT
2 stops20h 29m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$508
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 8/11:47 pm
ONT
- LIH
1 stop10h 41m
Alaska Airlines
Wed 8/1210:28 pm
LIH
- ONT
1 stop9h 51m
Alaska Airlines
Deal found 2/20![Alaska Airlines logo]()
$502
Last-minute flights from Ontario to Kaua'iDiscover last-minute flight deals from Ontario to Kaua'i. Data last updated February 22, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kaua'i. Data last updated February 22, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 2/248:41 am
ONT
- LIH
1 stop13h 47m
Multiple Airlines
Wed 2/256:48 am
LIH
- ONT
1 stop13h 27m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$482
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 2/278:41 am
ONT
- LIH
1 stop8h 40m
Multiple Airlines
Mon 3/211:19 pm
LIH
- ONT
1 stop9h 49m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 2/18. 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 3/86:00 am
ONT
- LIH
1 stop14h 40m
Delta
Mon 3/168:19 pm
LIH
- ONT
1 stop17h 54m
Delta
Deal found 2/18![Delta logo]()
$463
This Delta deal was found by Cheapflights users on 2/19. 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 3/96:00 am
ONT
- LIH
1 stop14h 40m
Delta
Mon 3/168:19 pm
LIH
- ONT
1 stop17h 54m
Delta
Deal found 2/19![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 2/19. 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 3/116:00 am
ONT
- LIH
1 stop14h 40m
Delta
Mon 3/168:19 pm
LIH
- ONT
1 stop17h 54m
Delta
Deal found 2/19![Delta logo]()
$444
This Delta deal was found by Cheapflights users on 2/19. 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 3/126:00 am
ONT
- LIH
1 stop14h 40m
Delta
Tue 3/178:19 pm
LIH
- ONT
2 stops17h 09m
Delta
Deal found 2/19![Delta logo]()
$486
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 3/168:45 am
ONT
- LIH
1 stop12h 17m
Multiple Airlines
Wed 3/257:26 am
LIH
- ONT
1 stop12h 33m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$430
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 3/168:45 am
ONT
- LIH
1 stop12h 17m
Multiple Airlines
Mon 3/169:00 pm
LIH
- ONT
1 stop20h 55m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$464
This American Airlines deal was found by Cheapflights users on 2/18. 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.
Wed 3/185:02 pm
ONT
- LIH
1 stop25h 32m
American Airlines
Wed 3/259:00 pm
LIH
- ONT
1 stop8h 51m
American Airlines
Deal found 2/18![American Airlines logo]()
$395
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 3/198:32 am
ONT
- LIH
1 stop13h 49m
Multiple Airlines
Wed 3/2512:26 pm
LIH
- ONT
1 stop7h 33m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$478
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 February 22, 2026.
Search for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated February 22, 2026.
This SmartFares deal was found by Cheapflights users on 2/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/38:30 am
ONT
- LIH
1 stop7h 54m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$141
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/268:30 am
ONT
- LIH
1 stop9h 05m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$162
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 5/1912:04 pm
ONT
- LIH
1 stop12h 22m
Alaska Airlines
Deal found 2/18![Alaska Airlines logo]()
$166
This Alaska Airlines deal was found by Cheapflights users on 2/20. 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 4/278:30 am
ONT
- LIH
1 stop12h 26m
Multiple Airlines
Deal found 2/20![Multiple Airlines logo]()
$174
This Trip.com deal was found by Cheapflights users on 2/18. 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.
Wed 4/228:30 am
ONT
- LIH
1 stop7h 54m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$193
This Delta deal was found by Cheapflights users on 2/18. 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 4/76:00 am
ONT
- LIH
1 stop14h 41m
Delta
Deal found 2/18![Delta logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/258:30 am
ONT
- LIH
1 stop9h 05m
Multiple Airlines
Deal found 2/19![Multiple Airlines logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 2/18. 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 4/308:30 am
ONT
- LIH
1 stop11h 54m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$207
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 February 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $301 (Kiwi.com) |
One-way from | $141 (SmartFares) |
Popular in | June |
Cheapest in | February |
Average price | $377 |
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 February 22, 2026.
Use the filters below to find and compare flights from Ontario to Kaua'i that are best for you.
Fly from
Ontario
Fly to
Kaua'i
Route
Depart
Return
Price
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sat 4/25
10:49 am-8:23 pm
2 stops12h 34m
Lihue
Sat 5/2
10:55 pm-9:41 am
1 stop7h 46m
$422
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 7/6
1:33 pm-7:42 pm
1 stop9h 09m
Lihue
Thu 7/16
10:44 pm-12:20 pm
1 stop10h 36m
$478
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Thu 5/28
12:04 pm-9:26 pm
1 stop12h 22m
Lihue
Wed 6/10
12:03 pm-11:54 pm
1 stop8h 51m
$481
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Thu 5/28
12:04 pm-9:26 pm
1 stop12h 22m
Lihue
Tue 6/9
12:02 pm-11:56 pm
1 stop8h 54m
$481
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Mon 6/1
12:04 pm-9:26 pm
1 stop12h 22m
Lihue
Mon 6/8
12:02 pm-11:56 pm
1 stop8h 54m
$481
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Fri 5/8
8:30 am-10:34 am
1 stop29h 04m
Lihue
Sat 5/16
10:26 pm-11:10 am
1 stop9h 44m
$486
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Wed 3/18
5:45 am-4:30 pm
1 stop13h 45m
Lihue
Wed 3/25
8:10 pm-9:20 am
2 stops10h 10m
$496
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sun 4/12
8:32 am-8:30 pm
1 stop14h 58m
Lihue
Thu 4/16
6:47 am-10:59 pm
1 stop13h 12m
$498
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Sat 8/1
1:47 pm-9:28 pm
1 stop10h 41m
Lihue
Wed 8/12
10:28 pm-11:19 am
1 stop9h 51m
$502
OntarioLihue
ONT - LIH
ONTLIH
Ontario
Thu 5/7
3:26 pm-6:17 am
2 stops17h 51m
Lihue
Thu 5/14
7:18 pm-6:47 pm
2 stops20h 29m
$508
Showing 1-10 of 22 results
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, September is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $181). Flying from Ontario to Kaua'i in June is currently the most expensive (average of $269). 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 February 22, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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
Entertainment
7.0
Food
7.1
Overall
8.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Boarding
8.1
Entertainment
7.0
Food
7.1
Overall
8.0
Crew
8.5
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Jan 2026
STS - LAX
Related info for your journey
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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Find flights from Ontario to Kaua'i, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Ontario and Kaua'i flights
Browse other Ontario and Kaua'i flight options. Last updated on February 22, 2026.
Popular flight searches
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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 February 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$326 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$361 | Average$610 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$377 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$393 | Average$640 | FlexibilityNo cancel fee | On-time69% |