$163+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
Sep 18 — Sep 251
Round-trip
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 August 19, 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 August 19, 2026.
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/1311:54 am -
1 stop10h 16m
Tue 9/229:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/1311:54 am -
1 stop10h 16m
Mon 9/219:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 8/17. 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 9/96:00 am -
2 stops14h 39m
Wed 9/99:54 pm -
2 stops11h 20m
Deal found 8/17![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 9/166:00 am -
1 stop13h 10m
Wed 9/239:25 pm -
1 stop11h 25m
Deal found 8/17![Southwest logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 9/139:31 am -
1 stop10h 32m
Wed 9/236:00 am -
1 stop13h 10m
Deal found 8/17![Multiple Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 9/1711:54 am -
1 stop10h 16m
Sat 9/269:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 8/17. 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 9/166:00 am -
2 stops16h 10m
Wed 9/238:45 pm -
2 stops12h 29m
Deal found 8/17![Delta logo]()
$411
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 9/911:10 am -
1 stop8h 00m
Wed 9/99:25 pm -
1 stop11h 25m
Deal found 8/17![Southwest logo]()
$422
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/86:07 am -
1 stop8h 22m
Mon 10/1211:00 pm -
1 stop8h 23m
Deal found 8/18![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 8/18. 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.
Mon 11/1611:57 am -
1 stop10h 16m
Thu 11/199:40 pm -
1 stop11h 37m
Deal found 8/18![Delta logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:30 am -
1 stop11h 40m
Wed 11/1810:35 pm -
1 stop15h 02m
Deal found 8/17![American Airlines logo]()
$430
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 August 19, 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 August 19, 2026.
This Delta deal was found by Cheapflights users on 8/18. 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 1/317:00 am -
1 stop15h 22m
Tue 2/1610:45 pm -
1 stop13h 12m
Deal found 8/18![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/86:07 am -
1 stop8h 22m
Mon 10/1211:00 pm -
1 stop8h 23m
Deal found 8/18![United Airlines logo]()
$424
This Southwest deal was found by Cheapflights users on 8/18. 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.
Sat 1/169:00 am -
1 stop14h 30m
Tue 1/197:10 pm -
2 stops12h 15m
Deal found 8/18![Southwest logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 10/277:00 am -
1 stop16h 13m
Wed 10/288:13 am -
1 stop10h 16m
Deal found 8/16![Multiple Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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.
Fri 9/116:14 pm -
1 stop20h 06m
Fri 9/1811:25 am -
1 stop19h 26m
Deal found 8/14![Multiple Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 8/14. 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.
Fri 9/1111:54 am -
1 stop10h 16m
Fri 9/189:54 pm -
2 stops15h 41m
Deal found 8/14![Delta logo]()
$481
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Sun 11/156:00 am -
1 stop8h 31m
Sat 11/2111:59 pm -
1 stop10h 30m
Deal found 8/18![United Airlines logo]()
$484
This Southwest deal was found by Cheapflights users on 8/17. 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.
Sun 1/1010:05 am -
2 stops13h 25m
Sun 1/179:10 pm -
2 stops12h 10m
Deal found 8/17![Southwest logo]()
$533
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:54 am -
1 stop10h 16m
Mon 9/219:54 pm -
1 stop10h 20m
Deal found 8/15![Delta logo]()
$492
This Delta deal was found by Cheapflights users on 8/16. 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.
Thu 9/1711:54 am -
1 stop10h 16m
Wed 9/239:54 pm -
1 stop10h 20m
Deal found 8/16![Delta logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Thu 1/148:39 am -
1 stop8h 35m
Mon 1/188:45 pm -
1 stop22h 33m
Deal found 8/17![Multiple Airlines logo]()
$553
Last-minute flights from Ontario to Kaua'iDiscover last-minute flight deals from Ontario to Kaua'i. Data last updated August 19, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Kaua'i. Data last updated August 19, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/17. 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 9/96:00 am -
2 stops14h 39m
Wed 9/99:54 pm -
2 stops11h 20m
Deal found 8/17![Delta logo]()
$379
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 9/911:10 am -
1 stop8h 00m
Wed 9/99:25 pm -
1 stop11h 25m
Deal found 8/17![Southwest logo]()
$422
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/1311:54 am -
1 stop10h 16m
Tue 9/229:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 8/17. 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.
Sun 9/1311:54 am -
1 stop10h 16m
Sat 9/269:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$374
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Sun 9/139:31 am -
1 stop10h 32m
Wed 9/236:00 am -
1 stop13h 10m
Deal found 8/17![Multiple Airlines logo]()
$401
This Southwest deal was found by Cheapflights users on 8/17. 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.
Wed 9/166:00 am -
1 stop13h 10m
Wed 9/239:25 pm -
1 stop11h 25m
Deal found 8/17![Southwest logo]()
$385
This Delta deal was found by Cheapflights users on 8/17. 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 9/166:00 am -
2 stops16h 10m
Wed 9/238:45 pm -
2 stops12h 29m
Deal found 8/17![Delta logo]()
$411
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 9/1711:54 am -
1 stop10h 16m
Thu 9/249:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$404
This Delta deal was found by Cheapflights users on 8/17. 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.
Thu 9/1711:54 am -
1 stop10h 16m
Wed 9/239:54 pm -
1 stop21h 46m
Deal found 8/17![Delta logo]()
$439
This Delta deal was found by Cheapflights users on 8/17. 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.
Fri 9/1811:54 am -
1 stop10h 16m
Sat 9/269:54 pm -
1 stop10h 20m
Deal found 8/17![Delta logo]()
$434
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 August 19, 2026.
Search for one-way flight options from Ontario to Kaua'i. Find affordable one-way fares based on user searches. Data last updated August 19, 2026.
This Trip.com deal was found by Cheapflights users on 8/18. 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.
Mon 11/911:38 am -
1 stop26h 28m
Deal found 8/18![Multiple Airlines logo]()
$163
This Delta deal was found by Cheapflights users on 8/19. 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 10/1911:56 am -
1 stop10h 18m
Deal found 8/19![Delta logo]()
$172
This Southwest deal was found by Cheapflights users on 8/18. 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.
Fri 11/69:00 am -
1 stop11h 05m
Deal found 8/18![Southwest logo]()
$198
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/108:39 am -
1 stop13h 34m
Deal found 8/17![Multiple Airlines logo]()
$201
This Delta deal was found by Cheapflights users on 8/19. 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 10/2211:56 am -
1 stop10h 18m
Deal found 8/19![Delta logo]()
$202
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:02 pm -
1 stop12h 26m
Deal found 8/17![Alaska Airlines logo]()
$205
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 1/118:39 am -
1 stop26h 31m
Deal found 8/17![Multiple Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 8/19. 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.
Fri 10/236:00 am -
2 stops16h 14m
Deal found 8/19![Delta logo]()
$213
This Priceline deal was found by Cheapflights users on 8/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/219:31 am -
1 stop10h 32m
Deal found 8/17![Multiple Airlines logo]()
$222
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/187:00 am -
1 stop11h 59m
Deal found 8/19![Multiple Airlines logo]()
$223
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 August 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $344 (Delta) |
One-way from | $163 (Trip.com) |
Popular in | December |
Cheapest in | February |
Average price | $501 |
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 7,457,451 searches. Data last updated August 19, 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 Ontario - LIH Lihue
ONTLIH
Ontario
Sun 1/31
7:00 am-8:22 pm
1 stop15h 22m
Lihue
Tue 2/16
10:45 pm-1:57 pm
1 stop13h 12m
$388
Quickest round-trip
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Thu 10/8
6:07 am-11:29 am
1 stop8h 22m
Lihue
Mon 10/12
11:00 pm-10:23 am
1 stop8h 23m
$424
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Sat 1/16
9:00 am-9:30 pm
1 stop14h 30m
Lihue
Tue 1/19
7:10 pm-9:25 am
2 stops12h 15m
$442
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Tue 10/27
7:00 am-8:13 pm
1 stop16h 13m
Lihue
Wed 10/28
8:13 am-9:29 pm
1 stop10h 16m
$453
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Fri 9/11
6:14 pm-11:20 am
1 stop20h 06m
Lihue
Fri 9/18
11:25 am-9:51 am
1 stop19h 26m
$475
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Fri 9/11
11:54 am-7:10 pm
1 stop10h 16m
Lihue
Fri 9/18
9:54 pm-4:35 pm
2 stops15h 41m
$481
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Sun 11/15
6:00 am-12:31 pm
1 stop8h 31m
Lihue
Sat 11/21
11:59 pm-12:29 pm
1 stop10h 30m
$484
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Mon 9/14
11:54 am-7:10 pm
1 stop10h 16m
Lihue
Mon 9/21
9:54 pm-11:14 am
1 stop10h 20m
$492
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Thu 9/17
11:54 am-7:10 pm
1 stop10h 16m
Lihue
Wed 9/23
9:54 pm-11:14 am
1 stop10h 20m
$493
OntarioLihue
ONT Ontario - LIH Lihue
ONTLIH
Ontario
Sun 1/10
10:05 am-9:30 pm
2 stops13h 25m
Lihue
Sun 1/17
9:10 pm-11:20 am
2 stops12h 10m
$533
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, September is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $398). Flying from Ontario to Kaua'i in December is currently the most expensive (average of $1,213). 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 August 19, 2026.
Get a feel of what it's like to fly with Southwest and Alaska Airlines 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
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Overall
8.0
Comfort
8.0
Crew
8.6
Entertainment
7.5
Food
7.0
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 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
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Kaua'i by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Ontario to Kaua'i by cabin class
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 August 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Ontario to Kaua'i
Discover the top 2 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 7,457,451 searches. Data last updated August 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$329 | Average$574 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$471 | Average$588 | FlexibilityNo cancel fee | On-time63% |