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Kaua'i

$201+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
1 adult, Economy
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Cheap 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 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$311
(Delta)

One-way from

$201
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$388
Provider with most accurate pricing for Los Angeles-Lihue flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Lihue flights.
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From Ontario to Kaua'i
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One-way flight from Ontario to Kaua'i
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Highest demand for flights based on searches. 16% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Ontario to Kaua'i

Cheapest flights from Ontario to Kaua'i
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 23, 2025.

This Delta deal was found by Cheapflights users on 2/22. 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 5/297:00 amONT - LIH
1 stop15h 00mDelta
Wed 6/49:45 pmLIH - ONT
1 stop13h 10mDelta
Deal found 2/22$311
This Southwest deal was found by Cheapflights users on 2/22. 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.
Tue 5/611:00 amONT - LIH
1 stop8h 00mSouthwest
Tue 5/1310:00 amLIH - ONT
1 stop8h 50mSouthwest
Deal found 2/22$399
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Thu 4/247:25 pmONT - LIH
1 stop22h 33mAmerican Airlines
Tue 4/299:32 pmLIH - ONT
1 stop21h 26mAmerican Airlines
Deal found 2/22$460
This United Airlines deal was found by Cheapflights users on 2/22. 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.
Wed 5/286:00 amONT - LIH
1 stop8h 17mUnited Airlines
Sat 6/710:58 pmLIH - ONT
1 stop10h 16mUnited Airlines
Deal found 2/22$471
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.
Tue 2/259:45 amONT - LIH
1 stop10h 40mAlaska Airlines
Thu 2/2712:23 pmLIH - ONT
1 stop7h 27mAlaska Airlines
Deal found 2/21$518
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/49:45 amONT - LIH
1 stop10h 05mHawaiian Airlines
Tue 3/116:45 amLIH - ONT
1 stop11h 10mHawaiian Airlines
Deal found 2/21$568

Find flights from Ontario to Kaua'i within your budget

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 23, 2025.

Fly from

Ontario

Fly to

Kaua'i

Route

Depart

Return

Price

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Wed 5/21

7:00 am-7:00 pm

1 stop15h 00m

Lihue

Wed 5/28

9:45 pm-1:55 pm

1 stop13h 10m

$321

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 5/6

11:00 am-4:00 pm

1 stop8h 00m

Lihue

Tue 5/13

10:00 am-9:50 pm

1 stop8h 50m

$399

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Thu 4/24

7:25 pm-2:58 pm

1 stop22h 33m

Lihue

Tue 4/29

9:32 pm-9:58 pm

1 stop21h 26m

$460

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 4/22

6:00 am-9:32 pm

1 stop18h 32m

Lihue

Mon 4/28

1:55 pm-11:58 pm

1 stop31h 03m

$488

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Thu 2/27

6:00 am-1:15 pm

1 stop9h 15m

Lihue

Thu 3/6

11:59 pm-9:54 am

1 stop7h 55m

$517

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 3/4

9:45 am-5:50 pm

1 stop10h 05m

Lihue

Tue 3/11

6:45 am-8:55 pm

1 stop11h 10m

$568

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Mon 4/14

7:25 pm-2:58 pm

1 stop22h 33m

Lihue

Sat 4/19

4:50 pm-8:59 am

2 stops13h 09m

$899

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 5/13

6:00 am-11:47 am

1 stop8h 47m

$201

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sat 5/17

9:50 am-4:43 pm

1 stop9h 53m

$216

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Thu 4/3

6:10 am-3:13 pm

1 stop12h 03m

$251

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Showing 1-10 of 13 results
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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.
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.

Travel insights for flights from Ontario to Kaua'i

Get recent, data-driven insights about flights from Ontario to Kaua'i including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $440). Flying from Ontario to Kaua'i in June is currently the most expensive (average of $686). 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.

What is the cheapest time of day to fly from ONT to FUS?

Find hourly flight availability from Ontario to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 23, 2025.

When flying from Ontario to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 23, 2025.
Read through reviews of airlines operating flights from Ontario to Kaua'i, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,387 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.1
Very good
4,387 reviews
Southwest
8.1
Very good
4,387 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.0
Very good
9,707 reviews
Southwest
8.1
Very good
4,387 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
8,203 reviews
Southwest
8.1
Very good
4,387 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Hawaiian Airlines
7.9
Good
2,315 reviews
Southwest
8.1
Very good
4,387 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

United Airlines
7.4
Good
8,746 reviews
Southwest
8.1
Very good
4,387 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Crew

8.7

Overall

8.1

Boarding

8.2

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

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.

  • What airport do you fly from for flights from Ontario to Kaua'i?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Kaua'i. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • What are the cheapest airlines to fly from Ontario to Kaua'i one-way?

    $201 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and American Airlines, with prices starting from $216 and $242, respectively.

  • Can I find deals for flights from Ontario to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Ontario to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kaua'i.

  • Can I find deals for business class flights from Ontario to Kaua'i?

    Yes. Cheapflights offers flight deals from Ontario to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Kaua'i (average of $440). Flying from Ontario to Kaua'i in June is currently the most expensive (average of $686). 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.

See more FAQs

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Ontario to Kaua'i

Discover the top 6 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$177Average$368FlexibilityNo cancel feeOn-time71%
DeltaCheapest$289Average$389FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$569FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$330Average$547FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$362Average$540FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$379Average$616FlexibilityNo cancel feeOn-time75%
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