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$151+ Cheap flights from Kaua'i to Ontario (ONT)

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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Kaua'i to Ontario

Keep the following information in mind while searching for Kaua'i to Ontario flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$419
(Delta)

One-way from

$151
(Delta)

Popular in

June

Cheapest in

February

Average price

$267
Provider with most accurate pricing for Lihue-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Lihue-Los Angeles flights.
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From Kaua'i to Ontario
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One-way flight from Kaua'i to Ontario
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Highest demand for flights based on searches. 16% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 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 Kaua'i to Ontario

Cheapest flights from Kaua'i to Ontario
Explore the most affordable flight options available from Kaua'i to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

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.
Tue 12/910:45 pmLIH - ONT
1 stop12h 38mDelta
Tue 1/67:00 amONT - LIH
1 stop15h 31mDelta
Deal found 2/19$321
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/279:00 pmLIH - ONT
1 stop8h 47mAmerican Airlines
Wed 4/26:10 amONT - LIH
1 stop12h 03mAmerican Airlines
Deal found 2/19$495
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.
Thu 2/2710:43 amLIH - ONT
1 stop9h 07mAlaska Airlines
Thu 3/69:45 amONT - LIH
1 stop10h 31mAlaska Airlines
Deal found 2/20$518
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/89:40 amLIH - ONT
1 stop8h 00mSouthwest
Sat 3/1511:05 amONT - LIH
2 stops9h 50mSouthwest
Deal found 2/19$537
This Hawaiian 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2710:43 amLIH - ONT
1 stop9h 07mHawaiian Airlines
Mon 3/39:45 amONT - LIH
1 stop8h 43mHawaiian Airlines
Deal found 2/20$627
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.
Fri 7/1811:10 pmLIH - ONT
1 stop10h 12mUnited Airlines
Mon 7/211:28 pmONT - LIH
1 stop9h 30mUnited Airlines
Deal found 2/18$640
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.
Wed 3/54:59 pmLIH - ONT
3 stops14h 55mMultiple Airlines
Wed 3/1210:38 amONT - LIH
2 stops13h 08mMultiple Airlines
Deal found 2/19$1,338

Find flights from Kaua'i to Ontario within your budget

Customize your flight search to find flights from Kaua'i to Ontario 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 20, 2025.

Fly from

Kaua'i

Fly to

Ontario

Route

Depart

Return

Price

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 3/5

10:51 pm-3:25 pm

1 stop14h 34m

Ontario

Wed 3/12

11:42 am-6:50 pm

1 stop10h 08m

$419

LihueOntario

LIH - ONT

LIHONT

Lihue

Thu 3/27

9:00 pm-8:47 am

1 stop8h 47m

Ontario

Wed 4/2

6:10 am-3:13 pm

1 stop12h 03m

$495

LihueOntario

LIH - ONT

LIHONT

Lihue

Sat 3/8

9:40 am-7:40 pm

1 stop8h 00m

Ontario

Sat 3/15

11:05 am-5:55 pm

2 stops9h 50m

$537

LihueOntario

LIH - ONT

LIHONT

Lihue

Fri 7/18

11:10 pm-12:22 pm

1 stop10h 12m

Ontario

Mon 7/21

1:28 pm-7:58 pm

1 stop9h 30m

$640

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 4/16

10:30 pm-10:39 am

1 stop9h 09m

Ontario

Wed 4/23

11:46 am-9:32 pm

1 stop12h 46m

$662

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 3/26

6:00 am-8:55 pm

1 stop11h 55m

Ontario

Sun 3/30

8:50 am-4:42 pm

1 stop10h 52m

$868

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 3/5

4:59 pm-9:54 am

3 stops14h 55m

Ontario

Wed 3/12

10:38 am-8:46 pm

2 stops13h 08m

$1,338

LihueOntario

LIH - ONT

LIHONT

Lihue

Thu 5/1

8:15 pm-11:05 am

1 stop11h 50m

$151

LihueOntario

LIH - ONT

LIHONT

Lihue

Tue 4/22

1:55 pm-3:32 pm

2 stops22h 37m

$194

LihueOntario

LIH - ONT

LIHONT

Lihue

Wed 4/16

9:32 pm-8:59 am

1 stop8h 27m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 14 results
1
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Best time to book a flight from Kaua'i to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Kaua'i 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 Kaua'i to Ontario

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

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

Currently, August is the cheapest month in which you can book a flight from Kaua'i to Ontario (average of $246). Flying from Kaua'i to Ontario in March is currently the most expensive (average of $315). 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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated February 20, 2025.
To help decide which airline to fly from Kaua'i to Ontario, see what other customers have to say about Southwest, Alaska Airlines and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Entertainment

7.6

Boarding

8.2

Food

7.1

Comfort

8.1

Overall

8.1

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Ontario. 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 into for flights to Ontario from Kaua'i?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from Kaua'i. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $151. Alaska Airlines flights start at $194 while deals on American Airlines start at $201 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kaua'i to Ontario 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 Kaua'i to Ontario?

    Currently, August is the cheapest month in which you can book a flight from Kaua'i to Ontario (average of $246). Flying from Kaua'i to Ontario in March is currently the most expensive (average of $315). 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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Top airline flying from Kaua'i to Ontario

Discover the top airline that operate flights from Kaua'i to Ontario. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$364Average$510FlexibilityNo cancel feeOn-time85%
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