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Kaua'i

$144+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LIH
Jan 27 — Feb 31
Mon 1/27
Mon 2/3
1 adult, Economy
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Cheap flight deals from Ontario to Kaua'i

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Kaua'i (zzFUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2025.

Round-trip from

$294
(Delta)

One-way from

$144
(Delta)
From Ontario to Kaua'i
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One-way flight from Ontario to Kaua'i
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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 January 22, 2025.

This Delta deal was found by Cheapflights users on 1/22. 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.
Wed 5/77:00 amONT - LIH
1 stop15h 26mDelta
Mon 5/129:45 pmLIH - ONT
1 stop12h 28mDelta
Deal found 1/22$273
This American Airlines deal was found by Cheapflights users on 1/22. 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.
Wed 3/56:13 amONT - LIH
1 stop11h 49mAmerican Airlines
Mon 3/109:00 pmLIH - ONT
1 stop8h 47mAmerican Airlines
Deal found 1/22$374
This Alaska Airlines deal was found by Cheapflights users on 1/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/79:45 amONT - LIH
1 stop8h 43mAlaska Airlines
Mon 3/108:20 amLIH - ONT
1 stop9h 35mAlaska Airlines
Deal found 1/22$382
This United Airlines deal was found by Cheapflights users on 1/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/261:36 pmONT - LIH
1 stop9h 19mUnited Airlines
Sun 6/110:58 pmLIH - ONT
1 stop10h 36mUnited Airlines
Deal found 1/21$491
This Southwest deal was found by Cheapflights users on 1/22. 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.
Mon 5/510:55 amONT - LIH
2 stops10h 15mSouthwest
Mon 5/128:15 amLIH - ONT
2 stops10h 45mSouthwest
Deal found 1/22$566
This Mytrip deal was found by Cheapflights users on 1/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/239:45 amONT - LIH
1 stop9h 22mHawaiian Airlines
Tue 3/46:00 amLIH - ONT
1 stop13h 50mHawaiian Airlines
Deal found 1/22$626

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 January 22, 2025.

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OntarioLihue

ONT - LIH

ONTLIH

Ontario

Wed 5/7

7:00 am-7:26 pm

1 stop15h 26m

Lihue

Mon 5/12

9:45 pm-1:13 pm

1 stop12h 28m

$273

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Wed 3/5

6:13 am-4:02 pm

1 stop11h 49m

Lihue

Mon 3/10

9:00 pm-8:47 am

1 stop8h 47m

$374

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 3/4

9:45 am-6:16 pm

1 stop10h 31m

Lihue

Tue 3/11

10:35 am-8:55 pm

1 stop7h 20m

$383

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Mon 5/26

1:36 pm-7:55 pm

1 stop9h 19m

Lihue

Wed 6/4

10:58 pm-12:34 pm

1 stop10h 36m

$469

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Thu 3/6

9:45 am-5:50 pm

1 stop10h 05m

Lihue

Tue 3/11

6:00 am-8:55 pm

1 stop11h 55m

$516

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sun 5/4

6:45 am-4:00 pm

1 stop12h 15m

Lihue

Sat 5/10

8:30 am-9:00 pm

1 stop9h 30m

$562

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Mon 3/3

6:00 am-6:22 pm

1 stop14h 22m

$144

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sun 3/2

9:45 am-5:50 pm

1 stop10h 05m

$169

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Sun 2/23

6:00 am-1:15 pm

1 stop9h 15m

$194

OntarioLihue

ONT - LIH

ONTLIH

Ontario

Tue 3/4

9:45 am-5:02 pm

1 stop9h 17m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 11 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 $687). 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 January 22, 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 January 22, 2025.
Read through reviews of airlines operating flights from Ontario to Kaua'i, such as Delta, Alaska Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

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
4,654 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

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
4,654 reviews

Entertainment

7.7

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

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
8,512 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

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
2,332 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

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
8,975 reviews
Southwest
8.1
Very good
4,654 reviews

Entertainment

7.7

Boarding

8.2

Food

7.2

Comfort

8.1

Crew

8.7

Overall

8.1

Reviews

1 / 10

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?

    $144 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on Alaska Airlines and United Airlines, with prices starting from $191 and $194, 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 $687). 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.

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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 January 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$230Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$289Average$383FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$314Average$569FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$330Average$556FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$362Average$540FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$379Average$526FlexibilityNo cancel feeOn-time75%
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