What’s the top layover airport for flights from Ontario to Kailua-Kona?

Seattle (SEA) – chosen by Cheapflights users on 50% of 1-stop itineraries from Ontario to Kailua-Kona on Cheapflights.

What’s the cheapest layover airport for flights from Ontario to Kailua-Kona?

Seattle (SEA) is the most affordable 1-stop option, with an average round-trip price of $487.

What’s the fastest layover option from Ontario to Kailua-Kona?

Flights via Las Vegas (LAS) have the shortest average one-way travel time for 1-stop routes: 8h 00m.

Which airport typically offers the quickest layover for flights from Ontario to Kailua-Kona?

Flights via Las Vegas (LAS) offer the fastest connection on this route, with an average layover time of 2h 18m.

How long is the flight from Ontario to Kailua-Kona?

There are many flights that can get you from Ontario to Kailua-Kona in 9h 12m. Fly via Alaska Airlines or Delta to get the fastest option. The distance from Ontario to Kailua-Kona is about 2547 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Ontario to Kailua-Kona round-trip?

Cheapflights users have booked flights from Ontario to Kailua-Kona round-trip from $232. Other airlines that can offer you cheap pricing are Delta, from $233, and United Airlines, from $265. Hawaiian Airlines is currently priced 49% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Kailua-Kona ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. February is typically the driest time to visit Kailua-Kona when rainfall is around 1.6 in.

If weather is an important factor for your trip to Kailua-Kona, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

What are the most popular airlines that fly from Ontario to Kailua-Kona?

When booking a flight from Ontario to Kailua-Kona, you may want to consider flying on Alaska Airlines, Southwest or Delta as they are the most popular for this route.

Most accurate provider : When it comes to deals on Ontario-Kailua-Kona flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Kailua-Kona flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Kailua-Kona flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Ontario-Kailua-Kona flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kailua-Kona flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Ontario to Kailua-Kona that include hotel bookings?

Yes. In addition to deals on Ontario to Kailua-Kona flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Ontario to Kailua-Kona?

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

Can I find deals for business class flights from Ontario to Kailua-Kona?

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

$138+ Flights from Ontario to Kailua-Kona

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Find cheap flights from Ontario to Kailua-Kona 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.

Cheapflights Tip: The best prices from Ontario to Kona Intl are usually found in April or February, booked 81 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Find flight deals from Ontario to Kailua-Kona

Cheapest flights from Ontario to Kailua-Kona
Explore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Mon 12/87:00 amONT - KOA

1 stop9h 02mAlaska Airlines

Mon 12/159:10 pmKOA - ONT

1 stop12h 09mAlaska Airlines

Deal found 11/24

$450

Tue 12/167:00 amONT - KOA

1 stop9h 02mAlaska Airlines

Thu 1/89:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/24

$456

Fri 12/126:40 amONT - KOA

1 stop13h 40mDelta

Wed 12/178:43 pmKOA - ONT

1 stop12h 30mDelta

Deal found 11/24

$460

Thu 12/116:00 amONT - KOA

1 stop10h 40mAlaska Airlines

Thu 12/1811:45 amKOA - ONT

1 stop10h 29mAlaska Airlines

Deal found 11/25

$476

Fri 12/126:40 amONT - KOA

1 stop13h 40mDelta

Sun 12/218:55 pmKOA - ONT

1 stop13h 34mDelta

Deal found 11/24

$490

Fri 12/126:40 amONT - KOA

1 stop13h 40mDelta

Thu 12/188:43 pmKOA - ONT

1 stop12h 30mDelta

Deal found 11/24

$493

Wed 12/177:00 amONT - KOA

1 stop12h 05mAlaska Airlines

Wed 12/241:07 pmKOA - ONT

1 stop7h 01mAlaska Airlines

Deal found 11/24

$509

Wed 12/177:00 amONT - KOA

1 stop13h 08mAlaska Airlines

Thu 1/89:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/24

$512

Fri 12/126:00 amONT - KOA

1 stop10h 40mAlaska Airlines

Thu 12/1811:45 amKOA - ONT

1 stop10h 29mAlaska Airlines

Deal found 11/26

$527

Tue 12/212:13 pmONT - KOA

1 stop11h 17mHawaiian Airlines

Tue 12/910:00 amKOA - ONT

1 stop8h 23mHawaiian Airlines

Deal found 11/26

$528

Mon 12/156:40 amONT - KOA

1 stop13h 40mDelta

Wed 12/178:43 pmKOA - ONT

1 stop12h 30mDelta

Deal found 11/24

$530

Wed 12/318:00 amONT - KOA

1 stop10h 13mAlaska Airlines

Wed 1/79:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/26

$538

Best flights from Ontario to Kailua-Kona
Discover carefully curated flight deals from Ontario to Kailua-Kona that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

Mon 2/238:41 amONT - KOA

1 stop9h 12mAlaska Airlines

Tue 3/312:30 pmKOA - ONT

1 stop7h 45mAlaska Airlines

Deal found 11/24

$297

Thu 2/57:30 amONT - KOA

1 stop14h 27mDelta

Fri 2/68:55 pmKOA - ONT

1 stop13h 21mDelta

Deal found 11/24

$302

Mon 1/196:00 amONT - KOA

1 stop11h 51mDelta

Mon 1/268:45 pmKOA - ONT

1 stop15h 11mDelta

Deal found 11/23

$302

Sun 1/1811:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Thu 1/229:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/23

$314

Wed 1/2811:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Tue 2/39:10 pmKOA - ONT

1 stop15h 58mAlaska Airlines

Deal found 11/25

$319

Thu 1/86:00 amONT - KOA

1 stop11h 51mDelta

Mon 1/128:45 pmKOA - ONT

1 stop15h 11mDelta

Deal found 11/25

$328

Tue 2/246:14 amONT - KOA

1 stop18h 43mAlaska Airlines

Fri 3/610:17 pmKOA - ONT

1 stop23h 15mAlaska Airlines

Deal found 11/24

$322

Mon 2/236:00 amONT - KOA

1 stop11h 51mDelta

Sun 3/18:59 pmKOA - ONT

1 stop14h 55mDelta

Deal found 11/24

$331

Sat 2/218:41 amONT - KOA

1 stop10h 17mAlaska Airlines

Thu 2/266:00 amKOA - ONT

1 stop14h 15mAlaska Airlines

Deal found 11/24

$332

Wed 1/286:00 amONT - KOA

2 stops14h 47mDelta

Tue 2/39:55 pmKOA - ONT

2 stops16h 20mDelta

Deal found 11/25

$336

Wed 1/711:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Tue 1/1312:51 pmKOA - ONT

1 stop7h 37mAlaska Airlines

Deal found 11/25

$333

Tue 1/208:13 amONT - KOA

1 stop9h 47mAlaska Airlines

Mon 1/269:10 pmKOA - ONT

2 stops17h 53mAlaska Airlines

Deal found 11/23

$345

Last-minute flights from Ontario to Kailua-Kona
Discover last-minute flight deals from Ontario to Kailua-Kona. Data last updated November 26, 2025 and is based on user searches.

Tue 12/212:13 pmONT - KOA

1 stop11h 17mHawaiian Airlines

Tue 12/910:00 amKOA - ONT

1 stop8h 23mHawaiian Airlines

Deal found 11/26

$528

Mon 12/87:00 amONT - KOA

1 stop9h 02mAlaska Airlines

Mon 12/159:10 pmKOA - ONT

1 stop12h 09mAlaska Airlines

Deal found 11/24

$450

Thu 12/116:00 amONT - KOA

1 stop10h 40mAlaska Airlines

Thu 12/1811:45 amKOA - ONT

1 stop10h 29mAlaska Airlines

Deal found 11/25

$476

Fri 12/126:40 amONT - KOA

1 stop13h 40mDelta

Wed 12/178:43 pmKOA - ONT

1 stop12h 30mDelta

Deal found 11/24

$460

Fri 12/126:40 amONT - KOA

1 stop13h 40mDelta

Sun 12/218:55 pmKOA - ONT

1 stop13h 34mDelta

Deal found 11/24

$490

Fri 12/126:40 amONT - KOA

1 stop13h 40mDelta

Thu 12/188:43 pmKOA - ONT

1 stop12h 30mDelta

Deal found 11/24

$493

Fri 12/126:00 amONT - KOA

1 stop10h 40mAlaska Airlines

Thu 12/1811:45 amKOA - ONT

1 stop10h 29mAlaska Airlines

Deal found 11/26

$527

Mon 12/156:40 amONT - KOA

1 stop13h 40mDelta

Wed 12/178:43 pmKOA - ONT

1 stop12h 30mDelta

Deal found 11/24

$530

Tue 12/167:00 amONT - KOA

1 stop9h 02mAlaska Airlines

Thu 1/89:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/24

$456

Wed 12/177:00 amONT - KOA

1 stop12h 05mAlaska Airlines

Wed 12/241:07 pmKOA - ONT

1 stop7h 01mAlaska Airlines

Deal found 11/24

$509

Wed 12/177:00 amONT - KOA

1 stop13h 08mAlaska Airlines

Thu 1/89:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/24

$512

Wed 12/318:00 amONT - KOA

1 stop9h 01mAlaska Airlines

Thu 1/89:10 pmKOA - ONT

1 stop11h 49mAlaska Airlines

Deal found 11/26

$538

One-way flights from Ontario to Kailua-Kona
Search for one-way flight options from Ontario to Kailua-Kona. Find affordable one-way fares based on user searches. Data last updated November 26, 2025.

Tue 1/208:13 amONT - KOA

1 stop9h 47mAlaska Airlines

Deal found 11/23

$138

Tue 1/2711:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Deal found 11/23

$143

Tue 1/138:13 amONT - KOA

1 stop9h 47mAlaska Airlines

Deal found 11/23

$159

Thu 1/811:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Deal found 11/23

$164

Sun 1/118:13 amONT - KOA

1 stop9h 47mAlaska Airlines

Deal found 11/23

$167

Mon 1/126:00 amONT - KOA

1 stop11h 51mDelta

Deal found 11/25

$169

Sun 1/1811:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Deal found 11/23

$172

Sun 2/16:20 amONT - KOA

3 stops32h 34mMultiple Airlines

Deal found 11/25

$182

Tue 2/171:45 pmONT - KOA

1 stop9h 06mUnited Airlines

Deal found 11/23

$193

Wed 1/148:13 amONT - KOA

1 stop9h 47mAlaska Airlines

Deal found 11/26

$196

Fri 2/611:53 amONT - KOA

1 stop11h 37mAlaska Airlines

Deal found 11/23

$198

Cheap flight deals from Ontario to Kailua-Kona

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$281 (Alaska Airlines)
One-way from	$138 (Alaska Airlines)
Popular in	June
Cheapest in	April
Average price	$488

Provider with most accurate pricing for Ontario-Kona Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Ontario-Kona Intl flights.

Search Deals

From Ontario to Kona Intl

Search Deals

One-way flight from Ontario to Kona Intl

Search Deals

Highest demand for flights based on searches. 17% potential increase in price ($96 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Kailua-Kona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 2/23

8:41 am-3:53 pm

1 stop9h 12m

Kona Intl

Tue 3/3

12:30 pm-10:15 pm

1 stop7h 45m

$297

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 2/5

7:30 am-7:57 pm

1 stop14h 27m

Kona Intl

Fri 2/6

8:55 pm-12:16 pm

1 stop13h 21m

$302

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 1/19

6:00 am-3:51 pm

1 stop11h 51m

Kona Intl

Mon 1/26

8:45 pm-1:56 pm

1 stop15h 11m

$302

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sun 1/18

11:53 am-9:30 pm

1 stop11h 37m

Kona Intl

Thu 1/22

9:10 pm-10:59 am

1 stop11h 49m

$314

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 1/28

11:53 am-9:30 pm

1 stop11h 37m

Kona Intl

Tue 2/3

9:10 pm-3:08 pm

1 stop15h 58m

$319

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Tue 2/24

6:14 am-10:57 pm

1 stop18h 43m

Kona Intl

Fri 3/6

10:17 pm-11:32 pm

1 stop23h 15m

$322

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Thu 1/8

6:00 am-3:51 pm

1 stop11h 51m

Kona Intl

Mon 1/12

8:45 pm-1:56 pm

1 stop15h 11m

$328

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Mon 2/23

6:00 am-3:51 pm

1 stop11h 51m

Kona Intl

Sun 3/1

8:59 pm-1:54 pm

1 stop14h 55m

$331

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Sat 2/21

8:41 am-4:58 pm

1 stop10h 17m

Kona Intl

Thu 2/26

6:00 am-10:15 pm

1 stop14h 15m

$332

OntarioKailua-Kona

ONT - KOA

ONTKOA

Ontario

Wed 1/7

11:53 am-9:30 pm

1 stop11h 37m

Kona Intl

Tue 1/13

12:51 pm-10:28 pm

1 stop7h 37m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 21 results

Compare providers for flights from Ontario to Kailua-Kona

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kailua-Kona in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Ontario-Kailua-Kona flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Kailua-Kona flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Ontario-Kailua-Kona flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Ontario-Kailua-Kona flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Kailua-Kona flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Ontario to Kailua-Kona

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Kailua-Kona

Prices

How far ahead should I book a flight from Ontario to Kailua-Kona?

To ensure you get the cheapest price possible for a flight from Ontario to Kailua-Kona, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Ontario to Kailua-Kona?

Currently, May is the cheapest month in which you can book a flight from Ontario to Kailua-Kona (average of $149). Flying from Ontario to Kailua-Kona in June is currently the most expensive (average of $251). 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 KOA?

When flying from Ontario to Kailua-Kona, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 77% versus a flight at noon.

Reviews of airlines servicing Kailua-Kona

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Ontario to Kailua-Kona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Alaska Airlines

8.0

Very good

11,354 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Southwest

8.0

Very good

4,254 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Delta

7.9

Good

7,998 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Hawaiian Airlines

7.8

Good

2,814 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

United Airlines

7.4

Good

9,046 reviews

Alaska Airlines

8.0

Very good

11,354 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Nov 2025

LAX - LIH

The staff were exceptional! They all were kind, accommodating, and professional.

Related info for your journey

How long is the flight from Ontario to Kailua-Kona?
There are many flights that can get you from Ontario to Kailua-Kona in 9h 12m. Fly via Alaska Airlines or Delta to get the fastest option. The distance from Ontario to Kailua-Kona is about 2547 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from Ontario to Kailua-Kona round-trip?
Cheapflights users have booked flights from Ontario to Kailua-Kona round-trip from $232. Other airlines that can offer you cheap pricing are Delta, from $233, and United Airlines, from $265. Hawaiian Airlines is currently priced 49% below the average price you’ll pay for this route.
Can I find deals for flights from Ontario to Kailua-Kona that include hotel bookings?
Yes. In addition to deals on Ontario to Kailua-Kona flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to Kailua-Kona?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Kailua-Kona.
Can I find deals for business class flights from Ontario to Kailua-Kona?
Yes. Cheapflights offers flight deals from Ontario to Kailua-Kona 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 Kailua-Kona?
Currently, May is the cheapest month in which you can book a flight from Ontario to Kailua-Kona (average of $149). Flying from Ontario to Kailua-Kona in June is currently the most expensive (average of $251). 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

Browse thousands of different options on Cheapflights for your next trip

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Other flights to Kailua-Kona

Top 6 airlines flying from Ontario to Kailua-Kona

Airline	Cheapest	Average	Flexibility	On-time
Hawaiian Airlines	Cheapest$232	Average$375	FlexibilityNo cancel fee	On-time85%
Delta	Cheapest$233	Average$376	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$265	Average$398	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$277	Average$536	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$308	Average$504	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$332	Average$491	FlexibilityNo cancel fee	On-time75%

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$138+ Cheap flights from Ontario to Kailua-Kona (ONT - KOA)

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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Ontario to Kailua-Kona with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Ontario to Kona Intl are usually found in April or February, booked 81 days in advance, depart on a Sunday or Wednesday and return on a Wednesday

Find flight deals from Ontario to Kailua-Kona

Cheapest flights from Ontario to Kailua-KonaExplore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Explore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Cheap flight deals from Ontario to Kailua-Kona

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ontario to Kailua-Kona that are best for you.

Compare providers for flights from Ontario to Kailua-Kona

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Kailua-Kona in November.

Best time to book a flight from Ontario to Kailua-Kona

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Everything you need to know about your flight from Ontario to Kailua-Kona

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Reviews of airlines servicing Kailua-Kona

Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Ontario to Kailua-Kona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Kailua-Kona. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from Ontario to Kailua-Kona?

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Can I find deals for business class flights from Ontario to Kailua-Kona?

What is the cheapest month to book a flight from Ontario to Kailua-Kona?

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Alternative routes for Ontario to Kailua-Kona

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Top 6 airlines flying from Ontario to Kailua-Kona

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Cheapest flights from Ontario to Kailua-Kona
Explore the most affordable flight options available from Ontario to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.