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Cheap flights from Kailua-Kona to Los Angeles from $159

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kailua-Kona to Los Angeles departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kailua-Kona to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:10 pm - 3:08 pmKOA-ONT
15h 58m1 stop
Alaska Airlines Logo
11:53 am - 9:30 pmONT-KOA
11h 37m1 stop
$317Alaska Airlines
Find Deal
Sun, Jan 11 - Sat, Jan 31
Alaska Airlines Logo
8:36 am - 10:28 pmKOA-ONT
11h 52m1 stop
Alaska Airlines Logo
8:13 am - 4:00 pmONT-KOA
9h 47m1 stop
$318Alaska Airlines
Find Deal
Thu, Feb 5 - Tue, Feb 10
Alaska Airlines Logo
8:45 am - 10:44 pmKOA-ONT
11h 59m1 stop
Alaska Airlines Logo
8:45 am - 3:53 pmONT-KOA
10h 08m1 stop
$336Alaska Airlines
Find Deal
Wed, Mar 4 - Sun, Mar 8
Alaska Airlines Logo
9:10 pm - 5:03 pmKOA-ONT
17h 53m2 stops
Alaska Airlines Logo
8:13 am - 4:00 pmONT-KOA
9h 47m1 stop
$357Alaska Airlines
Find Deal
Thu, Feb 5 - Tue, Feb 10
American Airlines Logo
10:55 pm - 8:47 amKOA-ONT
7h 52m1 stop
American Airlines Logo
9:53 am - 6:51 pmONT-KOA
10h 58m1 stop
$359American Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Alaska Airlines Logo
12:30 pm - 10:15 pmKOA-ONT
7h 45m1 stop
Alaska Airlines Logo
8:45 am - 3:53 pmONT-KOA
10h 08m1 stop
$376Alaska Airlines
Find Deal
Thu, Mar 5 - Sun, Mar 8
Alaska Airlines Logo
12:00 pm - 11:48 pmKOA-ONT
8h 48m1 stop
Alaska Airlines Logo
6:00 am - 3:32 pmONT-KOA
12h 32m1 stop
$386Alaska Airlines
Find Deal
Tue, May 5 - Wed, May 6
American Airlines Logo
10:55 pm - 11:53 amKOA-ONT
10h 58m1 stop
American Airlines Logo
9:53 am - 6:51 pmONT-KOA
10h 58m1 stop
$387American Airlines
Find Deal
Tue, Dec 23 - Sat, Jan 3
Alaska Airlines Logo
8:00 am - 10:37 pmKOA-ONT
11h 37m1 stop
Alaska Airlines Logo
11:30 am - 9:41 pmONT-KOA
13h 11m1 stop
$416Alaska Airlines
Find Deal
Wed, Mar 18 - Wed, Mar 25
Alaska Airlines Logo
9:17 pm - 11:08 amKOA-ONT
10h 51m1 stop
Alaska Airlines Logo
6:14 am - 1:33 pmONT-KOA
10h 19m1 stop
$450Alaska Airlines
Find Deal
Fri, Mar 13 - Tue, Mar 17

Alaska Airlines flights from Kailua-Kona to Ontario

Our best Alaska Airlines deals on Kailua-Kona to Ontario flight tickets
Alaska Airlines
Jan 11
KOA9:10 pmKona Intl
15h 58m
1 stop
ONT3:08 pmOntario
Jan 31
ONT11:53 amOntario
11h 37m
1 stop
KOA9:30 pmKona Intl
$317
Find similar
Alaska Airlines
Feb 5
KOA8:36 amKona Intl
11h 52m
1 stop
ONT10:28 pmOntario
Feb 10
ONT8:13 amOntario
9h 47m
1 stop
KOA4:00 pmKona Intl
$318
Find similar
Alaska Airlines
Mar 4
KOA8:45 amKona Intl
11h 59m
1 stop
ONT10:44 pmOntario
Mar 8
ONT8:45 amOntario
10h 08m
1 stop
KOA3:53 pmKona Intl
$336
Find similar

Southwest flights from Kailua-Kona to Ontario

Our best Southwest deals on Kailua-Kona to Ontario flight tickets
Southwest
Feb 5
KOA8:05 amKona Intl
12h 05m
2 stops
ONT10:10 pmOntario
Feb 10
ONT7:00 amOntario
13h 10m
2 stops
KOA6:10 pmKona Intl
$459
Find similar
Southwest
Dec 23
KOA6:00 amKona Intl
13h 20m
2 stops
ONT9:20 pmOntario
Jan 3
ONT6:30 amOntario
8h 40m
1 stop
KOA1:10 pmKona Intl
$487
Find similar
Southwest
Dec 23
KOA8:00 amKona Intl
11h 20m
2 stops
ONT9:20 pmOntario
Jan 3
ONT9:55 amOntario
10h 15m
2 stops
KOA6:10 pmKona Intl
$518
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kailua-Kona 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, momondo users made 832,500 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Sun 1/11

9:10 pm-3:08 pm

1 stop15h 58m

Ontario

Sat 1/31

11:53 am-9:30 pm

1 stop11h 37m

$317

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 2/5

8:36 am-10:28 pm

1 stop11h 52m

Ontario

Tue 2/10

8:13 am-4:00 pm

1 stop9h 47m

$318

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 3/4

8:45 am-10:44 pm

1 stop11h 59m

Ontario

Sun 3/8

8:45 am-3:53 pm

1 stop10h 08m

$336

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 2/5

9:10 pm-5:03 pm

2 stops17h 53m

Ontario

Tue 2/10

8:13 am-4:00 pm

1 stop9h 47m

$357

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 12/24

10:55 pm-8:47 am

1 stop7h 52m

Ontario

Wed 12/31

9:53 am-6:51 pm

1 stop10h 58m

$359

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 3/5

12:30 pm-10:15 pm

1 stop7h 45m

Ontario

Sun 3/8

8:45 am-3:53 pm

1 stop10h 08m

$376

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Tue 5/5

12:00 pm-11:48 pm

1 stop8h 48m

Ontario

Wed 5/6

6:00 am-3:32 pm

1 stop12h 32m

$386

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Tue 12/23

10:55 pm-11:53 am

1 stop10h 58m

Ontario

Sat 1/3

9:53 am-6:51 pm

1 stop10h 58m

$387

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Wed 3/18

8:00 am-10:37 pm

1 stop11h 37m

Ontario

Wed 3/25

11:30 am-9:41 pm

1 stop13h 11m

$416

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Fri 3/13

9:17 pm-11:08 am

1 stop10h 51m

Ontario

Tue 3/17

6:14 am-1:33 pm

1 stop10h 19m

$450

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Kailua-Kona to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Thursday when prices can be found for as low as $347. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Kailua-Kona to Ontario for around $713.

What is the cheapest time of day to depart on your flight to Ontario?

In the evening is the cheapest time of day to fly from Kailua-Kona to Ontario when you can find flight prices for as low as $368. Flying to Ontario in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $662 on average. Flights to Ontario from Kailua-Kona in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

How have Kailua-Kona to Ontario flight prices changed over time?

As of November 2025, prices for Kailua-Kona to Ontario flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Kailua-Kona to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Kailua-Kona to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kailua-Kona to Ontario (KOA to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kailua-Kona to Ontario

Direct flights

None
There are no direct flights from Kailua-Kona to Ontario. There are no popular flight routes from Kailua-Kona to Ontario.
Search flight deals

  • How far is Kona Intl to Ontario by plane?

    Kona Intl and Ontario are 2544.2 mi apart from one another. 7h 01m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Kona Intl Airport to Ontario Airport?

    Prices for flights from Kona Intl Airport to Ontario Airport are updated daily.

  • How many operators does momondo search for flights from Kona Intl Airport to Ontario Airport?

  • How old do you have to be to fly from Kona Intl Airport to Ontario Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kona Intl Airport to Ontario Airport.

  • What documentation or ID do you need to fly to Ontario Airport?

    The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kailua-Kona to Ontario?

Best airlines flying from Kailua-Kona to Ontario

Compare and see reviews for airlines that fly from Kailua-Kona to Ontario with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $319Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Kailua-Kona to Ontario?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ontario from Kailua-Kona.

Can I find flights from Kailua-Kona to Ontario with flexible booking policies on momondo?

Yes. All flights to Ontario from Kailua-Kona on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kailua-Kona to Ontario?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from Kailua-Kona.

I’m not ready to book a flight from Kailua-Kona to Ontario right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Ontario from Kailua-Kona. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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