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Cheap flights from Kailua-Kona to Los Angeles from $172

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 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Kailua-Kona to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 10:10 pm
KOA
-
ONT
13h 10m
1 stop
Multiple Airlines Logo
9:31 am - 7:32 pm
ONT
-
KOA
13h 01m
1 stop
$357Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
6:30 pm - 10:10 pm
KOA
-
ONT
24h 40m
1 stop
Multiple Airlines Logo
9:31 am - 7:32 pm
ONT
-
KOA
13h 01m
1 stop
$358Multiple Airlines
Mon, Aug 24 - Mon, Aug 31
Multiple Airlines Logo
11:34 am - 10:10 pm
KOA
-
ONT
7h 36m
1 stop
Multiple Airlines Logo
12:00 pm - 7:25 pm
ONT
-
KOA
10h 25m
1 stop
$383Multiple Airlines
Thu, Aug 20 - Wed, Aug 26
Southwest Logo
6:05 am - 8:10 pm
KOA
-
ONT
11h 05m
1 stop
Southwest Logo
6:10 am - 12:25 pm
ONT
-
KOA
9h 15m
1 stop
$390Southwest
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
8:03 am - 8:30 pm
KOA
-
ONT
9h 27m
1 stop
Multiple Airlines Logo
9:31 am - 6:17 pm
ONT
-
KOA
11h 46m
1 stop
$401Multiple Airlines
Mon, Aug 17 - Mon, Aug 31
Multiple Airlines Logo
6:00 am - 10:10 pm
KOA
-
ONT
13h 10m
1 stop
Multiple Airlines Logo
9:31 am - 4:29 pm
ONT
-
KOA
9h 58m
2 stops
$416Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
Multiple Airlines Logo
10:51 am - 10:10 pm
KOA
-
ONT
8h 19m
1 stop
Multiple Airlines Logo
9:31 am - 9:50 pm
ONT
-
KOA
15h 19m
1 stop
$419Multiple Airlines
Thu, Aug 27 - Mon, Aug 31
United Airlines Logo
7:00 am - 5:54 pm
KOA
-
ONT
7h 54m
1 stop
United Airlines Logo
6:00 am - 10:40 am
ONT
-
KOA
7h 40m
1 stop
$420United Airlines
Thu, Aug 6 - Sun, Aug 9
Multiple Airlines Logo
11:34 am - 10:10 pm
KOA
-
ONT
7h 36m
1 stop
Multiple Airlines Logo
6:14 pm - 11:06 am
ONT
-
KOA
19h 52m
1 stop
$424Multiple Airlines
Thu, Sep 17 - Mon, Sep 21
Southwest Logo
8:00 am - 8:10 pm
KOA
-
ONT
9h 10m
1 stop
Southwest Logo
5:40 am - 2:10 pm
ONT
-
KOA
11h 30m
2 stops
$425Southwest
Thu, Sep 10 - Thu, Sep 17

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United Airlines flights from Kailua-Kona to Ontario

Our best United Airlines deals on Kailua-Kona to Ontario flight tickets
United Airlines
Aug 6
KOA7:00 amKona Intl
7h 54m
1 stop
ONT5:54 pmOntario
Aug 9
ONT6:00 amOntario
7h 40m
1 stop
KOA10:40 amKona Intl
$420
United Airlines
Sep 3
KOA12:04 pmKona Intl
7h 55m
1 stop
ONT10:59 pmOntario
Sep 9
ONT1:56 pmOntario
8h 39m
1 stop
KOA7:35 pmKona Intl
$455
United Airlines
Sep 10
KOA12:04 pmKona Intl
7h 47m
1 stop
ONT10:51 pmOntario
Sep 17
ONT6:08 amOntario
7h 41m
1 stop
KOA10:49 amKona Intl
$504

Southwest flights from Kailua-Kona to Ontario

Our best Southwest deals on Kailua-Kona to Ontario flight tickets
Southwest
Sep 10
KOA6:05 amKona Intl
11h 05m
1 stop
ONT8:10 pmOntario
Sep 17
ONT6:10 amOntario
9h 15m
1 stop
KOA12:25 pmKona Intl
$390
Southwest
Sep 10
KOA8:00 amKona Intl
9h 10m
1 stop
ONT8:10 pmOntario
Sep 17
ONT5:40 amOntario
11h 30m
2 stops
KOA2:10 pmKona Intl
$425
Southwest
Aug 16
KOA8:35 pmKona Intl
10h 20m
1 stop
ONT9:55 amOntario
Aug 23
ONT7:15 amOntario
8h 00m
1 stop
KOA12:15 pmKona Intl
$434

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 July 12, 2026.
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

Cheapest round-trip

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 8/27

6:00 am-10:10 pm

1 stop13h 10m

Ontario

Mon 8/31

9:31 am-7:32 pm

1 stop13h 01m

$357

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 8/24

6:30 pm-10:10 pm

1 stop24h 40m

Ontario

Mon 8/31

9:31 am-7:32 pm

1 stop13h 01m

$358

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 8/20

11:34 am-10:10 pm

1 stop7h 36m

Ontario

Wed 8/26

12:00 pm-7:25 pm

1 stop10h 25m

$383

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 9/10

6:05 am-8:10 pm

1 stop11h 05m

Ontario

Thu 9/17

6:10 am-12:25 pm

1 stop9h 15m

$390

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Mon 8/17

8:03 am-8:30 pm

1 stop9h 27m

Ontario

Mon 8/31

9:31 am-6:17 pm

1 stop11h 46m

$401

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 8/27

6:00 am-10:10 pm

1 stop13h 10m

Ontario

Mon 8/31

9:31 am-4:29 pm

2 stops9h 58m

$416

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 8/27

10:51 am-10:10 pm

1 stop8h 19m

Ontario

Mon 8/31

9:31 am-9:50 pm

1 stop15h 19m

$419
Quickest round-trip

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 8/6

7:00 am-5:54 pm

1 stop7h 54m

Ontario

Sun 8/9

6:00 am-10:40 am

1 stop7h 40m

$420

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 9/17

11:34 am-10:10 pm

1 stop7h 36m

Ontario

Mon 9/21

6:14 pm-11:06 am

1 stop19h 52m

$424

Kailua-KonaOntario

KOA - ONT

KOAONT

Kona Intl

Thu 9/10

8:00 am-8:10 pm

1 stop9h 10m

Ontario

Thu 9/17

5:40 am-2:10 pm

2 stops11h 30m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

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

As of July 2026, prices for Kailua-Kona to Ontario flights are approximately 4% more expensive 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

Fastest flight time

7h 54m

Direct flights

None
The fastest flight from Kailua-Kona to Ontario takes 7h 54m
There are no direct flights from Kailua-Kona to Ontario. There are no popular flight routes from Kailua-Kona to Ontario.
Search flight deals

Frequently asked questions about flying from Kailua-Kona to Ontario

  • How far is Kona Intl to Ontario by plane?

    Kona Intl and Ontario are 2544.2 mi apart from one another. 7h 54m 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 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.

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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