Which airports can I use when flying from Ontario to Kailua-Kona?

Flights from Ontario to Kailua-Kona usually depart from Ontario (ONT) and arrive at Kona Intl (KOA).

What cabin classes can I book on flights from Ontario to Kailua-Kona?

Two cabin classes are available on flights from Ontario to Kailua-Kona: • Economy Class • First Class

Which airports do connecting flights from Ontario to Kailua-Kona pass through?

One-stop flights from Ontario to Kailua-Kona most commonly connect through: • San Francisco (SFO) - 42% of one-stop connections • Honolulu (HNL) - 30% of one-stop connections • Sacramento Intl (SMF) - 17% of one-stop connections • Seattle/Tacoma Intl (SEA) - 12% of one-stop connections

Can I save money by using flexible dates for flights from Ontario to Kailua-Kona?

Yes. Flexible dates can save you up to 23% on flights from Ontario to Kailua-Kona. Thursday is the cheapest departure day at $453 round-trip on average, while Sunday is the most expensive at $585, a difference of $132. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

A nonstop flight from Ontario to Kailua-Kona takes 00m, covering 2,547 miles.

Do I need a passport to fly from Ontario to Kailua-Kona?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Ontario to Kailua-Kona changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $342 to $3,321. That means the highest observed fare was about 10x higher than the lowest one.

How are flight prices from Ontario to Kailua-Kona looking right now?

One-way fares from Ontario to Kailua-Kona are currently in line with typical prices for this route. Average one-way fares are about $267.

How much time can I save by choosing a different layover airport from Ontario to Kailua-Kona?

Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 8h 06m, compared with 8h 40m via San Francisco (SFO) and 8h 52m via Honolulu (HNL).

What is the time difference between Ontario and Kailua-Kona?

Kailua-Kona is 3 hours behind Ontario (Hawaii-Aleutian Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Kona Intl Airport (KOA)?

Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include: • Dollar • Thrifty • Budget • Hertz • Sixt

How much should I expect to pay for a Ontario to Kailua-Kona flight?

Round-trip flights from Ontario to Kailua-Kona range from $428 to $597, with an average of $493 over the past 12 months. Anything below $428 counts as a good deal.

What's the cheapest day of the week to fly from Ontario to Kailua-Kona?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Ontario to Kailua-Kona. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 18% higher.

What’s the cheapest month to fly from Ontario to Kailua-Kona?

•November is the cheapest month to fly from Ontario to Kailua-Kona at $395 round-trip. •June ($621) and September ($591) are the most expensive months. •The price difference between flying in the cheapest and most expensive months is 57% on average. This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Which airline is the cheapest to fly from Ontario to Kailua-Kona?

Alaska Airlines ($352) and Southwest ($359) are the cheapest airlines to fly round-trip from Ontario to Kailua-Kona according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from Ontario to Kailua-Kona?

San Francisco (SFO) is the most popular layover for the Ontario to Kailua-Kona route. 42% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via SFO.

What is the cheapest layover airport when flying from Ontario to Kailua-Kona?

Flights via Seattle/Tacoma Intl (SEA) offer the most affordable fares, with an average round-trip price of $483. Based on KAYAK data over the past 3 months.

When flying from Ontario to Kailua-Kona which airport offers the shortest layover?

Sacramento Intl (SMF) had the shortest average connection time for Ontario to Kailua-Kona layovers at 4h 50m over the past 3 months.

$222 CHEAP FLIGHTS from Ontario to Kailua-Kona (ONT - KOA)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$342

Typical prices: $428-$597

Alaska Airlines

Wed 1/10Sat 1/13

ONT - KOA • 1 stop

Cheapest one-way

$221

Typical prices: $256-$327

Multiple Airlines

Sat 11/10

ONT - KOA • 1 stop

Nonstop flights

Not available

There are currently no direct flights between Ontario and Kailua-Kona. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

November

Cheapest • 20% price drop

June

Most popular

Good to know

Top layover airports

Seattle/Tacoma Intl (SEA)

Cheapest • Avg $483 (round-trip)

Sacramento Intl (SMF)

Shortest trip • 8h 06m (one-way)

Insights

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Kailua-Kona!

Cheap Flights from Ontario to Kailua-Kona (ONT-KOA)

Cheap flights from Ontario to Kailua-Kona with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Sun, Jan 10 - Wed, Jan 13

7:00 am - 5:22 pmONT Ontario-KOA Kona Intl

12h 22m1 stop Seattle/Tacoma Intl

6:00 am - 9:18 pmKOA Kona Intl-ONT Ontario

13h 18m1 stop Honolulu

$342Multiple Airlines

Wed, Jan 6 - Wed, Jan 13

11:36 am - 10:29 pmONT Ontario-KOA Kona Intl

12h 53m1 stop Seattle/Tacoma Intl

7:30 am - 9:18 pmKOA Kona Intl-ONT Ontario

11h 48m1 stop Honolulu

$342Multiple Airlines

Wed, Jan 6 - Mon, Jan 11

11:36 am - 10:29 pmONT Ontario-KOA Kona Intl

12h 53m1 stop Seattle/Tacoma Intl

11:29 pm - 10:38 amKOA Kona Intl-ONT Ontario

9h 09m1 stop Seattle/Tacoma Intl

$352Alaska Airlines

Sun, Jan 10 - Mon, Jan 11

7:00 am - 5:22 pmONT Ontario-KOA Kona Intl

12h 22m1 stop Seattle/Tacoma Intl

11:29 pm - 10:38 amKOA Kona Intl-ONT Ontario

9h 09m1 stop Seattle/Tacoma Intl

$352Alaska Airlines

Mon, Nov 16 - Mon, Nov 23

6:25 am - 12:55 pmONT Ontario-KOA Kona Intl

8h 30m1 stop Sacramento Intl

8:00 am - 10:10 pmKOA Kona Intl-ONT Ontario

12h 10m1 stop Honolulu

$359Southwest

Mon, Feb 22 - Tue, Mar 2

6:00 am - 3:00 pmONT Ontario-KOA Kona Intl

11h 00m1 stop Salt Lake City

10:45 pm - 1:57 pmKOA Kona Intl-ONT Ontario

13h 12m1 stop Seattle/Tacoma Intl

$389Delta

Mon, Nov 16 - Mon, Nov 23

6:25 am - 12:55 pmONT Ontario-KOA Kona Intl

8h 30m1 stop Sacramento Intl

6:00 am - 6:10 pmKOA Kona Intl-ONT Ontario

10h 10m2 stops Honolulu San Jose

$413Southwest

Mon, Feb 22 - Wed, Mar 3

6:00 am - 3:00 pmONT Ontario-KOA Kona Intl

11h 00m1 stop Salt Lake City

10:45 pm - 11:48 pmKOA Kona Intl-ONT Ontario

23h 03m2 stops Seattle/Tacoma Intl Salt Lake City

$438Delta

Wed, Nov 11 - Wed, Nov 18

6:00 am - 11:49 amONT Ontario-KOA Kona Intl

7h 49m1 stop San Francisco

11:59 pm - 12:29 pmKOA Kona Intl-ONT Ontario

10h 30m1 stop San Francisco

$450United Airlines

Thu, Dec 3 - Tue, Dec 8

6:00 am - 11:50 amONT Ontario-KOA Kona Intl

7h 50m1 stop San Francisco

11:55 pm - 9:38 amKOA Kona Intl-ONT Ontario

7h 43m1 stop San Francisco

$640United Airlines

Tue, Oct 20 - Tue, Oct 27

7:00 am - 12:16 pmONT Ontario-KOA Kona Intl

8h 16m1 stop Honolulu

10:21 pm - 1:16 pmKOA Kona Intl-ONT Ontario

11h 55m1 stop Seattle/Tacoma Intl

$584Multiple Airlines

Wed, Oct 21 - Wed, Oct 28

7:00 am - 12:41 pmONT Ontario-KOA Kona Intl

8h 41m1 stop Honolulu

10:21 pm - 1:16 pmKOA Kona Intl-ONT Ontario

11h 55m1 stop Seattle/Tacoma Intl

$594Multiple Airlines

Sat, Oct 24 - Thu, Oct 29

8:00 am - 6:10 pmONT Ontario-KOA Kona Intl

13h 10m1 stop Honolulu

8:35 pm - 10:20 amKOA Kona Intl-ONT Ontario

10h 45m1 stop Las Vegas Harry Reid Intl

$604Southwest

Thu, Oct 22 - Mon, Oct 26

7:00 am - 11:43 amONT Ontario-KOA Kona Intl

7h 43m1 stop Honolulu

10:21 pm - 1:16 pmKOA Kona Intl-ONT Ontario

11h 55m1 stop Seattle/Tacoma Intl

$604Multiple Airlines

Sat, Oct 24 - Thu, Oct 29

8:00 am - 6:10 pmONT Ontario-KOA Kona Intl

13h 10m1 stop Honolulu

8:35 pm - 11:15 amKOA Kona Intl-ONT Ontario

11h 40m2 stops Las Vegas Harry Reid Intl Sacramento Intl

$609Southwest

Sat, Oct 24 - Thu, Oct 29

11:30 am - 6:10 pmONT Ontario-KOA Kona Intl

9h 40m2 stops San Jose Honolulu

8:35 pm - 11:25 amKOA Kona Intl-ONT Ontario

11h 50m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

$619Southwest

Wed, Oct 21 - Wed, Oct 28

2:13 pm - 9:05 pmONT Ontario-KOA Kona Intl

9h 52m1 stop Seattle/Tacoma Intl

10:21 pm - 1:16 pmKOA Kona Intl-ONT Ontario

11h 55m1 stop Seattle/Tacoma Intl

$641Alaska Airlines

Thu, Oct 22 - Mon, Nov 16

6:07 am - 10:43 amONT Ontario-KOA Kona Intl

7h 36m1 stop San Francisco

1:04 pm - 10:48 pmKOA Kona Intl-ONT Ontario

7h 44m1 stop San Francisco

$679United Airlines

Thu, Oct 22 - Thu, Oct 29

4:03 pm - 9:27 pmONT Ontario-KOA Kona Intl

8h 24m1 stop San Francisco

12:04 pm - 10:48 pmKOA Kona Intl-ONT Ontario

7h 44m1 stop San Francisco

$718United Airlines

Wed, Oct 21 - Sat, Oct 24

11:13 am - 9:05 pmONT Ontario-KOA Kona Intl

12h 52m1 stop Seattle/Tacoma Intl

10:21 pm - 1:16 pmKOA Kona Intl-ONT Ontario

11h 55m1 stop Seattle/Tacoma Intl

$735Alaska Airlines

Price, demand and travel trends for Ontario to Kailua-Kona flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from Ontario to Kailua-Kona?: Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Ontario to Kailua-Kona. It’s 9% cheaper than the average day, while Sunday is the most expensive, with prices 18% higher.
What’s the cheapest month to fly from Ontario to Kailua-Kona? KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Ontario to Kailua-Kona, removes the top 0.1% to account for outliers and then takes the median of all values for each month.: •November is the cheapest month to fly from Ontario to Kailua-Kona at $395 round-trip.
•June ($621) and September ($591) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 57% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Low season	October
High season	June
Cheapest flight	$221

Beat the crowds with an average 57% drop in travelers.

The most popular month to fly with an average 64% increase in travelers.

One-way flight from Ontario to Kailua-Kona

When to book flights from Ontario to Kailua-Kona

Are your dates flexible? Find out the best times to travel from Ontario to Kailua-Kona based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Ontario to Kailua-Kona?
Two cabin classes are available on flights from Ontario to Kailua-Kona:

• Economy Class
• First Class
How long is a flight from Ontario to Kailua-Kona?
A nonstop flight from Ontario to Kailua-Kona takes 00m, covering 2,547 miles.
Do I need a passport to fly from Ontario to Kailua-Kona?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Ontario to Kailua-Kona flight?
Round-trip flights from Ontario to Kailua-Kona range from $428 to $597, with an average of $493 over the past 12 months. Anything below $428 counts as a good deal.
Have flight prices from Ontario to Kailua-Kona changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $342 to $3,321. That means the highest observed fare was about 10x higher than the lowest one.
How are flight prices from Ontario to Kailua-Kona looking right now?
One-way fares from Ontario to Kailua-Kona are currently in line with typical prices for this route. Average one-way fares are about $267.
What car rental options are available at Kona Intl Airport (KOA)?
Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates starting from around $29 for economy cars. Top options include:

• Dollar
• Thrifty
• Budget
• Hertz
• Sixt
Which airports can I use when flying from Ontario to Kailua-Kona?
Flights from Ontario to Kailua-Kona usually depart from Ontario (ONT) and arrive at Kona Intl (KOA).
Which airports do connecting flights from Ontario to Kailua-Kona pass through?
One-stop flights from Ontario to Kailua-Kona most commonly connect through:

• San Francisco (SFO) - 42% of one-stop connections
• Honolulu (HNL) - 30% of one-stop connections
• Sacramento Intl (SMF) - 17% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 12% of one-stop connections
Can I save money by using flexible dates for flights from Ontario to Kailua-Kona?
Yes. Flexible dates can save you up to 23% on flights from Ontario to Kailua-Kona. Thursday is the cheapest departure day at $453 round-trip on average, while Sunday is the most expensive at $585, a difference of $132.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Ontario to Kailua-Kona?
Flying via Sacramento Intl (SMF) gives the shortest average 1-stop total travel time at 8h 06m, compared with 8h 40m via San Francisco (SFO) and 8h 52m via Honolulu (HNL).
What is the time difference between Ontario and Kailua-Kona?
Kailua-Kona is 3 hours behind Ontario (Hawaii-Aleutian Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $453, about $132 less than Sunday fares (23% savings) based on the last 12 months.
If you can choose when to travel, plan your Ontario to Kailua-Kona trip for November. Fares historically average $395 round-trip in that month - typically $226 less than the most expensive month, which is June (based on the last 12 months).

More options for your flight from Ontario to Kailua-Kona

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Kailua-Kona with a hotel stay or car rental

Car rentals in Kailua-Kona

Hotels in Kailua-Kona

Vacations in Kailua-Kona

ONT - KOA

$222 Find Cheap Flights from Ontario to Kailua-Kona - Compare and Save

Everything you should know

Cheap Flights from Ontario to Kailua-Kona (ONT-KOA)

Cheap flights from Ontario to Kailua-Kona with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Price, demand and travel trends for Ontario to Kailua-Kona flights

What's the cheapest day of the week to fly from Ontario to Kailua-Kona?

What’s the cheapest month to fly from Ontario to Kailua-Kona?

Which airline is the cheapest to fly from Ontario to Kailua-Kona?

What’s the most popular layover airport when flying from Ontario to Kailua-Kona?

What is the cheapest layover airport when flying from Ontario to Kailua-Kona?

When flying from Ontario to Kailua-Kona which airport offers the shortest layover?

Key details for Ontario to Kailua-Kona flights

Low season

High season

Cheapest flight

When to book flights from Ontario to Kailua-Kona

Your Ontario to Kailua-Kona flight questions, answered

Your guide to booking Ontario to Kailua-Kona flights

More options for your flight from Ontario to Kailua-Kona

Complete your trip to Kailua-Kona with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Ontario to Kailua-Kona

Find direct flights to and from Ontario and Kailua-Kona

Flights from domestic origins to Kailua-Kona

Flights to other popular destinations

Find deals for your return flight