What airlines fly to Kaua'i?

Hawaiian Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to Kaua'i from Ontario according to our data. Hawaiian Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Kaua'i. Keep in mind that there are 6 different airlines that fly to Kaua'i on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Kaua'i?

Alaska Airlines, Delta, and Hawaiian Airlines are the most popular carriers operating from Ontario to Kaua'i

When did momondo last update prices for flights from Ontario Airport to Kaua'i?

Prices for flights from Ontario Airport to Kaua'i are updated daily.

How many operators does momondo search for flights from Ontario Airport to Kaua'i?

As of August 2025, there are 5 operators available to choose from for flights from Ontario Airport to Kaua'i.

How old do you have to be to fly from Ontario Airport to Kaua'i?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kaua'i.

What documentation or ID do you need to fly to Kaua'i?

The required travel and health documents for your Kaua'i trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kaua'i. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$176 Cheap Flights from Ontario to Kaua'i in 2025

1 adult

0 bags

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Find the cheapest flights from Ontario to Kaua'i

Round-trip

One-way

Last minute

Cheap round-trip flights

9:45 am - 5:22 pmONT-LIH

10h 37m1 stop

6:02 am - 5:14 pmLIH-ONT

9h 12m1 stop

$352Alaska Airlines

Find Deal

mié., oct. 29 - mié., nov. 5

11:30 am - 10:15 pmONT-LIH

12h 45m1 stop

6:00 am - 9:55 pmLIH-ONT

13h 55m1 stop

$357Alaska Airlines

Find Deal

dom., ene. 18 - mié., ene. 21

11:48 am - 7:05 pmONT-LIH

10h 17m1 stop

9:40 pm - 11:08 amLIH-ONT

10h 28m1 stop

$361Delta

Find Deal

dom., oct. 26 - mar., oct. 28

11:30 am - 10:15 pmONT-LIH

12h 45m1 stop

7:00 am - 9:55 pmLIH-ONT

12h 55m1 stop

$363Alaska Airlines

Find Deal

jue., ene. 15 - mar., ene. 20

9:55 am - 6:59 pmONT-LIH

12h 04m2 stops

9:40 pm - 11:09 amLIH-ONT

10h 29m1 stop

$366Delta

Find Deal

mar., sep. 23 - mar., sep. 30

11:48 am - 7:05 pmONT-LIH

10h 17m1 stop

9:40 pm - 2:01 pmLIH-ONT

13h 21m1 stop

$367Delta

Find Deal

vie., oct. 24 - jue., oct. 30

9:50 am - 6:59 pmONT-LIH

12h 09m2 stops

9:40 pm - 11:09 amLIH-ONT

10h 29m1 stop

$372Delta

Find Deal

jue., sep. 25 - mié., oct. 1

11:07 am - 6:21 pmONT-LIH

10h 14m1 stop

7:00 am - 5:14 pmLIH-ONT

7h 14m1 stop

$373Alaska Airlines

Find Deal

mar., oct. 21 - mié., oct. 29

6:00 am - 11:25 amONT-LIH

8h 25m1 stop

11:10 pm - 12:13 pmLIH-ONT

10h 03m1 stop

$482United Airlines

Find Deal

dom., sep. 7 - lun., sep. 15

6:00 am - 11:25 amONT-LIH

8h 25m1 stop

11:10 pm - 12:13 pmLIH-ONT

10h 03m1 stop

$487United Airlines

Find Deal

vie., sep. 12 - vie., sep. 19

Alaska Airlines flights from Ontario to Kaua'i

Our best Alaska Airlines deals on Ontario to Kaua'i flight tickets

Alaska Airlines

Oct 29

ONT9:45 amOntario

10h 37m

1 stop

LIH5:22 pmLihue

Nov 5

LIH6:02 amLihue

9h 12m

1 stop

ONT5:14 pmOntario

$352

Find similar

Alaska Airlines

Jan 18

ONT11:30 amOntario

12h 45m

1 stop

LIH10:15 pmLihue

Jan 21

LIH6:00 amLihue

13h 55m

1 stop

ONT9:55 pmOntario

$357

Find similar

Alaska Airlines

Jan 15

ONT11:30 amOntario

12h 45m

1 stop

LIH10:15 pmLihue

Jan 20

LIH7:00 amLihue

12h 55m

1 stop

ONT9:55 pmOntario

$363

Find similar

Delta flights from Ontario to Kaua'i

Our best Delta deals on Ontario to Kaua'i flight tickets

Delta

Oct 26

ONT11:48 amOntario

10h 17m

1 stop

LIH7:05 pmLihue

Oct 28

LIH9:40 pmLihue

10h 28m

1 stop

ONT11:08 amOntario

$361

Find similar

Delta

Sep 23

ONT9:55 amOntario

12h 04m

2 stops

LIH6:59 pmLihue

Sep 30

LIH9:40 pmLihue

10h 29m

1 stop

ONT11:09 amOntario

$366

Find similar

Delta

Oct 24

ONT11:48 amOntario

10h 17m

1 stop

LIH7:05 pmLihue

Oct 30

LIH9:40 pmLihue

13h 21m

1 stop

ONT2:01 pmOntario

$367

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioLihue

ONT - LIH

ONTLIH

Ontario

mié. 10/29

9:45 am-5:22 pm

1 stop10h 37m

Lihue

mié. 11/5

6:02 am-5:14 pm

1 stop9h 12m

$352

OntarioLihue

ONT - LIH

ONTLIH

Ontario

dom. 1/18

11:30 am-10:15 pm

1 stop12h 45m

Lihue

mié. 1/21

6:00 am-9:55 pm

1 stop13h 55m

$357

OntarioLihue

ONT - LIH

ONTLIH

Ontario

dom. 10/26

11:48 am-7:05 pm

1 stop10h 17m

Lihue

mar. 10/28

9:40 pm-11:08 am

1 stop10h 28m

$361

OntarioLihue

ONT - LIH

ONTLIH

Ontario

jue. 1/15

11:30 am-10:15 pm

1 stop12h 45m

Lihue

mar. 1/20

7:00 am-9:55 pm

1 stop12h 55m

$363

OntarioLihue

ONT - LIH

ONTLIH

Ontario

mar. 9/23

9:55 am-6:59 pm

2 stops12h 04m

Lihue

mar. 9/30

9:40 pm-11:09 am

1 stop10h 29m

$366

OntarioLihue

ONT - LIH

ONTLIH

Ontario

vie. 10/24

11:48 am-7:05 pm

1 stop10h 17m

Lihue

jue. 10/30

9:40 pm-2:01 pm

1 stop13h 21m

$367

OntarioLihue

ONT - LIH

ONTLIH

Ontario

jue. 9/25

9:50 am-6:59 pm

2 stops12h 09m

Lihue

mié. 10/1

9:40 pm-11:09 am

1 stop10h 29m

$372

OntarioLihue

ONT - LIH

ONTLIH

Ontario

mar. 10/21

11:07 am-6:21 pm

1 stop10h 14m

Lihue

mié. 10/29

7:00 am-5:14 pm

1 stop7h 14m

$373

OntarioLihue

ONT - LIH

ONTLIH

Ontario

dom. 9/7

6:00 am-11:25 am

1 stop8h 25m

Lihue

lun. 9/15

11:10 pm-12:13 pm

1 stop10h 03m

$482

OntarioLihue

ONT - LIH

ONTLIH

Ontario

vie. 9/12

6:00 am-11:25 am

1 stop8h 25m

Lihue

vie. 9/19

11:10 pm-12:13 pm

1 stop10h 03m

$487

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Kaua'i

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

Prices

Airlines

What is the cheapest month to fly to Kaua'i?

In general, November is the cheapest month to fly from Ontario to Kaua'i. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $411. The month of September is another great option to travel to Kaua'i, with average flight prices from Ontario averaging around $475.

What is the cheapest day to depart on your flight to Kaua'i?

According to our data, Thursday is the cheapest day to fly to Kaua'i from Ontario. The lowest ticket price found for a Thursday departure recently was $298. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $610. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kaua'i.

What is the cheapest time of day to depart on your flight to Kaua'i?

The cheapest time of day to fly to Kaua'i is in the morning when flights can be purchased for as low as $496. In contrast, the most expensive time of day to depart to Kaua'i is at noon when prices are around $525.

How far in advance should I book a flight to Kaua'i?

You are more likely to see cheaper flights to Kaua'i from Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Kaua'i for around $556 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kaua'i from Ontario for as low as $413 on momondo.

Can stopping save me money on Ontario to Kaua'i flights?

No. A direct flight is the cheapest option for a flight between Ontario to Kaua'i.

Cheap Ontario to Kaua'i flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Kaua'i

Best Price Found	$176
Fastest flight time	7h 53m
Direct flights	None
Airports in Kaua'i	1 airport

The best one-way flight to Kaua'i from Ontario in the past 72 hours is $176. The best round-trip flight deal from Ontario to Kaua'i found on momondo in the last 72 hours is $352.

The fastest flight from Ontario to Kaua'i takes 7h 53m

There are no direct flights from Ontario to Kaua'i. Popular non-direct route for this connection is Ontario Airport - Lihue Airport.

There is 1 airport near Kaua'i: Lihue (LIH)

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Kaua'i?
Prices for flights from Ontario Airport to Kaua'i are updated daily.
How many operators does momondo search for flights from Ontario Airport to Kaua'i?
As of August 2025, there are 5 operators available to choose from for flights from Ontario Airport to Kaua'i.
How old do you have to be to fly from Ontario Airport to Kaua'i?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Kaua'i.
What documentation or ID do you need to fly to Kaua'i?
The required travel and health documents for your Kaua'i trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kaua'i. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Ontario to Kaua'i?
momondo data reveals that the most frequently booked plane model on the route from Ontario to Kaua'i is Airbus A320neo, representing 14.79% of all bookings. The subsequent popular models are Airbus A321neo at 11.84%, Boeing 737-800 Passenger/BBJ2 (winglets) at 10.13%, and Boeing 737 MAX 8 at 8.52%.

Best airlines flying from Ontario to Kaua'i

Compare and see reviews for airlines that fly from Ontario to Kaua'i with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $230	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Southwest	PriceFrom $361	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
Hawaiian Airlines	PriceFrom $365	Free Cancellation	Rating 7.8 2,664 reviews	Search Hawaiian Airlines flights
United Airlines	PriceFrom $393	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $406	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Kaua'i?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to Kaua'i. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ontario to Kaua'i with flexible booking policies on momondo?

Yes. All flights to Kaua'i from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Kaua'i?

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 Kaua'i from Ontario.

I’m not ready to book a flight from Ontario to Kaua'i right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Kaua'i flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.