ONT

$155 Find Cheap Flights from Kaua'i to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

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Flight Deals

Cheap Flights from Kaua'i to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Kaua'i to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kaua'i to Ontario

Thu, Sep 4 - Mon, Sep 8
Alaska Airlines Logo
11:00 am - 12:03 amLIH-ONT
10h 03m1 stop
Alaska Airlines Logo
11:39 am - 9:30 pmONT-LIH
12h 51m1 stop
$319Alaska Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
9:40 pm - 12:17 pmLIH-ONT
11h 37m2 stops
Delta Logo
11:50 am - 6:59 pmONT-LIH
10h 09m1 stop
$324Delta
Find Deal
Tue, Sep 23 - Tue, Sep 30
Delta Logo
8:32 pm - 12:17 pmLIH-ONT
12h 45m2 stops
Delta Logo
9:55 am - 6:59 pmONT-LIH
12h 04m2 stops
$330Delta
Find Deal
Wed, Sep 3 - Mon, Sep 8
Alaska Airlines Logo
10:30 pm - 10:44 amLIH-ONT
9h 14m1 stop
Alaska Airlines Logo
11:39 am - 9:30 pmONT-LIH
12h 51m1 stop
$415Alaska Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
Alaska Airlines Logo
10:31 pm - 12:37 pmLIH-ONT
11h 06m1 stop
Alaska Airlines Logo
1:31 pm - 9:31 pmONT-LIH
11h 00m1 stop
$419Alaska Airlines
Find Deal
Mon, Sep 15 - Sat, Sep 27
Alaska Airlines Logo
10:30 pm - 10:44 amLIH-ONT
9h 14m1 stop
Alaska Airlines Logo
11:39 am - 9:30 pmONT-LIH
12h 51m1 stop
$430Alaska Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Delta Logo
9:40 pm - 10:50 amLIH-ONT
10h 10m1 stop
Delta Logo
11:40 am - 7:03 pmONT-LIH
10h 23m1 stop
$431Delta
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
12:57 pm - 12:13 pmLIH-ONT
20h 16m1 stop
United Airlines Logo
6:00 am - 11:25 amONT-LIH
8h 25m1 stop
$522United Airlines
Find Deal
Thu, Sep 4 - Mon, Sep 8
United Airlines Logo
7:55 pm - 12:13 pmLIH-ONT
13h 18m2 stops
United Airlines Logo
6:00 am - 11:25 amONT-LIH
8h 25m1 stop
$530United Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
United Airlines Logo
7:55 pm - 12:13 pmLIH-ONT
13h 18m2 stops
United Airlines Logo
6:00 am - 11:25 amONT-LIH
8h 25m1 stop
$570United Airlines
Find Deal
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$155
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 1% increase in price.
Flight from Lihue to Ontario

FAQs for booking flights from Kaua'i to Ontario

  • How does KAYAK find such low prices on flights from Kaua'i to Ontario?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Kaua'i to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Kaua'i to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Kaua'i is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Kaua'i to Ontario?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Kaua'i with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Kaua'i to Ontario?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Kaua'i up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Kaua'i to Ontario

 
Need help choosing which airline to fly with from Kaua'i to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4244 reviews
8.6Crew
7.0Food
8.1Boarding
8.0Comfort
7.5Entertainment
Airline reviews

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

10.0 ExcellentGordon, Jul 2025GEG - OAK
Read more Southwest reviews

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

First time traveling on Southwest since bag fees were implemented. Usual good service. Just more expensive now.

It was a perfect flight in all aspects! Both legs!

Boarding process, crew were good. But the seats were so uncomfortable that was all I could focus on. I literally had to sit forward so that all 3 of us could fit in row. I will try to avoid Southwest in the future for any flights over 60 minutes.

Great flight, 47 passengers on a 180 seat plane. Stewardess was pleasant and cheerful.

Great experience flying Southwest. The crew was really kind and helpful, and very friendly with our toddler.

Plane late from DC to Austin 30 minutes. Crew made up much of the time enroute to San Diego.

Fine, but how to board on SW versus othrr airlines, is just lame. Goood staff though and all was solid otherwise.

Was as expected. Crowed planes. Too many carryons delaying takeoff. But the ride only took an hour and saved me a lot of time SFO is a not a great airport.

I will be flying again Southwest Airlines. Friendly crew, comfortable and affordable.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Ontario (ONT)

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