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Uncover the best deals on Ontario to Kailua/Kona flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest ONT - KOA Flights
Useful information for finding best airline tickets from Ontario International to Kona International At Keahole on your next trip.
Cheapest Round Trip Flight
$515
Southwest Airlines
• 1 stop
• 18h 30m
Dec 27 – Jan 03
The cheapest round trip flight from Ontario to Kailua/Kona (ONT-KOA-ONT) is currently $515
Fastest Flight
12h 5m
The fastest nonstop flight from Ontario to Kailua/Kona (ONT-KOA) takes 12h 5m
Top Airlines Flying from Ontario to Kailua/Kona
Latest Flight Deals from Ontario (ONT) to Kailua/Kona (KOA)
Compare and book low fare round-trip air tickets from Ontario to Kailua/Kona. Ideal for travelers with confirmed return itineraries.
Dec 27 - Jan 03, Economy
Ontario → Kailua/Kona
18h 30m
9:00 AM - 6:10 PM • 1 stop
Ontario → Kailua/Kona
15h 5m
11:40 AM - 10:45 PM • 1 stop
Southwest Airlines
Dec 27 - Jan 03, Economy
Ontario → Kailua/Kona
12h 5m
9:00 AM - 2:25 PM • 1 stop
Ontario → Kailua/Kona
15h 5m
11:40 AM - 10:45 PM • 1 stop
Southwest Airlines
Dec 27 - Jan 03, Economy
Ontario → Kailua/Kona
23h 45m
9:00 AM - 9:25 PM • 1 stop
Ontario → Kailua/Kona
15h 5m
11:40 AM - 10:45 PM • 1 stop
Southwest Airlines
Dec 27 - Jan 03, Economy
Ontario → Kailua/Kona
16h 45m
5:35 AM - 1:40 PM • 1 stop
Ontario → Kailua/Kona
15h 5m
11:40 AM - 10:45 PM • 1 stop
Southwest Airlines
Dec 27 - Jan 03, Economy
Ontario → Kailua/Kona
17h 35m
6:00 AM - 2:55 PM • 1 stop
Ontario → Kailua/Kona
8h 36m
10:45 PM - 6:01 AM • nonstop
Delta Airlines
FAQs on Ontario to Kailua/Kona Flights
What are the airports in Ontario?
ONT
What’s the most popular airline flying from ONT to KOA?
The most popular airline flying from Ontario to Kailua/Kona are
Can I fly from ONT to KOA non-stop?
NO
Which airlines fly nonstop between Ontario and Kailua/Kona?
The non-stop flights between Ontario and Kailua/Kona are .
What’s the earliest departure time from ONT to KOA Airport?
The earliest flight leaves ONT at 5:35 am and lands in KOA - Kona International At Keahole
What are the airports in Kailua/Kona?
KOA
Can I make changes to my Ontario to Kailua/Kona flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from ONT to KOA?
Read the fare rules of the Ontario to Kailua/Kona air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Ontario and Kailua/Kona?
operate flights between Ontario and Kailua/Kona
How long does a flight from Ontario to Kailua/Kona take?
It takes approximately 6 hour to fly non-stop from ONT to KOA, which is 2550.81 miles by air.
Which airlines provide the cheapest flights from Ontario (ONT) to Kailua/Kona (KOA) ?
In the past couple of days, the cheapest tickets to KOA from ONT were found on DL : USD 792
Do I need a passport to fly between ONT and KOA?
No
What’s the latest departure time from ONT to KOA ?
The last flight leaves ONT at 9:00 am
Ontario (ONT) to Kailua/Kona (KOA): Airport Information
| Origin Airport | Ontario International , Ontario, US |
| Destination Airport | Kona International At Keahole , Kailua/Kona, US |
| Distance | 2551 miles |
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