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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
$386
Southwest Airlines
• 1 stop
• 13h 30m
Sep 23 – Sep 30
The cheapest round trip flight from Ontario to Kailua/Kona (ONT-KOA-ONT) is currently $386
Fastest Flight
13h 30m
The fastest nonstop flight from Ontario to Kailua/Kona (ONT-KOA) takes 13h 30m
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.
Sep 23 - Sep 30, Economy
Ontario → Kailua/Kona
13h 30m
7:15 AM - 12:25 PM • 1 stop
Ontario → Kailua/Kona
12h 20m
7:05 PM - 5:45 AM • 1 stop
Southwest Airlines
Sep 23 - Sep 30, Economy
Ontario → Kailua/Kona
15h 55m
5:45 AM - 12:40 PM • 1 stop
Ontario → Kailua/Kona
19h 10m
8:35 PM - 11:25 AM • 1 stop
Southwest Airlines
Sep 23 - Sep 30, Economy
Ontario → Kailua/Kona
15h 55m
5:45 AM - 12:40 PM • 1 stop
Ontario → Kailua/Kona
20h 55m
8:35 PM - 12:30 PM • 2 stops
Southwest Airlines
Sep 23 - Sep 30, Economy
Ontario → Kailua/Kona
18h 45m
5:45 AM - 2:10 PM • 2 stops
Ontario → Kailua/Kona
12h 20m
7:05 PM - 5:45 AM • 1 stop
Southwest Airlines
Sep 23 - Sep 30, Economy
Ontario → Kailua/Kona
17h 10m
6:40 AM - 2:10 PM • 2 stops
Ontario → Kailua/Kona
19h 10m
8:35 PM - 11:25 AM • 1 stop
Southwest 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 5:45 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 WN : USD 391
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 7:15 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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