Cheap Flight Tickets from Ontario (ONT) to Kailua/Kona (KOA), Starting at $457

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

$568

DL Delta Airlines • 1 stop • 15h 58m

Dec 16 – Dec 28

The cheapest round trip flight from Ontario to Kailua/Kona (ONT-KOA-ONT) is currently $568

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Cheapest Direct Flight

$457

AS Alaska Airlines • nonstop • 9h 10m

Nov 04

The cheapest nonstop flight from Ontario to Kailua/Kona (ONT-KOA) is currently $457

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Fastest Flight

9h 2m

The fastest nonstop flight from Ontario to Kailua/Kona (ONT-KOA) takes 9h 2m

Top Airlines Flying from Ontario to Kailua/Kona

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

Alaska Airlines -AS

Alaska Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

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 16 - Dec 28, Economy
DL
Ontario → Kailua/Kona
15h 58m
11:57 AM - 7:55 PM • 1 stop
DL
Ontario → Kailua/Kona
18h 59m
9:40 PM - 11:19 AM • 1 stop
$568
Delta Airlines
Nov 04 - Nov 09, Economy
DL
Ontario → Kailua/Kona
23h 38m
6:20 AM - 6:38 PM • 1 stop
DL
Ontario → Kailua/Kona
18h 52m
9:45 PM - 11:17 AM • 1 stop
$588
Delta Airlines
Dec 16 - Dec 28, Economy
WN
Ontario → Kailua/Kona
21h 40m
10:25 AM - 9:25 PM • 2 stops
WN
Ontario → Kailua/Kona
30h 10m
3:40 PM - 11:50 AM • 2 stops
$911
Southwest Airlines
Nov 04 - Nov 09, Economy
WN
Ontario → Kailua/Kona
24h 5m
8:40 AM - 9:25 PM • 2 stops
WN
Ontario → Kailua/Kona
14h 15m
9:00 AM - 7:55 PM • 1 stop
$1047
Southwest Airlines
Nov 04 - Nov 09, Economy
WN
Ontario → Kailua/Kona
17h
5:55 AM - 2:15 PM • 1 stop
WN
Ontario → Kailua/Kona
14h 15m
9:00 AM - 7:55 PM • 1 stop
$1047
Southwest Airlines
Dec 16 - Dec 28, Economy
WN
Ontario → Kailua/Kona
23h 45m
5:45 AM - 6:10 PM • 2 stops
WN
Ontario → Kailua/Kona
17h 30m
9:00 AM - 9:50 PM • 1 stop
$1192
Southwest Airlines

Fly from Ontario to Kailua/Kona with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Ontario to Kailua/Kona? Find the biggest savings on one-way and round-trip tickets right here.

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?
Yes, you can fly ONT to KOA non-stop on
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 911
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 1:4400 pm

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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