$166 Cheap Delta flights Ontario (ONT) to Kailua-Kona (KOA)

View $166 flight on Mon, Feb 9, 2026Opens in a new window

$166 Cheap Delta flights Ontario (ONT) to Kailua-Kona (KOA)

Prices were available within the past 7 days and start at $166 for one-way flights and $277 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Jan 29 - Tue, Feb 3
ONT
Ontario
KOA
Kona Coast
$277 Roundtrip, found 3 hours ago
$277
Roundtrip
found 3 hours ago
Select Delta flight, departing Thu, Jan 29 from Ontario to Kona Coast, returning Tue, Feb 3, priced at $277 found 3 hours ago
Delta
Wed, Feb 25 - Wed, Mar 4
ONT
Ontario
KOA
Kona Coast
$279 Roundtrip, found 5 days ago
$279
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Feb 25 from Ontario to Kona Coast, returning Wed, Mar 4, priced at $279 found 5 days ago
Delta
Thu, Jan 29 - Thu, Feb 5
ONT
Ontario
KOA
Kona Coast
$291 Roundtrip, found 4 days ago
$291
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 29 from Ontario to Kona Coast, returning Thu, Feb 5, priced at $291 found 4 days ago
Delta
Tue, Mar 17 - Thu, Mar 26
ONT
Ontario
KOA
Kona Coast
$294 Roundtrip, found 6 days ago
$294
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 17 from Ontario to Kona Coast, returning Thu, Mar 26, priced at $294 found 6 days ago
Delta
Mon, Jan 12 - Wed, Jan 21
ONT
Ontario
KOA
Kona Coast
$301 Roundtrip, found 3 days ago
$301
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jan 12 from Ontario to Kona Coast, returning Wed, Jan 21, priced at $301 found 3 days ago
Delta
Tue, Jan 27 - Tue, Feb 3
ONT
Ontario
KOA
Kona Coast
$304 Roundtrip, found 3 hours ago
$304
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Jan 27 from Ontario to Kona Coast, returning Tue, Feb 3, priced at $304 found 3 hours ago

Find the cheapest month to fly from Ontario (ONT) to Kailua-Kona (KOA)

January is typically the cheapest month to fly

From $260 - $721 per traveler.

Alternative airports near Kailua-Kona

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kona Intl. KOA. Cheapest option available. Flights from $473
KOA
Kona Intl.
Cheapest
Flights from $473
Flights from Ontario (ONT) to Kailua-Kona (KOA)
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Southwest Airlines
Distance
2548 mi

Frequently asked questions

How much is a Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Kona Intl. Airport (KOA)?
Scoring cheap one-way Delta Air Lines flights from ONT to KOA from $166 on Expedia is simple — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly return fares from $277 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from ONT to KOA with Delta Air Lines?
Delta Air Lines flights to Kailua-Kona are often more affordable in the off-peak months of October and September. Whether you need a round-trip or one-way ticket, you could land a better deal then.
What is the cheapest time to book flights from Los Angeles - Ontario Intl. Airport (ONT) to Kona Intl. Airport (KOA) with Delta Air Lines?
Begin your search one to three months before your departure to get cheaper fares on Delta Air Lines flights from Los Angeles - Ontario Intl. Airport (ONT) to Kona Intl. Airport (KOA). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic flights.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Los Angeles - Ontario Intl. Airport (ONT) to Kona Intl. Airport (KOA)?
To figure out if there's a direct route from ONT to KOA with Delta Air Lines or other carriers, check the "Nonstop" filter when looking for tickets.
What is the earliest Delta Air Lines flight from ONT to KOA?
To find the earliest departures from ONT to KOA with Delta Air Lines, filter your search by "Morning" and "Early Morning." Booking an early flight usually means you're less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Kailua-Kona?
Get on a Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Kailua-Kona, and you're most likely to arrive at Kona Intl. Airport (KOA). This is the airline's main hub here.
Why fly with Delta Air Lines from ONT to KOA?
Delta Air Lines makes flying from ONT to KOA more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You even have the chance to collect points with Delta SkyMiles. Remember to sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Los Angeles - Ontario Intl. Airport (ONT) to Kona Intl. Airport (KOA)?
Depending on the type of fare you purchased, a fee typically applies if you change or cancel your flight more than 24 hours after it's confirmed. To find flexible fares, select our "No cancel fee" or "Changes included" filter when looking for flights. To learn more about changing or canceling your reservation, go to "Trips," select your flight and tick "Manage Booking."

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*Available to One Key members.