$189 Cheap Delta flights Honolulu (HNL) to Ontario (ONT)

View $189 flight on Fri, Feb 27, 2026Opens in a new window

$189 Cheap Delta flights Honolulu (HNL) to Ontario (ONT)

Prices were available within the past 7 days and start at $189 for one-way flights and $337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 2 - Tue, Sep 9
HNL
Oahu
ONT
Ontario
$337 Roundtrip, found 4 hours ago
$337
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Sep 2 from Oahu to Ontario, returning Tue, Sep 9, priced at $337 found 4 hours ago
Delta
Wed, Sep 24 - Fri, Sep 26
HNL
Oahu
ONT
Ontario
$341 Roundtrip, found 2 days ago
$341
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Sep 24 from Oahu to Ontario, returning Fri, Sep 26, priced at $341 found 2 days ago
Delta
Fri, Oct 31 - Sun, Nov 2
HNL
Oahu
ONT
Ontario
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select Delta flight, departing Fri, Oct 31 from Oahu to Ontario, returning Sun, Nov 2, priced at $353 found 2 days ago
Delta
Mon, Nov 17 - Mon, Dec 1
HNL
Oahu
ONT
Ontario
$356 Roundtrip, found 6 days ago
$356
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Nov 17 from Oahu to Ontario, returning Mon, Dec 1, priced at $356 found 6 days ago
Delta
Mon, Nov 17 - Wed, Nov 19
HNL
Oahu
ONT
Ontario
$358 Roundtrip, found 2 days ago
$358
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Nov 17 from Oahu to Ontario, returning Wed, Nov 19, priced at $358 found 2 days ago
Flights from Honolulu (HNL) to Ontario (ONT)
Origin airport
Daniel K. Inouye Intl.
Destination airport
Los Angeles - Ontario Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2599 mi
Average flight time
6 hours 32 mins

Frequently asked questions

How much is a Delta Air Lines flight from Daniel K. Inouye Intl. Airport (HNL) to Los Angeles - Ontario Intl. Airport (ONT)?
You'll find affordable return Delta Air Lines flights from $337 from HNL to ONT by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $189 for a one-way trip.**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 HNL to ONT with Delta Air Lines?
January is one of the least expensive months to travel to Ontario with Delta Air Lines. You could also find fantastic deals on one-way and round-trip fares in April.
What is the cheapest time to book flights from Daniel K. Inouye Intl. Airport (HNL) to Los Angeles - Ontario Intl. Airport (ONT) with Delta Air Lines?
To find cheap Delta Air Lines fares from Daniel K. Inouye Intl. Airport (HNL) to Los Angeles - Ontario Intl. Airport (ONT), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact how much you pay. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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 Daniel K. Inouye Intl. Airport (HNL) to Los Angeles - Ontario Intl. Airport (ONT)?
To find out if there's a direct journey from HNL to ONT with Delta Air Lines or any other carriers, check the "Nonstop" filter when browsing for tickets.
What is the earliest Delta Air Lines flight from HNL to ONT?
To find the earliest departures from HNL to ONT with Delta Air Lines, sort your results by "Morning" and "Early Morning." Choosing 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 Ontario?
Delta Air Lines flights from Daniel K. Inouye Intl. Airport (HNL) to Ontario come in to land at Los Angeles - Ontario Intl. Airport (ONT). This is the main gateway to this destination.
Why fly with Delta Air Lines from HNL to ONT?
Taking off from HNL to ONT with Delta Air Lines comes with a variety of perks, including a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That's on top of the Delta SkyMiles points you can earn with Delta Air Lines.*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 Daniel K. Inouye Intl. Airport (HNL) to Los Angeles - Ontario Intl. Airport (ONT)?
Depending on the type of fare you purchased, a fee may apply if you change or cancel your booking more than 24 hours after it's been confirmed. To find flexible plane tickets, select our "Changes included" or "No cancel fee" filter when looking for flights. For additional information on changing or canceling your reservation, go to "Trips," select your flight and click on "Manage Booking."

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*Available to One Key members.