$162 Cheap Flights from Kailua-Kona (KOA) to Denver (DEN)

View $162 flight on Tue, Sep 16, 2025Opens in a new window

Popular airlines from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)

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Find available prices by choosing your travel dates.

Cheap Flights from Kailua-Kona to Denver (KOA-DEN)

Prices were available within the past 7 days and start at $162 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 22 - Thu, Sep 25
KOA
Kona Coast
DEN
Denver
$313 Roundtrip, found 3 days ago
$313
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 22 from Kona Coast to Denver, returning Thu, Sep 25, priced at $313 found 3 days ago
Delta
Wed, Aug 20 - Tue, Aug 26
KOA
Kona Coast
DEN
Denver
$316 Roundtrip, found 5 days ago
$316
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Aug 20 from Kona Coast to Denver, returning Tue, Aug 26, priced at $316 found 5 days ago
Delta
Mon, Sep 22 - Sun, Sep 28
KOA
Kona Coast
DEN
Denver
$316 Roundtrip, found 3 days ago
$316
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Sep 22 from Kona Coast to Denver, returning Sun, Sep 28, priced at $316 found 3 days ago
Alaska Airlines
Wed, Oct 1 - Thu, Oct 2
KOA
Kona Coast
DEN
Denver
$318 Roundtrip, found 4 days ago
$318
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Oct 1 from Kona Coast to Denver, returning Thu, Oct 2, priced at $318 found 4 days ago
Delta
Fri, Sep 12 - Sun, Sep 14
KOA
Kona Coast
DEN
Denver
$319 Roundtrip, found 3 days ago
$319
Roundtrip
found 3 days ago
Select Delta flight, departing Fri, Sep 12 from Kona Coast to Denver, returning Sun, Sep 14, priced at $319 found 3 days ago
Delta
Fri, Aug 22 - Wed, Sep 10
KOA
Kona Coast
DEN
Denver
$321 Roundtrip, found 6 days ago
$321
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Aug 22 from Kona Coast to Denver, returning Wed, Sep 10, priced at $321 found 6 days ago
Alaska Airlines
Mon, Sep 22 - Wed, Sep 24
KOA
Kona Coast
DEN
Denver
$324 Roundtrip, found 3 days ago
$324
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Sep 22 from Kona Coast to Denver, returning Wed, Sep 24, priced at $324 found 3 days ago
American Airlines
Fri, Sep 19 - Sun, Sep 28
KOA
Kona Coast
DEN
Denver
$324 Roundtrip, found 6 days ago
$324
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Sep 19 from Kona Coast to Denver, returning Sun, Sep 28, priced at $324 found 6 days ago
Southwest Airlines
Tue, Sep 16 - Tue, Sep 23
KOA
Kona Coast
DEN
Denver
$338 Roundtrip, found 3 days ago
$338
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, Sep 16 from Kona Coast to Denver, returning Tue, Sep 23, priced at $338 found 3 days ago
United
Wed, Sep 10 - Wed, Sep 17
KOA
Kona Coast
DEN
Denver
$397 Roundtrip, found 1 day ago
$397
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 10 from Kona Coast to Denver, returning Wed, Sep 17, priced at $397 found 1 day ago
Flights from Kailua-Kona (KOA) to Denver (DEN)
Origin airport
Kona Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$313
Distance
3324 mi

Kailua-Kona to Denver Flights

The cheapest times to fly from Kailua-Kona to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kailua-Kona to Denver are during the month of September. You can find some of the cheapest flights from Kailua-Kona to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Kailua-Kona to Denver

Sunday is one of the best days to book for cheap flights from Kailua-Kona to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Kailua-Kona to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kailua-Kona to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kailua-Kona to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kailua-Kona to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN) cost?
Cheap round-trip flights from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN) start at $744. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United flight leaving KOA on May 16 2025 and touching down at DEN. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from KOA to DEN?
The cheapest flights from KOA to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
If you’re departing from Kona Intl. Airport (KOA), you can jump on a direct flight to Denver Intl. Airport (DEN) with United Airlines.
What is the cheapest airline that flies from KOA to DEN?
With prices starting from $422 for a one-way flight from KOA to DEN, United is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from KOA on July 15 2025. Prices were last updated on April 24 2025 and have not changed since.
How many flights per day from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
On average, there is just 1 nonstop flight departing from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN) every day. If this doesn’t work with your itinerary, think about flights with a layover. Simply filter your search results on Expedia to include one or more stops to find the next best option.
What are the most popular departure times for flights from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
More passengers fly between KOA and DEN at 8 PM than at any other time of day. Looking to skip the crowds? Consider flying outside peak hours and you’re likely to save on your ticket as well.
What day of the week has the most flights from KOA to DEN?
If you travel on a Friday, you’ll get the widest range of choices for flights from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN).
What is the earliest flight from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
The earliest flight departing from Kona Intl. Airport (KOA) is at around 8:55PM UTC-10. Hop on this flight and you’ll land at Denver Intl. Airport (DEN) at approximately 6:34AM UTC-7. The total travel time is 6h 39m.
How long does it take to fly from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
Flights from KOA to DEN have an average travel time of 6 hours and 39 minutes. The total distance between the two is 3,300 mi.
What airline has the least delays from KOA to DEN?
United Airlines has the strongest track record for on-time direct flights from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN), with an on-time score of 98%. Use the Expedia App to see your flight schedule before you jet off and get real-time alerts about any trip changes.
What is the best time to fly from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
To touch down at Denver Intl. Airport (DEN) on schedule, opt for a flight that leaves from Kona Intl. Airport (KOA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Denver from Kona Intl. Airport (KOA)?
Denver Intl. Airport (DEN) is the only airport in Denver with direct flights from Kona Intl. Airport (KOA). Browse your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN) last-minute?
Booking your ticket from KOA to DEN right before your getaway is usually more expensive. But if you’re flexible with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a KOA to DEN flight and hotel package?
Securing a KOA to DEN flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kona Intl. Airport (KOA) to Denver Intl. Airport (DEN)?
In most instances, you can modify or cancel your KOA to DEN flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline’s fees and policies on flight changes, or if you’d like more details, visit our Customer Service portal.

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*Available to One Key members.