$186 Cheap Flights from Denver (DEN) to Kailua-Kona (KOA)

View $186 flight on Mon, Sep 8, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $186 for one-way flights and $371 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Sep 4 - Thu, Sep 11
DEN
Denver
KOA
Kona Coast
$371 Roundtrip, found 8 hours ago
$371
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Sep 4 from Denver to Kona Coast, returning Thu, Sep 11, priced at $371 found 8 hours ago
Delta
Tue, Sep 30 - Wed, Oct 1
DEN
Denver
KOA
Kona Coast
$375 Roundtrip, found 5 hours ago
$375
Roundtrip
found 5 hours ago
Select Delta flight, departing Tue, Sep 30 from Denver to Kona Coast, returning Wed, Oct 1, priced at $375 found 5 hours ago
Southwest Airlines
Thu, Sep 4 - Mon, Sep 8
DEN
Denver
KOA
Kona Coast
$377 Roundtrip, found 12 hours ago
$377
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Denver to Kona Coast, returning Mon, Sep 8, priced at $377 found 12 hours ago
Delta
Mon, Sep 29 - Sun, Oct 5
DEN
Denver
KOA
Kona Coast
$378 Roundtrip, found 10 hours ago
$378
Roundtrip
found 10 hours ago
Select Delta flight, departing Mon, Sep 29 from Denver to Kona Coast, returning Sun, Oct 5, priced at $378 found 10 hours ago
American Airlines
Thu, Jan 8 - Mon, Jan 12
DEN
Denver
KOA
Kona Coast
$379 Roundtrip, found 8 hours ago
$379
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Thu, Jan 8 from Denver to Kona Coast, returning Mon, Jan 12, priced at $379 found 8 hours ago
Southwest Airlines
Tue, Oct 28 - Tue, Nov 4
DEN
Denver
KOA
Kona Coast
$379 Roundtrip, found 14 hours ago
$379
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Tue, Oct 28 from Denver to Kona Coast, returning Tue, Nov 4, priced at $379 found 14 hours ago
Delta
Thu, Sep 4 - Mon, Sep 8
DEN
Denver
KOA
Kona Coast
$380 Roundtrip, found 12 hours ago
$380
Roundtrip
found 12 hours ago
Select Delta flight, departing Thu, Sep 4 from Denver to Kona Coast, returning Mon, Sep 8, priced at $380 found 12 hours ago
Delta
Tue, Sep 2 - Fri, Sep 5
DEN
Denver
KOA
Kona Coast
$381 Roundtrip, found 11 hours ago
$381
Roundtrip
found 11 hours ago
Select Delta flight, departing Tue, Sep 2 from Denver to Kona Coast, returning Fri, Sep 5, priced at $381 found 11 hours ago
Alaska Airlines
Tue, Dec 2 - Tue, Dec 9
DEN
Denver
KOA
Kona Coast
$391 Roundtrip, found 9 hours ago
$391
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Tue, Dec 2 from Denver to Kona Coast, returning Tue, Dec 9, priced at $391 found 9 hours ago
Hawaiian Airlines
Tue, Dec 2 - Mon, Dec 8
DEN
Denver
KOA
Kona Coast
$403 Roundtrip, found 9 hours ago
$403
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 2 from Denver to Kona Coast, returning Mon, Dec 8, priced at $403 found 9 hours ago

Find the cheapest month to fly from Denver (DEN) to Kailua-Kona (KOA)

September is typically the cheapest month to fly

From $313 - $453 per traveler.

Graph displaying average flight prices per month

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 $653
KOA
Kona Intl.
Cheapest
Flights from $653
Flights from Denver (DEN) to Kailua-Kona (KOA)
Origin airport
Denver Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$369
Distance
3324 mi
Average flight time
5 hours 59 mins

Denver to Kailua-Kona Flights

The cheapest times to fly from Denver to Kailua-Kona

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 Denver to Kailua-Kona are during the month of September. You can find some of the cheapest flights from Denver to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Denver to Kailua-Kona: 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 Denver to Kailua-Kona

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 Denver to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $186 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 Denver to Kailua-Kona 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 Denver to Kailua-Kona 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 Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA) cost?
Grab cheap return tickets starting at $604 from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA). 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 DEN on August 19 2025 and touching down at KOA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DEN to KOA?
The cheapest flights from DEN to KOA 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 Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
Fly directly from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA) on a United Airlines flight.
What is the cheapest airline that flies from DEN to KOA?
Right now, the cheapest carrier offering one-way flights from DEN to KOA is United. You can book a seat on this route from $352. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DEN on October 13 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
On average, just 1 direct flight departs each day from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA). Want more options? Use our filter tool to find flights with layovers and squeeze another destination into your itinerary.
What are the most popular departure times for flights from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
The 12 PM departures from DEN to KOA are the most sought after. Greater demand means you'll likely pay more for these departures. If you're looking to save, choose a less crowded time to fly.
What day of the week has the most flights from DEN to KOA?
If you depart on a Monday, you'll get the greatest range of choices for flights from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA).
What is the earliest flight from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
Denver Intl. Airport (DEN)'s earliest flight to Kona Intl. Airport (KOA) is at approximately 12:30PM UTC-7. With a total travel time of 7h 31m, you'll arrive at around 5:01PM UTC-10.
How long does it take to fly from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
Flights from DEN to KOA have an average travel time of 7 hours and 31 minutes. The distance between these two airports is 3,300 mi.
What airline has the least delays from DEN to KOA?
With 86% of journeys usually arriving as scheduled, United Airlines has the best on-time performance for nonstop flights from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA). To check your flight status and get notified if anything changes, use the Expedia App.
What is the best time to fly from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
To avoid possible delays on the Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA) route, aim to fly before 3 PM. Later departures have a 22% higher chance of being canceled.**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 Kailua-Kona from Denver Intl. Airport (DEN)?
If you're taking a direct flight from Denver Intl. Airport (DEN) to Kailua-Kona, Kona Intl. Airport (KOA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA) last-minute?
Booking your ticket from DEN to KOA shortly before your trip is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could snag a cheap last-minute fare.
Is it cheaper to book a DEN to KOA flight and hotel package?
Securing a DEN to KOA flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our extensive range of accommodations and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Kona Intl. Airport (KOA)?
Typically, you can cancel or reschedule your DEN to KOA flight. However, additional fees may apply, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.