HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$160+ Cheap flights from Kailua-Kona to Denver (KOA - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — DEN
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kailua-Kona to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Kona Intl to Denver Intl are usually found in November or September, booked 49 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Kailua-Kona to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$325
(Delta)

One-way from

$288
(Delta)

Popular in

June

Cheapest in

November

Average price

$761

Good round-trip deal

$699 or less

Good one-way deal

$285 or less
From Kona Intl to Denver Intl
Search Deals
One-way flight from Kona Intl to Denver Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals
Price to beat on a round-trip flight from Kona Intl to Denver Intl.
Search Deals
Price to beat on a one-way flight from Kona Intl to Denver Intl.
Search Deals

Find flight deals from Kailua-Kona to Denver

Cheapest flights from Kailua-Kona to Denver
Explore the most affordable flight options available from Kailua-Kona to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:45 pmKOA - DEN
1 stop9h 43mDelta
Mon 9/226:15 amDEN - KOA
1 stop15h 29mDelta
Deal found 6/11$325
This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:30 pmKOA - DEN
2 stops16h 30mAlaska Airlines
Tue 11/48:20 amDEN - KOA
2 stops13h 07mAlaska Airlines
Deal found 6/11$336
This Southwest deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/107:00 pmKOA - DEN
2 stops12h 35mSouthwest
Sun 9/146:35 amDEN - KOA
1 stop9h 35mSouthwest
Deal found 6/11$419
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:32 pmKOA - DEN
1 stop10h 38mHawaiian Airlines
Tue 10/77:01 amDEN - KOA
1 stop9h 28mHawaiian Airlines
Deal found 6/10$448
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/227:40 pmKOA - DEN
Nonstop6h 30mUnited Airlines
Tue 9/166:08 amDEN - KOA
1 stop9h 28mUnited Airlines
Deal found 6/10$535
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/189:55 pmKOA - DEN
1 stop9h 31mAmerican Airlines
Thu 9/2511:40 amDEN - KOA
2 stops12h 47mAmerican Airlines
Deal found 6/11$644
This United deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:40 pmKOA - DEN
Nonstop6h 30mMultiple Airlines
Wed 7/93:03 pmDEN - KOA
1 stop11h 01mMultiple Airlines
Deal found 6/10$1,069

Cheapflights Fare Finder

Customize your flight search to find flights from Kailua-Kona to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Denver that are best for you.

Fly from

Kailua-Kona

Fly to

Denver

Route

Depart

Return

Price

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Mon 9/15

9:45 pm-11:28 am

1 stop9h 43m

Denver Intl

Thu 9/25

6:15 am-5:44 pm

1 stop15h 29m

$325

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Thu 10/23

5:30 pm-2:00 pm

2 stops16h 30m

Denver Intl

Tue 11/4

8:20 am-6:27 pm

2 stops13h 07m

$336

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Wed 9/10

7:00 pm-11:35 am

2 stops12h 35m

Denver Intl

Sun 9/14

6:35 am-12:10 pm

1 stop9h 35m

$419

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Fri 9/26

9:32 pm-12:10 pm

1 stop10h 38m

Denver Intl

Tue 10/7

7:01 am-12:29 pm

1 stop9h 28m

$448

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Tue 7/22

7:40 pm-6:10 am

Nonstop6h 30m

Denver Intl

Tue 9/16

6:08 am-11:36 am

1 stop9h 28m

$535

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Thu 9/18

9:55 pm-11:26 am

1 stop9h 31m

Denver Intl

Thu 9/25

11:40 am-8:27 pm

2 stops12h 47m

$644

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Wed 7/9

7:40 pm-6:10 am

Nonstop6h 30m

Denver Intl

Tue 7/15

3:03 pm-10:04 pm

1 stop11h 01m

$1,069

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Tue 10/21

9:45 pm-11:28 am

1 stop9h 43m

$160

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Tue 10/21

3:25 pm-2:00 pm

2 stops18h 35m

$165

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Sat 10/18

9:17 pm-9:46 pm

1 stop20h 29m

$235

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 results
1
2

The best insider tips for Kailua-Kona to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Denver trip
Airports
KOA

Security lines at KOA are rarely a concern. Expect 15 to 20 minutes wait even without TSA PreCheck.

Read more about KOAby Brandon Schultz
DEN

Use the A Line train for a quick 37-minute ride from DEN to Union Station, running every 15 minutes.

Read more about DENby Emily Zemler
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on KOA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Kailua-Kona to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Kailua-Kona with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to Denver

How far ahead should I book a flight from Kailua-Kona to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Kailua-Kona to Denver. Price data was last updated on June 9, 2025.

Booking 49 days in advance of your planned departure date is, on average, the best time to get cheap flights from Kailua-Kona to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Kailua-Kona to Denver?

Currently, October is the cheapest month in which you can book a flight from Kailua-Kona to Denver (average of $197). Flying from Kailua-Kona to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KOA to DEN?

Find hourly flight availability from Kailua-Kona to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Kailua-Kona to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 33% on airfare.

Weekly flight availability from Kailua-Kona to Denver

Explore weekly flight availability from Kailua-Kona to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from KOA to DEN are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Kailua-Kona to Denver have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Kailua-Kona to Denver?

    Booking a flight from Kona Intl (KOA) to Denver Intl (DEN) is your only option if you wish to fly from Kailua-Kona to Denver. On a typical day, there is 1 flight from Kona Intl to Denver Intl, all of which are around 6h 30m for a nonstop flight. You can also purchase a plane ticket from 5 airlines when you book a flight from Kona Intl to Denver.

  • How popular is this Kailua-Kona to Denver flight route?

    Flights from Kona Intl to Denver Intl have been viewed 8 times in the past calendar month.

  • What are the cheapest airlines flying from Kailua-Kona to Denver round-trip?

    Cheapflights users have booked flights from Kailua-Kona to Denver round-trip from $325. Other airlines that can offer you cheap pricing are Southwest, from $335, and Alaska Airlines, from $433. These flights start at 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Kailua-Kona to Denver one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $288. Alaska Airlines flights start at $312 while deals on Southwest start at $332 one-way.

  • What are the cheapest flights from Kailua-Kona to Denver?

    Looking for the cheapest flight from Kailua-Kona to Denver? While on average our users pay $937, our data indicates the cheapest price to be $254. The most popular route (Kona Intl - Denver Intl), is priced around $325.

  • Can I find deals for flights from Kailua-Kona to Denver that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Denver.

  • Can I find deals for business class flights from Kailua-Kona to Denver?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kailua-Kona to Denver?

    Currently, October is the cheapest month in which you can book a flight from Kailua-Kona to Denver (average of $197). Flying from Kailua-Kona to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kailua-Kona?

Book flights to Kailua-Kona if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Kailua-Kona to Denver

Discover the top 5 airlines that operate flights from Kailua-Kona to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$292Average$405FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$319Average$457FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$348Average$505FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$423Average$812FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$526Average$598FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.