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$174+ 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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — DEN
Apr 26 — May 31
Sun 4/26
Sun 5/3
1 adult, Economy
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Cheap 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 March 27, 2026.

This United Airlines deal was found by Cheapflights users on 3/24. 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 4/2112:02 pm
KOA
-
DEN
1 stop8h 43m
United Airlines
Tue 4/281:40 pm
DEN
-
KOA
1 stop10h 02m
United Airlines
Deal found 3/24$360
This Delta deal was found by Cheapflights users on 3/25. 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.
Thu 8/209:45 pm
KOA
-
DEN
2 stops17h 25m
Delta
Tue 8/2512:59 pm
DEN
-
KOA
1 stop9h 35m
Delta
Deal found 3/25$361
This Southwest deal was found by Cheapflights users on 3/24. 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.
Thu 4/238:25 pm
KOA
-
DEN
1 stop10h 40m
Southwest
Mon 4/277:10 am
DEN
-
KOA
2 stops11h 20m
Southwest
Deal found 3/24$387
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 4/2512:02 pm
KOA
-
DEN
1 stop8h 43m
United Airlines
Sun 4/265:15 am
DEN
-
KOA
1 stop11h 30m
United Airlines
Deal found 3/27$388
This United Airlines deal was found by Cheapflights users on 3/23. 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.
Mon 4/2012:02 pm
KOA
-
DEN
1 stop8h 43m
United Airlines
Mon 4/275:15 am
DEN
-
KOA
1 stop9h 32m
United Airlines
Deal found 3/23$400
This Delta deal was found by Cheapflights users on 3/26. 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.
Wed 9/98:40 pm
KOA
-
DEN
1 stop10h 50m
Delta
Sun 9/136:45 am
DEN
-
KOA
1 stop15h 06m
Delta
Deal found 3/26$408
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 5/58:50 pm
KOA
-
DEN
1 stop11h 27m
Delta
Sun 5/175:30 am
DEN
-
KOA
2 stops16h 07m
Delta
Deal found 3/24$418
This Delta deal was found by Cheapflights users on 3/24. 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.
Wed 5/68:50 pm
KOA
-
DEN
2 stops18h 25m
Delta
Sun 5/175:30 am
DEN
-
KOA
2 stops16h 07m
Delta
Deal found 3/24$423

Find 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 March 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$360
(United Airlines)

One-way from

$174
(Delta)

Popular in

September

Cheapest in

February

Average price

$744

Good round-trip deal

$606 or less

Good one-way deal

$295 or less
Provider with most accurate pricing for Kona Intl-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kona Intl-Denver Intl flights.
Search Deals
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. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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

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 March 27, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Sat 4/25

12:02 pm-12:45 am

1 stop8h 43m

Denver Intl

Sun 4/26

5:15 am-12:45 pm

1 stop11h 30m

$388
Quickest round-trip

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Thu 4/23

12:02 pm-12:45 am

1 stop8h 43m

Denver Intl

Mon 4/27

5:15 am-10:47 am

1 stop9h 32m

$400

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Fri 4/24

12:02 pm-12:45 am

1 stop8h 43m

Denver Intl

Mon 4/27

5:15 am-10:47 am

1 stop9h 32m

$439

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Mon 5/4

6:41 pm-10:54 am

2 stops12h 13m

Denver Intl

Tue 5/5

1:02 pm-10:16 pm

2 stops13h 14m

$486

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Tue 4/7

10:00 am-11:05 pm

1 stop9h 05m

Denver Intl

Tue 4/14

8:55 am-6:05 pm

2 stops13h 10m

$495

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Mon 5/4

1:16 pm-12:06 pm

1 stop18h 50m

Denver Intl

Tue 5/5

5:00 pm-7:52 pm

1 stop30h 52m

$577
Cheapest one-way

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Thu 9/17

9:45 pm-7:10 pm

2 stops17h 25m

$174

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Wed 4/29

8:25 pm-11:05 am

1 stop10h 40m

$205

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Wed 4/22

8:25 pm-12:05 pm

2 stops11h 40m

$206

Kailua-KonaDenver

KOA - DEN

KOADEN

Kona Intl

Wed 4/8

7:38 pm-9:28 am

1 stop9h 50m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Kailua-Kona to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to Denver in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kailua-Kona-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, November is the cheapest month in which you can book a flight from Kailua-Kona to Denver (average of $233). Flying from Kailua-Kona to Denver in July is currently the most expensive (average of $596). 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 March 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kailua-Kona to Denver as you normally would.

How much does it cost to fly round-trip from Kailua-Kona to Denver?

The best insider tips for Kailua-Kona to Denver flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Denver trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on KOA

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 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

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 March 27, 2026.
Read through reviews of airlines operating flights from Kailua-Kona to Denver, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,331 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,341 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,491 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,504 reviews
Southwest
8.0
Very good
4,331 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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.

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

    Flights from Kona Intl to Denver Intl have been viewed 4 times in the past calendar month.

  • How long is the flight from Kailua-Kona to Denver?

    A quick flight from Kailua-Kona to Denver can take about 8h 43m. Southwest provides one of the quickest options available for as low as $400. Airlines will cover a distance of 3323 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $292. Other airlines that can offer you cheap pricing are Southwest, from $323, and American Airlines, from $352. These flights start at 56% 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 American Airlines, which is currently one of the cheapest options available, starting at $159. Southwest flights start at $176 while deals on Delta start at $189 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 $580, our data indicates the cheapest price to be $220. The most popular route (Kona Intl - Denver Intl), is priced around $361.

  • 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, November is the cheapest month in which you can book a flight from Kailua-Kona to Denver (average of $233). Flying from Kailua-Kona to Denver in July is currently the most expensive (average of $596). 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 Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Glendale
Manitou Springs
Frisco
Englewood
Fort Morgan
Brighton

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Kailua-Kona to Denver

Discover the top 4 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 March 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$292Average$511FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$323Average$593FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$352Average$514FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$487Average$773FlexibilityNo cancel feeOn-time69%

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