$227 Find Cheap Flights from Denver to Kailua-Kona - Compare and Save

DEN has one of the most extensive airport animal therapy programs in America called the DEN CATS. The squad of four-legged volunteers comprises more than 80 dogs and one cat available to travelers needing warm cuddles.

Yes. Alamo, Avis, Budget, Dollar, Enterprise, Hertz, National, and Thrifty are the car rental companies represented at Kona airport. If you’ve made your reservation through KAYAK, to go to relevant check-in counters that are located across the street, you can pick your car from there. They are located at the baggage claim areas A and B,.

Yes. DEN has six waiting lounges. American Airlines Admirals Club, Delta Sky Club, and USO Lounge are on concourse A. In concourse B, there’s United Club near gates B32 and B44, and Centurion Lounge is located in concourse C.

A pre-security outdoor pet relief area can be found outside door 200 at Jespersen Terminal, while post-security zones are at the center cores of A, B, and C Gates. The indoor pet relief rooms comply with the Americans with Disabilities Act and come fitted with artificial turf flooring, a drainage system, disposal bags and containers, wall-mounted clean-up sinks, and more.

Among airlines operating Denver to Kailua-Kona flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Denver and Kailua-Kona.

Flights from Denver to Kailua-Kona usually depart from Denver Intl (DEN) and arrive at Kona Intl (KOA).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Denver to Kailua-Kona:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $472 round-trip via Seattle/Tacoma Intl (SEA), compared to $801 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 757-200 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 777 variants.

One-stop flights from Denver to Kailua-Kona most commonly connect through:

• Seattle/Tacoma Intl (SEA) - 22% of one-stop connections
• San Francisco (SFO) - 21% of one-stop connections
• Los Angeles (LAX) - 16% of one-stop connections
• San Diego (SAN) - 15% of one-stop connections

Seattle/Tacoma Intl (SEA) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 23% on the Denver to Kailua-Kona route. Wednesday is the cheapest departure day at $601 round-trip on average, while Friday is the most expensive at $772, a difference of $171. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Afternoon is the busiest departure period on Denver to Kailua-Kona flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

These are the earliest and latest flight times available from Denver to Kailua-Kona:

• Earliest: departs at 12:00 pm and lands at 7:33 pm
• Latest: departs at 12:15 pm and lands at 7:48 pm.

The flight takes about 7h 33m.

Last-minute fares on this route - booked within 2 weeks of departure - run 5% above the route average of $669. Book 4 weeks before departure for the lowest fares.

A nonstop flight from Denver to Kailua-Kona takes 7h 33m, covering 3,323 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Denver to Kailua-Kona are currently lower than usual. Average one-way flight prices are about $303, which is 23% below the typical average for this route.

Flying via San Francisco (SFO) gives the shortest average 1-stop total travel time at 9h 16m, compared with 9h 28m via Sacramento Intl (SMF) and 9h 39m via Las Vegas Harry Reid Intl (LAS).

Kailua-Kona is 4 hours behind Denver (Hawaii-Aleutian Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Kona Intl Airport (KOA) hosts 5 major car rental companies, with daily rates starting from around $28 for economy cars. Top options include:
· Dollar
· Thrifty
· Budget
· Hertz
· Sixt

Round-trip flights from Denver to Kailua-Kona range from $514 to $803, with an average of $669 over the past 12 months. Anything below $514 counts as a good deal.