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$222 Cheap Flights from Denver (DEN) to Hilo (ITO)

View $222 flight on Tue, Nov 10, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Hilo Intl. Airport (ITO)

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Cheap Flights from Denver to Hilo (DEN-ITO)

Prices were available within the past 7 days and start at $222 for one-way flights and $460 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Nov 3 - Wed, Nov 4
DEN
Denver
ITO
Hawaii Island
$460 Roundtrip, found 2 days ago
$460
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Nov 3 from Denver to Hawaii Island, returning Wed, Nov 4, priced at $460 found 2 days ago
American Airlines
Mon, Oct 26 - Fri, Oct 30
DEN
Denver
ITO
Hawaii Island
$493 Roundtrip, found 7 hours ago
$493
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Oct 26 from Denver to Hawaii Island, returning Fri, Oct 30, priced at $493 found 7 hours ago
American Airlines
Mon, Oct 26 - Fri, Oct 30
DEN
Denver
ITO
Hawaii Island
$500 Roundtrip, found 7 hours ago
$500
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Mon, Oct 26 from Denver to Hawaii Island, returning Fri, Oct 30, priced at $500 found 7 hours ago
American Airlines
Tue, Nov 3 - Wed, Nov 4
DEN
Denver
ITO
Hawaii Island
$501 Roundtrip, found 2 days ago
$501
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Nov 3 from Denver to Hawaii Island, returning Wed, Nov 4, priced at $501 found 2 days ago
American Airlines
Mon, Oct 19 - Thu, Oct 29
DEN
Denver
ITO
Hawaii Island
$503 Roundtrip, found 2 days ago
$503
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 19 from Denver to Hawaii Island, returning Thu, Oct 29, priced at $503 found 2 days ago
Southwest Airlines
Sun, Nov 8 - Thu, Nov 12
DEN
Denver
ITO
Hawaii Island
$506 Roundtrip, found 2 days ago
$506
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sun, Nov 8 from Denver to Hawaii Island, returning Thu, Nov 12, priced at $506 found 2 days ago
Southwest Airlines
Tue, Nov 3 - Wed, Nov 4
DEN
Denver
ITO
Hawaii Island
$508 Roundtrip, found 2 days ago
$508
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Tue, Nov 3 from Denver to Hawaii Island, returning Wed, Nov 4, priced at $508 found 2 days ago
Southwest Airlines
Tue, Oct 27 - Wed, Oct 28
DEN
Denver
ITO
Hawaii Island
$512 Roundtrip, found 4 days ago
$512
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Oct 27 from Denver to Hawaii Island, returning Wed, Oct 28, priced at $512 found 4 days ago
Alaska Airlines
Thu, Feb 18 - Wed, Mar 3
DEN
Denver
ITO
Hawaii Island
$537 Roundtrip, found 1 day ago
$537
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Feb 18 from Denver to Hawaii Island, returning Wed, Mar 3, priced at $537 found 1 day ago
United
Mon, Oct 26 - Fri, Oct 30
DEN
Denver
ITO
Hawaii Island
$585 Roundtrip, found 7 hours ago
$585
Roundtrip
found 7 hours ago
Select United flight, departing Mon, Oct 26 from Denver to Hawaii Island, returning Fri, Oct 30, priced at $585 found 7 hours ago

Alternative airports

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Hilo Intl. ITO. Cheapest option available. Flights from $831
ITO
Hilo Intl.
Cheapest
Flights from $831

What you need to know for your flight from Denver Intl. to Hilo Intl.

Denver (DEN) to Hilo (ITO) at a glance

Travel between Denver (DEN) and Hilo (ITO) with a selection of airlines on this domestic long-haul route. Review options for cheap Denver to Hilo flights, whether you prefer full-service or budget carriers, to discover the itinerary that aligns with your travel plans and budget. As you plan your journey to explore Hilo's renowned attractions and neighborhoods, find essential details for flights departing from Denver International Airport (DEN) to Hilo International Airport (ITO).

  • Fastest flight duration: around 8 hours in-flight, plus roughly 1h 45m layover with one stop
  • Route distance: roughly 3,300 miles (5,310 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $200–$795, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to Hilo International Airport (ITO)

Based on the latest traveler bookings, here are the top airlines preferred for flights from Denver to Hilo, including both multi-stop and one-stop options. Popular layover airports include Daniel K. Inouye International Airport (HNL) with about a 1.5-hour layover, Seattle-Tacoma International Airport (SEA) with approximately a 2-hour layover, and Sacramento International Airport (SMF), also around 2 hours. This allows you to mix and match price, total travel time, and cabin class to secure the ideal itinerary.

  • Southwest Airlines: This budget-friendly airline provides multi-stop routes, with one-way ticket prices generally between $245 and $555. It comprises about 48% of flights along this path, featuring an in-flight duration of 9 hours and 45 minutes, with a total travel time of approximately 13 hours and 15 minutes, including layovers.
  • United: As a full-service airline, United offers both one-stop and multi-stop options, with fares for one-way journeys typically falling between $265 and $860. It accounts for around 30% of departures on this route, usually involving 1-stop flights that last about 8 hours in the air, totaling around 9 hours and 45 minutes for the entire trip.
  • Alaska Airlines: This full-service airline features multi-stop travel, with one-way fares generally ranging from $200 to $1605. It makes up approximately 18% of the departures for this route, with an in-flight duration of 9 hours and 45 minutes and an overall travel time of roughly 13 hours and 15 minutes when accounting for layovers.

Best time to fly from Denver (DEN) to Hilo (ITO)

The most popular months for travelers flying from Denver to Hilo are January, February, and April, when peak temperatures in Hilo reach up to 68.9°F in January. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 73.4°F and typically the lowest average one-way fare (around $273). Flight availability peaks in December, with approximately 9 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $273, roughly 40% cheaper than the yearly average.
  • Most flight options: December has the highest number of flights from Denver to Hilo, with approximately 9 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January68.9°F (20.5°C)High7$519
February68.2°F (20.1°C)High7$350
March68.0°F (20.0°C)Average7$346
April68.2°F (20.1°C)High7$373
May69.4°F (20.8°C)Average8$412
June70.7°F (21.5°C)Average7$589
July72.1°F (22.3°C)Average7$743
August72.5°F (22.5°C)Average7$413
September73.4°F (23.0°C)Low7$273
October73.4°F (23.0°C)Average7$376
November71.2°F (21.8°C)Low8$497
December69.4°F (20.8°C)Low9$620

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Denver (DEN) to Hilo (ITO)

  • Denver to Kailua-Kona (DEN-KOA): Kona International Airport (KOA) is located approximately 65 miles from Hilo International Airport (ITO). On this route, one-way economy fares generally fall between $165 and $615, influenced by the season and how early you make your reservations. Travelers can choose from both direct and one-stop flights, with common layover points at Los Angeles International Airport (LAX) and Seattle - Tacoma International Airport (SEA). Major airlines servicing this route include United and American Airlines, with options for business and first-class service available as well.

How to find the best prices for flights from Denver (DEN) to Hilo (ITO)

Getting some of the best deals on flights from Denver to Hilo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Departures in the afternoon (12pm-6pm) often offer lower prices, while morning flights (5am-12pm) are the most sought after. Additionally, flying on Saturday typically results in cheaper fares, though Monday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Hilo hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Hilo International Airport from Denver International Airport

Hilo welcomes travelers from Denver with a range of transport options based on price, convenience, and proximity. Here's how to reach Hilo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Hilo, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Hilo International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Hilo International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Hilo International Airport, Hilo Seaport, a seaport, is located about 4.2 miles away by car.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) cost?
You can find cheap one-way flights from $222 and cheap return flights from $460 Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) with Expedia. One-way flights generally range between $264 and $1105, and roundtrip flights usually range from $518 to $1480. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
April is the cheapest month to fly from Denver to Hilo, with average round-trip fares around $462. This price is about 33% lower than the average throughout the year, as demand tends to decrease before the summer travel season. Other economical months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
Enter DEN to ITO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Denver Intl. (DEN) to Hilo Intl. (ITO), with round-trip tickets starting from around $377. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
The best times to fly from Denver (DEN) to Hilo (ITO) are in February and April. With average return flight prices around $462, these months provide a good mix of affordability and travel options. February is particularly appealing for its mild weather, while April offers beautiful spring scenery in Hawaii.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
The earliest flight from Denver (DEN) to Hilo (ITO) typically leaves at around 12:20 AM, operated by Delta and Hawaiian Airlines. This is a seasonal service active in December, allowing you to maximize your time in Hilo. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
The most popular departure times for flights from Denver Intl. (DEN) to Hilo Intl. (ITO) are in the early morning, from 6am to 9am. About 65% of passengers prefer this time window. Southwest Airlines, Alaska Airlines, and Hawaiian Airlines operate flights during this period. This timing works well because it allows you to maximize your day in Hilo after arrival.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
Flying from DEN to ITO with a connection usually takes about 10 hours, traveling roughly 3,274 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
First class seats are offered on the DEN to ITO route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Hilo from Denver Intl. (DEN)?
If you're planning to travel to Hilo from Denver Intl. (DEN), you can fly into Hilo Intl. (ITO) Some flights may connect through major hubs like Harry Reid Intl. (LAS), Seattle - Tacoma Intl. (SEA), Los Angeles Intl. (LAX) before reaching Hilo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Hilo, HI (ITO-Hilo Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Hilo Intl.
Airlines serving
Alaska Airlines, American Airlines, Southwest Airlines, United
Roundtrip price
$459
Distance
3273 mi

Book with confidence

Denver to Hilo Flights

The cheapest times to fly from Denver to Hilo

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

 

The best time to book a flight from Denver to Hilo

Sunday is one of the best days to book for cheap flights from Denver to Hilo: 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 Hilo

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 Hilo in 2026. You can also book with separate airlines for your outbound and return journeys, from $222 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 Hilo 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 Hilo 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.

 

Denver to Hilo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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