Cheap Flights from Denver to Hilo from $377

Frequently Asked Questions

• What are the cheapest flights from Denver to Hilo (DEN-ITO)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $377 on Cheapest nonstop routes (e.g. DEN to ITO on Tue, Sep 29), while United Airlines offers Cheapest nonstop round-trips from $680 departing on Mon, Oct 26 and returning on Fri, Oct 30.

• Which airlines offer flights from Denver to Hilo?

  At the moment, several airlines serve connecting flights from Denver to Hilo, including: American Airlines Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.

• When is the best time to book flights from Denver to Hilo?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Denver to Hilo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How can I find the best deals on flights from Denver to Hilo?

  To find best deals on flights from Denver to Hilo, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 29, with one-way flights priced at just $377.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Hilo travel is around January.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Denver (DEN) to Hilo (ITO) the cheapest?

  The cheapest months to fly from Denver to Hilo is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Denver to Hilo on?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Denver to Hilo on September 8, 2026 with United Airlines, with prices starting at $631.

• Which airports can I fly into Hilo from Denver?

  You can arrive at any of the following airports in Hilo: Hilo International Airport (ITO). Flights from Denver International Airport to Hilo International Airport (DEN-ITO) are by far the most popular option for this route.

• Is there any time difference between Denver and Hilo?

  The time difference between Hilo and Denver is 3h.

• How do I change or cancel my ticket from Denver to Hilo?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Denver to Hilo?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Denver to Hilo is $449. Fares vary by travel date, airline and availability.

• How do I book flights from Denver to Hilo on Trip.com?

  Enter Denver and Hilo, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.