$435 Cheap Flights from Great Falls (GTF) to Hilo (ITO)

View $435 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Great Falls, MT (GTF-Great Falls Intl.) to Hilo Intl. Airport (ITO)

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Cheap Flights from Great Falls to Hilo (GTF-ITO)

Prices were available within the past 7 days and start at $435 for one-way flights and $770 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
GTF
Great Falls
ITO
Hawaii Island
$770 Roundtrip, found 11 hours ago
$770
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Great Falls to Hawaii Island, returning Wed, Jan 21, priced at $770 found 11 hours ago
Alaska Airlines
Wed, Jan 7 - Wed, Jan 14
GTF
Great Falls
ITO
Hawaii Island
$873 Roundtrip, found 1 day ago
$873
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 7 from Great Falls to Hawaii Island, returning Wed, Jan 14, priced at $873 found 1 day ago
Alaska Airlines
Wed, Jan 14 - Wed, Jan 21
GTF
Great Falls
ITO
Hawaii Island
$875 Roundtrip, found 11 hours ago
$875
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Great Falls to Hawaii Island, returning Wed, Jan 21, priced at $875 found 11 hours ago
Alaska Airlines
Wed, Jan 7 - Wed, Jan 14
GTF
Great Falls
ITO
Hawaii Island
$879 Roundtrip, found 1 day ago
$879
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 7 from Great Falls to Hawaii Island, returning Wed, Jan 14, priced at $879 found 1 day ago
Alaska Airlines
Wed, Jan 14 - Sat, Jan 24
GTF
Great Falls
ITO
Hawaii Island
$904 Roundtrip, found 1 day ago
$904
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Great Falls to Hawaii Island, returning Sat, Jan 24, priced at $904 found 1 day ago
Alaska Airlines
Mon, Mar 9 - Fri, Mar 20
GTF
Great Falls
ITO
Hawaii Island
$905 Roundtrip, found 1 hour ago
$905
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Mon, Mar 9 from Great Falls to Hawaii Island, returning Fri, Mar 20, priced at $905 found 1 hour ago
Alaska Airlines
Wed, Jan 14 - Sat, Jan 24
GTF
Great Falls
ITO
Hawaii Island
$909 Roundtrip, found 1 day ago
$909
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Wed, Jan 14 from Great Falls to Hawaii Island, returning Sat, Jan 24, priced at $909 found 1 day ago
Alaska Airlines
Fri, Jan 16 - Fri, Jan 23
GTF
Great Falls
ITO
Hawaii Island
$934 Roundtrip, found 1 day ago
$934
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Great Falls to Hawaii Island, returning Fri, Jan 23, priced at $934 found 1 day ago
Delta
Fri, Jan 16 - Fri, Jan 23
GTF
Great Falls
ITO
Hawaii Island
$1,137 Roundtrip, found 1 day ago
$1,137
Roundtrip
found 1 day ago
Select Delta flight, departing Fri, Jan 16 from Great Falls to Hawaii Island, returning Fri, Jan 23, priced at $1,137 found 1 day ago
United
Wed, Jan 14 - Sat, Jan 24
GTF
Great Falls
ITO
Hawaii Island
$1,224 Roundtrip, found 1 day ago
$1,224
Roundtrip
found 1 day ago
Select United flight, departing Wed, Jan 14 from Great Falls to Hawaii Island, returning Sat, Jan 24, priced at $1,224 found 1 day ago
Flights from Great Falls (GTF) to Hilo (ITO)
Origin airport
Great Falls Intl.
Destination airport
Hilo Intl.
Airlines serving
Alaska Airlines, Delta, United
Roundtrip price
$770
Distance
3099 mi

Great Falls to Hilo Flights

The cheapest times to fly from Great Falls 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 Great Falls to Hilo are during the month of January. You can find some of the cheapest flights from Great Falls to Hilo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Great Falls to Hilo

Sunday is one of the best days to book for cheap flights from Great Falls 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 Great Falls 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 Great Falls to Hilo in 2025. You can also book with separate airlines for your outbound and return journeys, from $435 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 Great Falls 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 Great Falls 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.

 

Frequently asked questions

How much does a flight from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO) cost?
Discover the latest flight deals from GTF to ITO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from GTF to ITO?
The cheapest flights from GTF to ITO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from GTF to ITO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from GTF to ITO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO)?
Direct flights from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from GTF to ITO?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO)?
Select a flight from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO) that leaves before 3 PM to reduce the risk of cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO) last-minute?
Waiting until just before your trip to book a ticket from GTF to ITO often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of snagging a bargain.
Is it cheaper to book a GTF to ITO flight and hotel package?
Compared with arranging flights and hotels separately, booking a GTF to ITO flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the stress out of travel planning. Simply secure your flights and select from our extensive range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Great Falls Intl. Airport (GTF) to Hilo Intl. Airport (ITO)?
If you reserved your GTF to ITO flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.