In terms of precipitation, rainfall in Hilo ranges from 7.4 - 15.5 inches per month. November is typically the wettest month, when rainfall can reach 15.5 in. June is typically the driest time to visit Hilo when rainfall is around 7.4 in.

If weather is an important factor for your trip to Hilo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 71.6 F).

What is the cheapest time of day to fly from GTF to ITO?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Great Falls to Hilo as you normally would.

Most accurate provider : When it comes to deals on Great Falls-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Hilo flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Great Falls-Hilo 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 Great Falls-Hilo flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Great Falls to Hilo that include hotel bookings?

Yes. In addition to deals on Great Falls to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Great Falls to Hilo?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Hilo.

Can I find deals for business class flights from Great Falls to Hilo?

Yes. Cheapflights offers flight deals from Great Falls to Hilo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$338+ Flights from Great Falls to Hilo

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Cheap flight deals from Great Falls to Hilo

Cheapest flights from Great Falls to Hilo
Explore the most affordable flight options available from Great Falls to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

sáb. 2/286:28 pm

GTF

ITO

2 stops31h 07m

Multiple Airlines

mié. 3/45:59 pm

ITO

GTF

2 stops19h 18m

Multiple Airlines

Deal found 1/25

$527

dom. 3/14:57 pm

GTF

ITO

2 stops28h 49m

Multiple Airlines

mar. 3/311:46 pm

ITO

GTF

2 stops22h 40m

Multiple Airlines

Deal found 1/26

$573

mar. 2/174:57 pm

GTF

ITO

2 stops26h 03m

Multiple Airlines

mar. 3/178:30 pm

ITO

GTF

2 stops15h 56m

Multiple Airlines

Deal found 1/26

$789

mar. 2/35:59 pm

GTF

ITO

2 stops28h 05m

Multiple Airlines

mar. 3/178:30 pm

ITO

GTF

2 stops15h 56m

Multiple Airlines

Deal found 1/25

$825

jue. 2/55:59 pm

GTF

ITO

2 stops31h 35m

Multiple Airlines

mar. 3/177:36 pm

ITO

GTF

2 stops16h 50m

Multiple Airlines

Deal found 1/25

$835

Best flights from Great Falls to Hilo
Discover carefully curated flight deals from Great Falls to Hilo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated enero 26, 2026.

sáb. 2/286:28 pm

GTF

ITO

2 stops31h 07m

Multiple Airlines

mié. 3/45:59 pm

ITO

GTF

2 stops19h 18m

Multiple Airlines

Deal found 1/24

$527

dom. 3/14:57 pm

GTF

ITO

2 stops28h 49m

Multiple Airlines

mar. 3/311:46 pm

ITO

GTF

2 stops22h 40m

Multiple Airlines

Deal found 1/26

$573

mar. 2/174:57 pm

GTF

ITO

2 stops26h 03m

Multiple Airlines

mar. 3/178:30 pm

ITO

GTF

2 stops15h 56m

Multiple Airlines

Deal found 1/26

$789

jue. 2/55:59 pm

GTF

ITO

2 stops31h 35m

Multiple Airlines

mar. 3/177:36 pm

ITO

GTF

2 stops16h 50m

Multiple Airlines

Deal found 1/25

$835

Last-minute flights from Great Falls to Hilo
Discover last-minute flight deals from Great Falls to Hilo. Data last updated enero 26, 2026 and is based on user searches.

mar. 2/35:59 pm

GTF

ITO

2 stops23h 33m

Multiple Airlines

mar. 3/178:30 pm

ITO

GTF

2 stops15h 56m

Multiple Airlines

Deal found 1/24

$825

jue. 2/55:59 pm

GTF

ITO

2 stops31h 35m

Multiple Airlines

mar. 3/177:36 pm

ITO

GTF

2 stops16h 50m

Multiple Airlines

Deal found 1/25

$835

mar. 2/174:57 pm

GTF

ITO

2 stops22h 59m

Multiple Airlines

mar. 3/176:44 pm

ITO

GTF

2 stops17h 42m

Multiple Airlines

Deal found 1/24

$744

sáb. 2/286:28 pm

GTF

ITO

2 stops31h 07m

Multiple Airlines

mié. 3/45:59 pm

ITO

GTF

2 stops19h 18m

Multiple Airlines

Deal found 1/25

$527

One-way flights from Great Falls to Hilo
Search for one-way flight options from Great Falls to Hilo. Find affordable one-way fares based on user searches. Data last updated enero 26, 2026.

dom. 3/14:57 pm

GTF

ITO

2 stops28h 49m

Multiple Airlines

Deal found 1/26

$338

Find flight deals from Great Falls to Hilo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$527 (Alaska Airlines)
One-way from	$338 (Alaska Airlines)

Provider with most accurate pricing for Great Falls-Hilo Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Great Falls-Hilo Intl flights.

Search Deals

From Great Falls to Hilo Intl

Search Deals

One-way flight from Great Falls to Hilo Intl

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Great FallsHilo

GTF - ITO

GTFITO

Great Falls

sáb. 2/28

6:28 pm-10:35 pm

2 stops31h 07m

Hilo Intl

mié. 3/4

5:59 pm-4:17 pm

2 stops19h 18m

$527

Great FallsHilo

GTF - ITO

GTFITO

Great Falls

dom. 3/1

4:57 pm-6:46 pm

2 stops28h 49m

Hilo Intl

mar. 3/31

1:46 pm-4:26 pm

2 stops22h 40m

$573

Great FallsHilo

GTF - ITO

GTFITO

Great Falls

mar. 2/17

4:57 pm-4:00 pm

2 stops26h 03m

Hilo Intl

mar. 3/17

8:30 pm-4:26 pm

2 stops15h 56m

$789

Great FallsHilo

GTF - ITO

GTFITO

Great Falls

jue. 2/5

5:59 pm-10:34 pm

2 stops31h 35m

Hilo Intl

mar. 3/17

7:36 pm-4:26 pm

2 stops16h 50m

$835

Great FallsHilo

GTF - ITO

GTFITO

Great Falls

dom. 3/1

4:57 pm-4:00 pm

2 stops26h 03m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Most accurate provider: When it comes to deals on Great Falls-Hilo flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Great Falls-Hilo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Great Falls-Hilo flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Great Falls-Hilo 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 Great Falls-Hilo 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 Great Falls to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Great Falls 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.

Related info for your journey

Can I find deals for flights from Great Falls to Hilo that include hotel bookings?
Yes. In addition to deals on Great Falls to Hilo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Great Falls to Hilo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Great Falls to Hilo.
Can I find deals for business class flights from Great Falls to Hilo?
Yes. Cheapflights offers flight deals from Great Falls to Hilo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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$338+ Cheap flights from Great Falls to Hilo (GTF - ITO)

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Great Falls to Hilo with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Great Falls to Hilo

Cheapest flights from Great Falls to HiloExplore the most affordable flight options available from Great Falls to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

Explore the most affordable flight options available from Great Falls to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.

Find flight deals from Great Falls to Hilo

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Great Falls to Hilo that are best for you.

Best time to book a flight from Great Falls to Hilo

Have a flexible travel schedule? Discover the best time to fly to Hilo from Great Falls with our price prediction graph.

Related info for your journey

Find useful and relevant information for your journey from Great Falls to Hilo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Great Falls to Hilo that include hotel bookings?

How can I find direct flights from Great Falls to Hilo?

Can I find deals for business class flights from Great Falls to Hilo?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Great Falls to Hilo

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Cheapest flights from Great Falls to Hilo
Explore the most affordable flight options available from Great Falls to Hilo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 26, 2026.