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$132+ Cheap flights from Great Falls (GTF) to Idaho

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOI
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Great Falls to Idaho

Keep the following information in mind while searching for Great Falls to Idaho flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$223
(Hawaiian Airlines)

One-way from

$132
(Alaska Airlines)

Popular in

November

Cheapest in

February

Average price

$329
Provider with most accurate pricing for Great Falls-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Great Falls-Boise Air Term. Gowen Fld flights.
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From Great Falls to Idaho
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One-way flight from Great Falls to Idaho
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Highest demand for flights based on searches. 15% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Great Falls to Idaho

Cheapest flights from Great Falls to Idaho
Explore the most affordable flight options available from Great Falls to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:50 pmGTF - BOI
1 stop17h 46mAlaska Airlines
Mon 11/34:57 pmBOI - GTF
1 stop25h 13mAlaska Airlines
Deal found 9/29$252
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:15 pmGTF - BOI
1 stop4h 50mAlaska Airlines
Sat 11/111:43 amBOI - GTF
1 stop6h 27mAlaska Airlines
Deal found 9/30$284
This Alaska Airlines deal was found by Cheapflights users on 9/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:50 pmGTF - BOI
1 stop5h 04mAlaska Airlines
Fri 11/146:45 pmBOI - GTF
2 stops23h 25mAlaska Airlines
Deal found 9/30$288
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:50 pmGTF - BOI
1 stop23h 12mAlaska Airlines
Sun 11/25:28 amBOI - GTF
1 stop11h 42mAlaska Airlines
Deal found 10/1$350
This Alaska Airlines deal was found by Cheapflights users on 10/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:50 pmGTF - BOI
1 stop5h 04mAlaska Airlines
Sun 11/96:28 amBOI - GTF
1 stop11h 42mAlaska Airlines
Deal found 10/1$375

Cheapflights Fare Finder

 
Customize your flight search to find flights from Great Falls to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
Use the filters below to find and compare flights from Great Falls to Idaho that are best for you.

Fly from

Great Falls

Fly to

Idaho

Route

Depart

Return

Price

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

4:00 pm-10:20 pm

1 stop6h 20m

Boise Air Term. Gowen Fld

Tue 3/3

9:50 am-3:20 pm

1 stop5h 30m

$223

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 2/28

5:30 am-12:18 pm

1 stop6h 48m

Boise Air Term. Gowen Fld

Tue 3/3

5:40 am-10:53 pm

2 stops17h 13m

$249

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 10/27

6:50 pm-12:36 pm

1 stop17h 46m

Boise Air Term. Gowen Fld

Mon 11/3

4:57 pm-6:10 pm

1 stop25h 13m

$252

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 10/25

6:15 pm-11:05 pm

1 stop4h 50m

Boise Air Term. Gowen Fld

Sat 11/1

11:43 am-6:10 pm

1 stop6h 27m

$284

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Mon 11/10

6:50 pm-11:54 pm

1 stop5h 04m

Boise Air Term. Gowen Fld

Fri 11/14

6:45 pm-6:10 pm

2 stops23h 25m

$288

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 11/15

6:50 pm-10:29 am

1 stop15h 39m

$132

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Sat 11/15

6:50 pm-10:08 pm

3 stops27h 18m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Best time to book a flight from Great Falls to Idaho

Have a flexible travel schedule? Discover the best time to fly to Idaho 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.

Cheapflights Insights

Everything you need to know about your flight from Great Falls to Idaho
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated October 2, 2025.
See what other customers who have flown with Delta from Great Falls to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,962 reviews
Delta
8.0
Very good
7,962 reviews

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What airport do you fly from for flights from Great Falls to Idaho?

    For a flight from Great Falls to Idaho, you will be flying from Great Falls. Great Falls (GTF) is just 3.5 mi from the center of the city.

  • How long is the flight from Great Falls to Idaho?

    Departing from Great Falls to Idaho will take you 6h 20m. The distance from Great Falls to Idaho is about 358 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Great Falls to Idaho?

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

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

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

  • What is the cheapest month to book a flight from Great Falls to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Great Falls to Idaho (average of $314). Flying from Great Falls to Idaho in June is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Great Falls to Idaho

Discover the top airline that operate flights from Great Falls to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$366FlexibilityNo cancel feeOn-timeN/A

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