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$279+ Cheap flights from Great Falls (GTF) to Idaho

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
GTF — BOI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(Delta)

Popular in

November

Cheapest in

August

Average price

$665
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
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/175:45 amGTF - BOI
1 stop3h 45mDelta
Sat 6/216:00 amBOI - GTF
1 stop5h 01mDelta
Deal found 3/26$279
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 4/246:07 pmGTF - BOI
1 stop4h 32mAlaska Airlines
Mon 4/285:35 pmBOI - GTF
2 stops23h 52mAlaska Airlines
Deal found 3/27$399
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/112:20 pmGTF - BOI
2 stops21h 04mUnited Airlines
Tue 4/157:30 amBOI - GTF
2 stops13h 43mUnited Airlines
Deal found 3/27$549

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 March 28, 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

Tue 6/17

5:45 am-9:30 am

1 stop3h 45m

Boise Air Term. Gowen Fld

Sat 6/21

6:00 am-11:01 am

1 stop5h 01m

$279

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Thu 4/24

6:07 pm-10:39 pm

1 stop4h 32m

Boise Air Term. Gowen Fld

Mon 4/28

5:35 pm-5:27 pm

2 stops23h 52m

$399

Great FallsBoise

GTF - BOI

GTFBOI

Great Falls

Fri 4/11

2:20 pm-11:24 am

2 stops21h 04m

Boise Air Term. Gowen Fld

Tue 4/15

7:30 am-9:13 pm

2 stops13h 43m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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

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 $421). 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.

Rainfall in Idaho by month

Plan your trip to Idaho by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

Plan your trip to Idaho by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

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 March 28, 2025.
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • 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 $421). 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.

See more FAQs

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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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$367FlexibilityNo cancel feeOn-timeN/A
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