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$158+ Cheap flights from Kalispell to Boise (FCA - BOI)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BOI
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Kalispell to Boise

Discover tips and strategies to find the most affordable flight options for your journey from Kalispell (FCA) to Boise (BOI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 29, 2025.

Round-trip from

$239
(Delta)

One-way from

$158
(Alaska Airlines)

Popular in

September

Cheapest in

June

Average price

$330
From Kalispell Glacier Park to Boise Air Term. Gowen Fld
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One-way flight from Kalispell Glacier Park to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 20% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Kalispell to Boise

Cheapest flights from Kalispell to Boise
Explore the most affordable flight options available from Kalispell to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/205:20 amFCA - BOI
1 stop4h 25mDelta
Sat 8/236:00 pmBOI - FCA
1 stop5h 10mDelta
Deal found 7/28$239
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:02 pmFCA - BOI
1 stop3h 57mHawaiian Airlines
Sun 8/316:35 amBOI - FCA
1 stop5h 52mHawaiian Airlines
Deal found 7/28$290
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/278:02 pmFCA - BOI
2 stops11h 18mAlaska Airlines
Sun 8/316:35 amBOI - FCA
1 stop5h 52mAlaska Airlines
Deal found 7/28$332
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 8/215:15 pmFCA - BOI
2 stops20h 15mUnited Airlines
Sun 8/249:52 amBOI - FCA
2 stops27h 21mUnited Airlines
Deal found 7/27$606

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell to Boise 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 July 29, 2025.
Use the filters below to find and compare flights from Kalispell to Boise that are best for you.

Fly from

Kalispell

Fly to

Boise

Route

Depart

Return

Price

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Wed 8/20

5:20 am-9:45 am

1 stop4h 25m

Boise Air Term. Gowen Fld

Sat 8/23

6:00 pm-11:10 pm

1 stop5h 10m

$239

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Wed 8/27

8:02 pm-11:59 pm

1 stop3h 57m

Boise Air Term. Gowen Fld

Sun 8/31

6:35 am-12:27 pm

1 stop5h 52m

$290

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Wed 8/27

8:02 pm-7:20 am

2 stops11h 18m

Boise Air Term. Gowen Fld

Sun 8/31

6:35 am-12:27 pm

1 stop5h 52m

$332

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Thu 8/21

5:15 pm-1:30 pm

2 stops20h 15m

Boise Air Term. Gowen Fld

Sun 8/24

9:52 am-1:13 pm

2 stops27h 21m

$606

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Fri 10/3

2:15 pm-11:09 am

1 stop20h 54m

$158

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Tue 8/26

5:20 am-9:45 am

1 stop4h 25m

$180

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Tue 8/26

2:30 pm-1:49 pm

3 stops23h 19m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Best time to book a flight from Kalispell to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Kalispell 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 Kalispell to Boise

What is the cheapest month to book a flight from Kalispell to Boise?

Currently, October is the cheapest month in which you can book a flight from Kalispell to Boise (average of $314). Flying from Kalispell to Boise 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.

How much does it cost to fly round-trip from Kalispell to Boise?

Reviews of airlines servicing Boise

Get insights into the airlines that provide service to Boise. 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 Boise. Reviews last updated July 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Kalispell to Boise to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Entertainment

7.1

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

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

  • What are the cheapest airlines flying from Kalispell to Boise round-trip?

    Delta, at $239, was found to be the cheapest airline from Kalispell to Boise.Alternate airlines to your destination round-trip include Hawaiian Airlines and Alaska Airlines. These flights start at 43% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Kalispell to Boise one-way?

    The cheapest airlines for a one-way flight from Kalispell to Boise are Alaska Airlines ($158), Delta ($180), and United Airlines ($437).

  • Can I find deals for flights from Kalispell to Boise that include hotel bookings?

    Yes. In addition to deals on Kalispell to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kalispell to Boise?

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

  • Can I find deals for business class flights from Kalispell to Boise?

    Yes. Cheapflights offers flight deals from Kalispell to Boise 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 Kalispell to Boise?

    Currently, October is the cheapest month in which you can book a flight from Kalispell to Boise (average of $314). Flying from Kalispell to Boise 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.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Meridian
Nampa
Ontario
McCall
Caldwell

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Top 2 airlines flying from Kalispell to Boise

Discover the top 2 airlines that operate flights from Kalispell to Boise. 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$153Average$406FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$300Average$389FlexibilityNo cancel feeOn-time75%

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