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$240+ Cheap flights from Kalispell (FCA) 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
FCA — BOI
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap flight deals from Kalispell to Idaho

Keep the following information in mind while searching for Kalispell to Idaho flight deals. Data was last updated August 11, 2025.

Round-trip from

$382
(Delta)

One-way from

$240
(Delta)

Popular in

September

Cheapest in

June

Average price

$533
From Kalispell Glacier Park to Idaho
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One-way flight from Kalispell Glacier Park to Idaho
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Highest demand for flights based on searches. 17% potential increase in price ($90 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 August 2025
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Find flight deals from Kalispell to Idaho

Cheapest flights from Kalispell to Idaho
Explore the most affordable flight options available from Kalispell to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 11, 2025.

This Delta deal was found by Cheapflights users on 8/11. 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.
Thu 10/95:20 amFCA - BOI
1 stop4h 57mDelta
Sun 10/1211:12 amBOI - FCA
1 stop6h 16mDelta
Deal found 8/11$382
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 8/272:15 pmFCA - BOI
1 stop4h 01mAlaska Airlines
Sun 8/316:00 amBOI - FCA
2 stops13h 22mAlaska Airlines
Deal found 8/9$465
This Alaska Airlines deal was found by Cheapflights users on 8/9. 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 10/91:07 pmFCA - BOI
1 stop3h 36mAlaska Airlines
Sun 10/126:30 amBOI - FCA
2 stops7h 27mAlaska Airlines
Deal found 8/9$503
This Delta deal was found by Cheapflights users on 8/10. 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 8/265:20 amFCA - BOI
1 stop4h 25mDelta
Sat 8/306:00 pmBOI - FCA
1 stop5h 10mDelta
Deal found 8/10$527
This Delta deal was found by Cheapflights users on 8/8. 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.
Sun 9/75:20 amFCA - BOI
1 stop4h 28mDelta
Sun 9/145:43 pmBOI - FCA
1 stop6h 39mDelta
Deal found 8/8$534
This Delta deal was found by Cheapflights users on 8/10. 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.
Thu 8/215:20 amFCA - BOI
1 stop4h 25mDelta
Sun 8/246:00 pmBOI - FCA
1 stop6h 25mDelta
Deal found 8/10$577
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 8/262:15 pmFCA - BOI
2 stops8h 39mAlaska Airlines
Sat 8/305:45 pmBOI - FCA
1 stop6h 14mAlaska Airlines
Deal found 8/10$615

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kalispell 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 August 11, 2025.
Use the filters below to find and compare flights from Kalispell to Idaho that are best for you.

Fly from

Kalispell

Fly to

Idaho

Route

Depart

Return

Price

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Thu 10/9

5:20 am-10:17 am

1 stop4h 57m

Boise Air Term. Gowen Fld

Sun 10/12

11:12 am-5:28 pm

1 stop6h 16m

$382

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Wed 8/27

2:15 pm-6:16 pm

1 stop4h 01m

Boise Air Term. Gowen Fld

Sun 8/31

6:00 am-7:22 pm

2 stops13h 22m

$465

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Thu 10/9

1:07 pm-4:43 pm

1 stop3h 36m

Boise Air Term. Gowen Fld

Sun 10/12

6:30 am-1:57 pm

2 stops7h 27m

$503

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Tue 8/26

5:20 am-9:45 am

1 stop4h 25m

Boise Air Term. Gowen Fld

Sat 8/30

6:00 pm-11:10 pm

1 stop5h 10m

$527

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Sun 9/7

5:20 am-9:48 am

1 stop4h 28m

Boise Air Term. Gowen Fld

Sun 9/14

5:43 pm-12:22 am

1 stop6h 39m

$534

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Thu 8/21

5:20 am-9:45 am

1 stop4h 25m

Boise Air Term. Gowen Fld

Sun 8/24

6:00 pm-12:25 am

1 stop6h 25m

$577

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Tue 8/26

2:15 pm-10:54 pm

2 stops8h 39m

Boise Air Term. Gowen Fld

Sat 8/30

5:45 pm-11:59 pm

1 stop6h 14m

$615

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Wed 9/3

5:20 am-9:56 am

1 stop4h 36m

$240

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Wed 9/3

2:15 pm-9:57 pm

2 stops7h 42m

$252

KalispellBoise

FCA - BOI

FCABOI

Kalispell Glacier Park

Mon 8/18

6:33 am-10:45 am

1 stop4h 12m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 11 results
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Best time to book a flight from Kalispell to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Kalispell to Idaho (average of $314). Flying from Kalispell to Idaho in June is currently the most expensive (average of $399). 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.

What is the cheapest time of day to fly from FCA to ID?

Find hourly flight availability from Kalispell to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 11, 2025.

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

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 August 11, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, and United Airlines from Kalispell to Idaho by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Comfort

7.8

Overall

8.0

Boarding

8.1

Entertainment

7.0

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

Find useful and relevant information for your journey from Kalispell 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 Kalispell to Idaho?

    Located just 8.4 mi from the city center, Kalispell Glacier Park (FCA) is the airport most travelers will use when flying to Idaho from Kalispell.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Kalispell to Idaho (average of $314). Flying from Kalispell to Idaho in June is currently the most expensive (average of $399). 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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Alternative routes for Kalispell to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kalispell to Idaho

Discover the top 2 airlines that operate flights from Kalispell 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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$153Average$372FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$300Average$389FlexibilityNo cancel feeOn-time75%

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