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Kalispell

$158+ Cheap flights from Boston to Kalispell (BOS - FCA)

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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FCA
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Kalispell Glacier Park are usually found in January or November, booked 69 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Boston to Kalispell

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Kalispell (FCA). 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 April 15, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(Delta)

One-way from

$158
(Alaska Airlines)

Popular in

July

Cheapest in

January

Average price

$583
Provider with most accurate pricing for Boston Logan Intl-Kalispell Glacier Park flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Kalispell Glacier Park flights.
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From Boston Logan Intl to Kalispell Glacier Park
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One-way flight from Boston Logan Intl to Kalispell Glacier Park
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Highest demand for flights based on searches. 13% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Boston to Kalispell

Cheapest flights from Boston to Kalispell
Explore the most affordable flight options available from Boston to Kalispell. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Delta deal was found by Cheapflights users on 4/14. 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.
Fri 6/65:45 amBOS - FCA
1 stop9h 33mDelta
Mon 6/96:11 pmFCA - BOS
1 stop10h 17mDelta
Deal found 4/14$317
This American Airlines deal was found by Cheapflights users on 4/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:15 amBOS - FCA
1 stop9h 30mAmerican Airlines
Tue 9/24:53 pmFCA - BOS
1 stop15h 59mAmerican Airlines
Deal found 4/15$324
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 5/216:00 amBOS - FCA
1 stop9h 00mAlaska Airlines
Tue 6/34:19 pmFCA - BOS
1 stop11h 51mAlaska Airlines
Deal found 4/14$347
This Hawaiian Airlines deal was found by Cheapflights users on 4/15. 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 5/216:00 amBOS - FCA
1 stop9h 00mHawaiian Airlines
Mon 6/26:32 pmFCA - BOS
1 stop10h 48mHawaiian Airlines
Deal found 4/15$378
This Mytrip deal was found by Cheapflights users on 4/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1511:52 amBOS - FCA
2 stops33h 15mMultiple Airlines
Sun 5/1810:25 amFCA - BOS
2 stops20h 16mMultiple Airlines
Deal found 4/13$380
This United deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:00 amBOS - FCA
2 stops9h 59mUnited Airlines
Tue 8/261:48 pmFCA - BOS
2 stops14h 10mUnited Airlines
Deal found 4/14$427

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Kalispell 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 April 15, 2025.
Use the filters below to find and compare flights from Boston to Kalispell that are best for you.

Fly from

Boston

Fly to

Kalispell

Route

Depart

Return

Price

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Fri 6/6

5:45 am-1:18 pm

1 stop9h 33m

Kalispell Glacier Park

Mon 6/9

6:11 pm-6:28 am

1 stop10h 17m

$317

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 5/21

6:00 am-1:00 pm

1 stop9h 00m

Kalispell Glacier Park

Tue 6/3

4:19 pm-6:10 am

1 stop11h 51m

$347

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 5/21

6:00 am-1:00 pm

1 stop9h 00m

Kalispell Glacier Park

Mon 6/2

6:32 pm-7:20 am

1 stop10h 48m

$378

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Thu 5/15

11:52 am-7:07 pm

2 stops33h 15m

Kalispell Glacier Park

Sun 5/18

10:25 am-8:41 am

2 stops20h 16m

$380

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Thu 7/3

5:00 am-4:09 pm

1 stop13h 09m

Kalispell Glacier Park

Tue 7/8

4:53 pm-10:52 am

1 stop15h 59m

$432

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Thu 6/26

3:18 pm-10:48 pm

1 stop9h 30m

Kalispell Glacier Park

Tue 7/1

4:12 pm-6:14 am

1 stop12h 02m

$435

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Fri 6/27

10:39 am-9:07 pm

2 stops12h 28m

Kalispell Glacier Park

Sun 7/6

10:40 am-9:49 am

2 stops21h 09m

$802

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 5/14

7:00 am-3:30 pm

1 stop10h 30m

$158

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Fri 5/2

6:39 pm-12:22 am

1 stop7h 43m

$159

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Sat 6/21

9:58 am-9:50 am

2 stops25h 52m

$197

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 13 results
1
2

Compare providers for flights from Boston to Kalispell

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kalispell in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

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

How far ahead should I book a flight from Boston to Kalispell?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Kalispell. Price data was last updated on April 11, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Kalispell, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Kalispell (average of $373). Flying from Boston to Kalispell in July is currently the most expensive (average of $637). 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 BOS to FCA?

Find hourly flight availability from Boston to Kalispell. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Kalispell at noon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the afternoon.

Rainfall in Kalispell by month

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

In terms of precipitation, rainfall in Kalispell ranges from 1.0 - 2.6 inches per month. June is typically the wettest month, when rainfall can reach 2.6 in. February is typically the driest time to visit Kalispell when rainfall is around 1.0 in.

Temperature in Kalispell by month

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

If weather is an important factor for your trip to Kalispell, 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 64.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Kalispell

Get insights into the airlines that provide service to Kalispell. 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 Kalispell. Reviews last updated April 15, 2025.
To help decide which airline to fly from Boston to Kalispell, see what other customers have to say about Alaska Airlines, Delta and Hawaiian Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,876 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,374 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,658 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,876 reviews

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.1

Comfort

7.9

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Boston to Kalispell. 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 Boston to Kalispell round-trip?

    Our cheapest airline available from Boston to Kalispell is Delta. Our recent data shows that you can find tickets from as low as $317 on this airline. Additional options worth looking into are American Airlines and Hawaiian Airlines, starting at $324 and $347 round-trip. Delta is 46% cheaper than the average price of flights available within the next 90 days to this destination.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $158. Delta flights start at $159 while deals on Hawaiian Airlines start at $309 one-way.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Boston to Kalispell (average of $373). Flying from Boston to Kalispell in July is currently the most expensive (average of $637). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
East Glacier Park
Polson

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Top 4 airlines flying from Boston to Kalispell

Discover the top 4 airlines that operate flights from Boston to Kalispell. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$575FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$370Average$655FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$397Average$736FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$415Average$605FlexibilityNo cancel feeOn-time71%

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