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Kalispell

$164+ 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 5/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — FCA
maj 4 — maj 111
ndz. 5/4
ndz. 5/11
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 Kwiecień 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$236
(American Airlines)

One-way from

$164
(Delta)

Popular in

July

Cheapest in

January

Average price

$584
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 Kwiecień 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pt. 6/65:00 amBOS - FCA
1 stop11h 37mAmerican Airlines
wt. 6/1011:44 amFCA - BOS
1 stop8h 08mAmerican Airlines
Deal found 4/28$236
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 6/56:00 amBOS - FCA
1 stop9h 00mHawaiian Airlines
śr. 6/111:40 pmFCA - BOS
1 stop8h 26mHawaiian Airlines
Deal found 4/29$243
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
śr. 5/284:30 pmBOS - FCA
1 stop9h 28mAlaska Airlines
śr. 6/44:19 pmFCA - BOS
1 stop11h 51mAlaska Airlines
Deal found 4/28$269
This Delta deal was found by Cheapflights users on 4/28. 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.
pt. 6/62:35 pmBOS - FCA
2 stops11h 55mDelta
pon. 6/96:11 pmFCA - BOS
1 stop10h 17mDelta
Deal found 4/28$302
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wt. 5/137:30 amBOS - FCA
1 stop10h 43mUnited Airlines
sob. 5/172:33 pmFCA - BOS
1 stop7h 07mUnited Airlines
Deal found 4/28$317
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
czw. 6/55:42 pmBOS - FCA
3 stops28h 27mMultiple Airlines
śr. 6/113:39 pmFCA - BOS
3 stops39h 24mMultiple Airlines
Deal found 4/29$443

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 Kwiecień 29, 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

pt. 6/6

5:00 am-2:37 pm

1 stop11h 37m

Kalispell Glacier Park

wt. 6/10

11:44 am-9:52 pm

1 stop8h 08m

$236

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

czw. 6/5

6:00 am-1:00 pm

1 stop9h 00m

Kalispell Glacier Park

śr. 6/11

1:40 pm-12:06 am

1 stop8h 26m

$243

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

śr. 5/28

4:30 pm-11:58 pm

1 stop9h 28m

Kalispell Glacier Park

śr. 6/4

4:19 pm-6:10 am

1 stop11h 51m

$269

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

pt. 6/6

2:35 pm-12:30 am

2 stops11h 55m

Kalispell Glacier Park

pon. 6/9

6:11 pm-6:28 am

1 stop10h 17m

$302

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

wt. 5/13

7:30 am-4:13 pm

1 stop10h 43m

Kalispell Glacier Park

sob. 5/17

2:33 pm-11:40 pm

1 stop7h 07m

$317

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

czw. 6/5

5:42 pm-8:09 pm

3 stops28h 27m

Kalispell Glacier Park

śr. 6/11

3:39 pm-9:03 am

3 stops39h 24m

$443

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

sob. 5/17

12:35 pm-11:34 pm

2 stops12h 59m

$164

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

sob. 5/17

7:30 am-3:39 pm

1 stop10h 09m

$189

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

śr. 6/25

5:00 am-2:37 pm

1 stop11h 37m

$276

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

ndz. 5/11

4:34 pm-3:30 pm

2 stops24h 56m

$303

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 11 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 25, 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 $628). 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 Kwiecień 29, 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 Kwiecień 29, 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
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 American Airlines. Our recent data shows that you can find tickets from as low as $236 on this airline. Additional options worth looking into are Hawaiian Airlines and Alaska Airlines, starting at $243 and $269 round-trip. American Airlines is 60% 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 Delta, which is currently one of the cheapest options available, starting at $164. Hawaiian Airlines flights start at $189 while deals on American Airlines start at $276 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 $628). 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 Kwiecień 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$306Average$573FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$370Average$634FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$382Average$723FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$409Average$601FlexibilityNo cancel feeOn-time71%

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