How long is the flight from Boston to Kalispell?

A quick flight from Boston to Kalispell can take about 8h 44m. Delta provides one of the quickest options available for as low as $302. The distance from Boston to Kalispell is about 2110 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

Our cheapest airline available from Boston to Kalispell is Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $260 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $306 and $333 round-trip. Hawaiian Airlines is 55% 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 American Airlines, which is currently one of the cheapest options available, starting at $158. United Airlines flights start at $158 while deals on Delta start at $158 one-way.

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.

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).

What are the most popular airlines that fly from Boston to Kalispell?

American Airlines, Delta and United Airlines are the most popular airlines when flying from Boston to Kalispell.

Most accurate provider : When it comes to deals on Boston-Kalispell flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Boston-Kalispell flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

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.

$149+ Flights from Boston to Kalispell

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheapflights Tip: The best prices from Boston Logan Intl to Kalispell Glacier Park are usually found in November or October, booked 90 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap 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 December 23, 2025.

Tue 12/308:55 pmBOS - FCA

1 stop18h 41mUnited Airlines

Sat 1/37:00 amFCA - BOS

2 stops33h 48mUnited Airlines

Deal found 12/22

$1,855

Tue 12/304:52 pmBOS - FCA

2 stops9h 55mDelta

Sat 1/31:55 pmFCA - BOS

2 stops8h 02mDelta

Deal found 12/22

$1,924

Best flights from Boston to Kalispell
Discover carefully curated flight deals from Boston to Kalispell that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Tue 4/75:50 amBOS - FCA

1 stop9h 38mDelta

Tue 4/146:10 pmFCA - BOS

1 stop9h 50mDelta

Deal found 12/20

$297

Mon 2/23:15 pmBOS - FCA

1 stop8h 44mUnited Airlines

Sat 2/77:00 amFCA - BOS

2 stops12h 57mUnited Airlines

Deal found 12/21

$302

Wed 1/74:25 pmBOS - FCA

1 stop8h 27mDelta

Tue 1/135:05 amFCA - BOS

1 stop9h 25mDelta

Deal found 12/22

$313

Sat 1/104:25 pmBOS - FCA

1 stop8h 53mDelta

Thu 1/153:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$313

Tue 1/64:25 pmBOS - FCA

1 stop8h 27mDelta

Wed 1/143:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$313

Fri 1/95:29 amBOS - FCA

2 stops10h 53mDelta

Wed 1/143:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$318

Wed 1/712:55 pmBOS - FCA

2 stops11h 57mDelta

Thu 1/155:54 pmFCA - BOS

1 stop10h 11mDelta

Deal found 12/22

$318

Last-minute flights from Boston to Kalispell
Discover last-minute flight deals from Boston to Kalispell. Data last updated December 23, 2025 and is based on user searches.

Mon 1/59:00 amBOS - FCA

2 stops10h 14mDelta

Wed 1/143:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$362

Tue 1/64:25 pmBOS - FCA

1 stop8h 27mDelta

Wed 1/143:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$313

Tue 1/64:25 pmBOS - FCA

1 stop8h 27mDelta

Sat 1/105:05 amFCA - BOS

1 stop7h 31mDelta

Deal found 12/22

$329

Tue 1/612:45 pmBOS - FCA

2 stops11h 14mUnited Airlines

Sat 1/107:00 amFCA - BOS

2 stops14h 52mUnited Airlines

Deal found 12/22

$339

Tue 1/64:25 pmBOS - FCA

1 stop8h 27mDelta

Tue 1/133:23 pmFCA - BOS

2 stops14h 10mDelta

Deal found 12/22

$342

Wed 1/712:55 pmBOS - FCA

2 stops11h 57mDelta

Fri 1/93:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$334

Wed 1/712:55 pmBOS - FCA

2 stops11h 57mDelta

Tue 1/133:23 pmFCA - BOS

2 stops22h 30mDelta

Deal found 12/22

$347

Fri 1/911:12 amBOS - FCA

2 stops13h 40mDelta

Fri 1/163:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$318

Fri 1/912:55 pmBOS - FCA

2 stops11h 57mDelta

Tue 1/135:05 amFCA - BOS

2 stops12h 09mDelta

Deal found 12/22

$323

Sun 1/119:40 pmBOS - FCA

2 stops18h 42mDelta

Wed 1/143:23 pmFCA - BOS

1 stop6h 29mDelta

Deal found 12/22

$351

Sun 1/118:15 pmBOS - FCA

2 stops20h 07mDelta

Thu 1/155:05 amFCA - BOS

2 stops12h 05mDelta

Deal found 12/22

$356

Wed 1/216:44 pmBOS - FCA

1 stop19h 30mAlaska Airlines

Wed 1/281:54 pmFCA - BOS

1 stop8h 00mAlaska Airlines

Deal found 12/21

$296

One-way flights from Boston to Kalispell
Search for one-way flight options from Boston to Kalispell. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Mon 3/96:00 amBOS - FCA

1 stop8h 34mUnited Airlines

Deal found 12/21

$149

Tue 1/205:23 pmBOS - FCA

3 stops52h 53mMultiple Airlines

Deal found 12/22

$152

Sat 1/179:30 amBOS - FCA

2 stops15h 50mUnited Airlines

Deal found 12/22

$154

Sun 1/46:46 pmBOS - FCA

1 stop8h 00mDelta

Deal found 12/21

$165

Sat 1/173:43 pmBOS - FCA

3 stops30h 33mMultiple Airlines

Deal found 12/22

$174

Wed 1/145:34 amBOS - FCA

3 stops40h 42mMultiple Airlines

Deal found 12/22

$186

Fri 1/166:05 pmBOS - FCA

2 stops31h 13mDelta

Deal found 12/22

$189

Wed 1/143:15 pmBOS - FCA

1 stop8h 44mUnited Airlines

Deal found 12/22

$199

Tue 3/1011:15 amBOS - FCA

2 stops14h 26mDelta

Deal found 12/22

$202

Find flight deals from Boston to Kalispell

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Round-trip from	$296 (Alaska Airlines)
One-way from	$149 (United Airlines)
Popular in	December
Cheapest in	November
Average price	$1,063

Provider with most accurate pricing for Boston Logan Intl-Kalispell Glacier Park flight deals.

Search Deals

Provider most trusted by Cheapflights users for Boston Logan Intl-Kalispell Glacier Park flights.

Search Deals

From Boston Logan Intl to Kalispell Glacier Park

Search Deals

One-way flight from Boston Logan Intl to Kalispell Glacier Park

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($44 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Tue 4/7

5:50 am-1:28 pm

1 stop9h 38m

Kalispell Glacier Park

Tue 4/14

6:10 pm-6:00 am

1 stop9h 50m

$297

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Mon 2/2

3:15 pm-9:59 pm

1 stop8h 44m

Kalispell Glacier Park

Sat 2/7

7:00 am-9:57 pm

2 stops12h 57m

$302

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 1/7

4:25 pm-10:52 pm

1 stop8h 27m

Kalispell Glacier Park

Tue 1/13

5:05 am-4:30 pm

1 stop9h 25m

$313

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Sat 1/10

4:25 pm-11:18 pm

1 stop8h 53m

Kalispell Glacier Park

Thu 1/15

3:23 pm-11:52 pm

1 stop6h 29m

$313

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Tue 1/6

4:25 pm-10:52 pm

1 stop8h 27m

Kalispell Glacier Park

Wed 1/14

3:23 pm-11:52 pm

1 stop6h 29m

$313

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Fri 1/9

5:29 am-2:22 pm

2 stops10h 53m

Kalispell Glacier Park

Wed 1/14

3:23 pm-11:52 pm

1 stop6h 29m

$318

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 1/7

12:55 pm-10:52 pm

2 stops11h 57m

Kalispell Glacier Park

Thu 1/15

5:54 pm-6:05 am

1 stop10h 11m

$318

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Tue 1/20

4:25 pm-10:52 pm

1 stop8h 27m

$149

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Mon 3/9

6:00 am-12:34 pm

1 stop8h 34m

$149

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Sat 1/17

4:25 pm-11:18 pm

1 stop8h 53m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 15 results

Compare providers for flights from Boston to Kalispell

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Kalispell in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Boston-Kalispell flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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?

To ensure you get the cheapest price possible for a flight from Boston to Kalispell, you should look to book at least 90 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, July is the cheapest month in which you can book a flight from Boston to Kalispell (average of $211). Flying from Boston to Kalispell in December is currently the most expensive (average of $396). 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?

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 23% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Kalispell

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Boston to Kalispell 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

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Alaska Airlines

8.0

Very good

11,512 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Delta

7.9

Good

8,014 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Hawaiian Airlines

7.8

Good

2,820 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

United Airlines

7.4

Good

9,105 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

American Airlines

7.2

Good

11,054 reviews

Alaska Airlines

8.0

Very good

11,512 reviews

Reviews

1 / 20

10.0

Excellent

Georgana,Dec 2025

ORD - PDX

Very cordial grew. Thank you. However, crying baby issues and no ear plugs available.

Related info for your journey

How long is the flight from Boston to Kalispell?
A quick flight from Boston to Kalispell can take about 8h 44m. Delta provides one of the quickest options available for as low as $302. The distance from Boston to Kalispell is about 2110 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.
What are the cheapest airlines flying from Boston to Kalispell round-trip?
Our cheapest airline available from Boston to Kalispell is Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $260 on this airline. Additional options worth looking into are Delta and American Airlines, starting at $306 and $333 round-trip. Hawaiian Airlines is 55% 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 American Airlines, which is currently one of the cheapest options available, starting at $158. United Airlines flights start at $158 while deals on Delta start at $158 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, July is the cheapest month in which you can book a flight from Boston to Kalispell (average of $211). Flying from Boston to Kalispell in December is currently the most expensive (average of $396). 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

Columbia Falls

East Glacier Park

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Alternative routes for Boston to Kalispell

Other flights to Kalispell

Top 5 airlines flying from Boston to Kalispell

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$316	Average$546	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$331	Average$562	FlexibilityNo cancel fee	On-time71%
Hawaiian Airlines	Cheapest$332	Average$558	FlexibilityNo cancel fee	On-time85%
United Airlines	Cheapest$360	Average$657	FlexibilityNo cancel fee	On-time69%
Alaska Airlines	Cheapest$370	Average$609	FlexibilityNo cancel fee	On-time75%

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$149+ 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Kalispell with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boston Logan Intl to Kalispell Glacier Park are usually found in November or October, booked 90 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Boston to Kalispell

Cheapest flights from Boston to KalispellExplore 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 December 23, 2025.

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 December 23, 2025.

Find flight deals from Boston to Kalispell

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Boston to Kalispell that are best for you.

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 December.

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.

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?

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

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

Reviews of airlines servicing Kalispell

Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and Hawaiian Airlines from Boston to Kalispell 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.

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.

How long is the flight from Boston to Kalispell?

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

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

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

How can I find direct flights from Boston to Kalispell?

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

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

Traveling to a place near Kalispell?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Boston to Kalispell

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Boston to Kalispell

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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 December 23, 2025.