What airlines fly to Kalispell?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Kalispell from Boston according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Kalispell. Keep in mind that there are 4 different airlines that fly to Kalispell on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Boston Logan Intl to Kalispell Glacier Park?

United Airlines and Delta are the most popular carriers operating from Boston Logan Intl to Kalispell Glacier Park

When did momondo last update prices for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport?

Prices for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport were last updated today.

How many operators does momondo search for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport?

There are 4 operators available for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport as of September 2026.

How old do you have to be to fly from Boston Logan Intl Airport to Kalispell Glacier Park Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kalispell Glacier Park Airport.

What documentation or ID do you need to fly to Kalispell Glacier Park Airport?

The travel and health documents you'll need for your trip to Kalispell Glacier Park Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kalispell Glacier Park Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$269 Cheap Flights from Boston to Kalispell in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Kalispell

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One-way

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Cheap round-trip flights

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6:00 am - 11:28 amBOS Boston Logan Intl-FCA Kalispell Glacier Park

7h 28m1 stop Chicago O'Hare Intl

4:17 pm - 6:11 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

11h 54m1 stop San Francisco

$399United Airlines

Wed, Oct 14 - Sun, Oct 18

6:00 am - 12:16 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 16m1 stop Chicago O'Hare Intl

2:29 pm - 11:55 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 26m1 stop Denver Intl

$399United Airlines

Mon, Jan 18 - Fri, Jan 22

10:35 am - 9:30 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

12h 55m2 stops Newark Denver Intl

2:29 pm - 11:55 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 26m1 stop Denver Intl

$404United Airlines

Mon, Jan 18 - Fri, Jan 22

6:32 pm - 12:14 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

19h 42m1 stop Seattle/Tacoma Intl

4:15 pm - 3:27 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

21h 12m1 stop Portland

$509Alaska Airlines

Sat, Feb 27 - Sat, Mar 6

6:32 pm - 12:14 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

19h 42m1 stop Seattle/Tacoma Intl

2:10 pm - 3:27 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

23h 17m2 stops Seattle/Tacoma Intl Portland

$626Alaska Airlines

Sat, Feb 27 - Sat, Mar 6

7:08 am - 11:59 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

18h 51m1 stop Seattle/Tacoma Intl

2:10 pm - 11:59 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 49m1 stop Seattle/Tacoma Intl

$696Alaska Airlines

Sun, Feb 21 - Sun, Feb 28

3:31 pm - 1:27 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

23h 56m1 stop Chicago O'Hare Intl

2:12 pm - 9:37 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

17h 25m1 stop Chicago O'Hare Intl

$875American Airlines

Thu, Oct 8 - Mon, Oct 12

9:15 pm - 1:27 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

18h 12m2 stops Washington, D.C. Reagan-National Chicago O'Hare Intl

2:12 pm - 9:37 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

17h 25m1 stop Chicago O'Hare Intl

$952American Airlines

Thu, Oct 8 - Mon, Oct 12

7:05 am - 5:45 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

12h 40m2 stops Seattle/Tacoma Intl Salt Lake City

1:29 pm - 11:34 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

8h 05m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$1,529Delta

Thu, Feb 18 - Sun, Feb 21

5:30 am - 12:29 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 59m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

6:10 pm - 11:19 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

15h 09m2 stops Salt Lake City New York John F Kennedy Intl

$2,343Delta

Fri, Feb 12 - Fri, Feb 19

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 12:44 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

7h 44m1 stop Chicago O'Hare Intl

1:02 pm - 11:37 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

8h 35m1 stop Dallas/Fort Worth

$589American Airlines

Sat, Sep 26 - Thu, Oct 1

6:00 am - 12:44 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 44m1 stop Chicago O'Hare Intl

1:34 pm - 11:45 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

8h 11m1 stop Chicago O'Hare Intl

$589American Airlines

Sat, Sep 26 - Thu, Oct 1

8:15 am - 1:25 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

7h 10m1 stop Minneapolis St Paul

2:40 pm - 11:59 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 19m1 stop Minneapolis St Paul

$589Delta

Sat, Sep 26 - Wed, Sep 30

7:00 am - 12:44 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

7h 44m1 stop Chicago O'Hare Intl

1:34 pm - 11:54 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

8h 20m1 stop Chicago O'Hare Intl

$589American Airlines

Sat, Sep 26 - Wed, Sep 30

5:55 am - 1:25 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

9h 30m1 stop Minneapolis St Paul

12:40 pm - 11:53 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 13m1 stop Salt Lake City

$599Delta

Sat, Sep 26 - Mon, Sep 28

8:15 am - 1:25 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

7h 10m1 stop Minneapolis St Paul

2:40 pm - 11:59 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 19m1 stop Minneapolis St Paul

$599Delta

Sat, Sep 26 - Wed, Sep 30

12:45 pm - 9:36 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

10h 51m2 stops Chicago O'Hare Intl Denver Intl

2:30 pm - 11:59 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 29m1 stop Denver Intl

$604United Airlines

Sat, Sep 26 - Mon, Sep 28

6:00 am - 11:28 amBOS Boston Logan Intl-FCA Kalispell Glacier Park

7h 28m1 stop Chicago O'Hare Intl

10:45 am - 11:59 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

11h 14m2 stops Denver Intl Washington, D.C. Dulles Intl

$617United Airlines

Tue, Sep 29 - Sat, Oct 10

10:03 am - 5:28 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

9h 25m1 stop Seattle/Tacoma Intl

7:45 pm - 7:26 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 41m1 stop Seattle/Tacoma Intl

$712Alaska Airlines

Wed, Sep 30 - Tue, Oct 13

10:03 am - 5:28 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

9h 25m1 stop Seattle/Tacoma Intl

7:45 pm - 7:26 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 41m1 stop Seattle/Tacoma Intl

$722Alaska Airlines

Sat, Sep 26 - Tue, Oct 13

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United Airlines flights from Boston to Kalispell

Our best United Airlines deals on Boston to Kalispell flight tickets

United Airlines

Oct 14

BOS6:00 amBoston Logan Intl

7h 28m

1 stop

FCA11:28 amKalispell Glacier Park

Oct 18

FCA4:17 pmKalispell Glacier Park

11h 54m

1 stop

BOS6:11 amBoston Logan Intl

$399

United Airlines

Jan 18

BOS10:35 amBoston Logan Intl

12h 55m

2 stops

FCA9:30 pmKalispell Glacier Park

Jan 22

FCA2:29 pmKalispell Glacier Park

7h 26m

1 stop

BOS11:55 pmBoston Logan Intl

$404

United Airlines

Jan 18

BOS9:45 amBoston Logan Intl

10h 36m

2 stops

FCA6:21 pmKalispell Glacier Park

Jan 22

FCA6:31 amKalispell Glacier Park

9h 18m

2 stops

BOS5:49 pmBoston Logan Intl

$473

Alaska Airlines flights from Boston to Kalispell

Our best Alaska Airlines deals on Boston to Kalispell flight tickets

Alaska Airlines

Feb 27

BOS6:32 pmBoston Logan Intl

19h 42m

1 stop

FCA12:14 pmKalispell Glacier Park

Mar 6

FCA4:15 pmKalispell Glacier Park

21h 12m

1 stop

BOS3:27 pmBoston Logan Intl

$509

Alaska Airlines

Feb 27

BOS6:32 pmBoston Logan Intl

19h 42m

1 stop

FCA12:14 pmKalispell Glacier Park

Mar 6

FCA2:10 pmKalispell Glacier Park

23h 17m

2 stops

BOS3:27 pmBoston Logan Intl

$626

Alaska Airlines

Feb 21

BOS7:08 amBoston Logan Intl

18h 51m

1 stop

FCA11:59 pmKalispell Glacier Park

Feb 28

FCA2:10 pmKalispell Glacier Park

7h 49m

1 stop

BOS11:59 pmBoston Logan Intl

$696

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Wed 10/14

6:00 am-11:28 am

1 stop7h 28m

Kalispell Glacier Park

Sun 10/18

4:17 pm-6:11 am

1 stop11h 54m

$399

Quickest round-trip

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Mon 1/18

6:00 am-12:16 pm

1 stop8h 16m

Kalispell Glacier Park

Fri 1/22

2:29 pm-11:55 pm

1 stop7h 26m

$399

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Mon 1/18

10:35 am-9:30 pm

2 stops12h 55m

Kalispell Glacier Park

Fri 1/22

2:29 pm-11:55 pm

1 stop7h 26m

$404

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Sat 2/27

6:32 pm-12:14 pm

1 stop19h 42m

Kalispell Glacier Park

Sat 3/6

4:15 pm-3:27 pm

1 stop21h 12m

$509

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Sat 2/27

6:32 pm-12:14 pm

1 stop19h 42m

Kalispell Glacier Park

Sat 3/6

2:10 pm-3:27 pm

2 stops23h 17m

$626

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Sun 2/21

7:08 am-11:59 pm

1 stop18h 51m

Kalispell Glacier Park

Sun 2/28

2:10 pm-11:59 pm

1 stop7h 49m

$696

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Thu 10/8

3:31 pm-1:27 pm

1 stop23h 56m

Kalispell Glacier Park

Mon 10/12

2:12 pm-9:37 am

1 stop17h 25m

$875

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Thu 10/8

9:15 pm-1:27 pm

2 stops18h 12m

Kalispell Glacier Park

Mon 10/12

2:12 pm-9:37 am

1 stop17h 25m

$952

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Thu 2/18

7:05 am-5:45 pm

2 stops12h 40m

Kalispell Glacier Park

Sun 2/21

1:29 pm-11:34 pm

2 stops8h 05m

$1,529

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Fri 2/12

5:30 am-12:29 pm

2 stops8h 59m

Kalispell Glacier Park

Fri 2/19

6:10 pm-11:19 am

2 stops15h 09m

$2,343

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boston to Kalispell

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Boston and Kalispell?

Prices are currently typical for flights on this route.

Typical prices usually range from $388 to $616.
The lowest price recently found on this route was $399.

What is the cheapest month to fly to Kalispell?

The month of May is, on average, the cheapest month to fly to Kalispell from Boston, with most prices found around $453. If you aren’t able to travel to Kalispell during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $488.

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

You are more likely to see cheaper flights to Kalispell from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Kalispell for around $625 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kalispell from Boston for as low as $409 on momondo.

Can stopping save me money on Boston to Kalispell flights?

You could potentially save up to 33% on your flight if you consider stops on a Boston to Kalispell flight.

How have Boston to Kalispell flight prices changed over time?

As of September 2026, prices for Boston to Kalispell flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Kalispell

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kalispell according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boston to Kalispell (BOS to FCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kalispell

Best Price Found	$269
Fastest flight time	7h 28m
Direct flights	None

The best one-way flight to Kalispell from Boston in the past 72 hours is $269. The best round-trip flight deal from Boston to Kalispell found on momondo in the last 72 hours is $399.

The fastest flight from Boston to Kalispell takes 7h 28m

There are no direct flights from Boston to Kalispell. There are no popular flight routes from Boston to Kalispell.

Search flight deals

Frequently asked questions about flying from Boston to Kalispell

How far is Boston Logan Intl to Kalispell Glacier Park by plane?
Kalispell Glacier Park is 2110.7 mi away from Boston Logan Intl. By plane, this route typically takes 7h 28m.
When did momondo last update prices for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport?
Prices for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport were last updated today.
How many operators does momondo search for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport?
There are 4 operators available for flights from Boston Logan Intl Airport to Kalispell Glacier Park Airport as of September 2026.
How old do you have to be to fly from Boston Logan Intl Airport to Kalispell Glacier Park Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport to Kalispell Glacier Park Airport.
What documentation or ID do you need to fly to Kalispell Glacier Park Airport?
The travel and health documents you'll need for your trip to Kalispell Glacier Park Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kalispell Glacier Park Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Boston to Kalispell?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boston to Kalispell is Delta (33% of total bookings). The next most popular airlines are American Airlines (28%), United Airlines (26%), and Alaska Airlines (13%).

Best airlines flying from Boston to Kalispell

Compare and see reviews for airlines that fly from Boston to Kalispell with momondo

Airline	Rating	Free Cancellation	Price
Alaska Airlines	PriceFrom $346	Free Cancellation	Rating 7.9 12,965 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $356	Free Cancellation	Rating 7.0 12,087 reviews	Search American Airlines flights
Delta	PriceFrom $362	Free Cancellation	Rating 7.8 8,600 reviews	Search Delta flights
United Airlines	PriceFrom $368	Free Cancellation	Rating 7.4 10,237 reviews	Search United Airlines flights

Whitefish

East Glacier Park

Polson

Columbia Falls

Cut Bank

Essex

Eureka

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kalispell?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Kalispell for you.

Can I find flights from Boston to Kalispell with flexible booking policies on momondo?

All flight searches from Boston to Kalispell on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Kalispell?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Kalispell.

I’m not ready to book a flight from Boston to Kalispell right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Kalispell flights. All you need is a valid email address and we will do the rest; it is that quick and easy.