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

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

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 40% 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.

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 November 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.

$200 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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:59 pm - 12:14 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

20h 15m1 stop Seattle/Tacoma Intl

2:10 pm - 5:48 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

13h 38m1 stop Seattle/Tacoma Intl

$399Alaska Airlines

Mon, Mar 1 - Tue, Mar 9

3:00 pm - 9:52 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 52m1 stop Denver Intl

12:46 pm - 9:53 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 07m1 stop Chicago O'Hare Intl

$399United Airlines

Tue, Feb 2 - Fri, Feb 5

7:30 am - 1:36 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 06m1 stop Denver Intl

6:15 am - 3:31 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 16m1 stop Denver Intl

$399United Airlines

Thu, Dec 3 - Thu, Dec 10

5:45 am - 1:36 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

9h 51m2 stops Washington, D.C. Dulles Intl Denver Intl

2:42 pm - 11:58 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 16m1 stop Denver Intl

$404United Airlines

Thu, Dec 3 - Thu, Dec 10

11:00 am - 5:36 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 36m1 stop Salt Lake City

2:00 pm - 11:47 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 47m1 stop Minneapolis St Paul

$409Delta

Fri, Dec 4 - Thu, Dec 10

11:00 am - 5:36 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

8h 36m1 stop Salt Lake City

5:10 am - 6:58 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

11h 48m2 stops Salt Lake City Minneapolis St Paul

$414Delta

Fri, Dec 4 - Thu, Dec 10

3:05 pm - 10:51 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

9h 46m2 stops Minneapolis St Paul Salt Lake City

5:10 am - 5:01 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 51m2 stops Salt Lake City Minneapolis St Paul

$419Delta

Fri, Dec 4 - Thu, Dec 10

6:28 pm - 12:11 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

19h 43m1 stop Seattle/Tacoma Intl

3:31 pm - 3:52 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

22h 21m1 stop San Diego

$429Alaska Airlines

Tue, Feb 2 - Sat, Feb 6

4:33 pm - 1:15 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

22h 42m1 stop Portland

7:55 pm - 7:40 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 45m1 stop Seattle/Tacoma Intl

$479Alaska Airlines

Wed, Nov 18 - Sun, Nov 22

9:03 am - 5:54 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

10h 51m1 stop Seattle/Tacoma Intl

6:35 pm - 5:40 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 05m1 stop Seattle/Tacoma Intl

$489Alaska Airlines

Thu, Nov 19 - Tue, Dec 1

Cheap last minute flights

Enter your travel dates to find the best prices.

9:03 am - 5:54 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

10h 51m1 stop Seattle/Tacoma Intl

1:55 pm - 11:58 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

8h 03m1 stop Seattle/Tacoma Intl

$579Alaska Airlines

Wed, Nov 11 - Sat, Nov 14

9:03 am - 11:59 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

16h 56m1 stop Seattle/Tacoma Intl

1:55 pm - 11:58 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

8h 03m1 stop Seattle/Tacoma Intl

$589Alaska Airlines

Tue, Nov 10 - Sat, Nov 14

6:20 pm - 12:15 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

19h 55m1 stop Seattle/Tacoma Intl

7:41 am - 11:58 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

14h 17m1 stop Seattle/Tacoma Intl

$589Alaska Airlines

Fri, Nov 6 - Wed, Nov 11

1:00 pm - 10:45 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

11h 45m2 stops Detroit Metropolitan Wayne County Salt Lake City

6:17 pm - 6:20 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

10h 03m1 stop Salt Lake City

$594Delta

Wed, Nov 11 - Sat, Nov 14

9:12 am - 9:51 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

14h 39m2 stops Chicago O'Hare Intl Denver Intl

6:14 am - 3:35 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 21m1 stop Denver Intl

$594United Airlines

Fri, Nov 6 - Wed, Nov 11

1:00 pm - 10:45 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

11h 45m2 stops Detroit Metropolitan Wayne County Salt Lake City

5:11 am - 8:56 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

13h 45m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$599Delta

Wed, Nov 11 - Sat, Nov 14

9:12 am - 9:51 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

14h 39m2 stops Chicago O'Hare Intl Denver Intl

6:14 am - 3:30 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

7h 16m1 stop Denver Intl

$603United Airlines

Tue, Nov 10 - Sat, Nov 14

10:25 am - 9:51 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

13h 26m2 stops Chicago O'Hare Intl Denver Intl

6:14 am - 5:24 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 10m2 stops Denver Intl Chicago O'Hare Intl

$608United Airlines

Tue, Nov 10 - Sat, Nov 14

1:05 pm - 10:57 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

11h 52m2 stops Detroit Metropolitan Wayne County Salt Lake City

12:25 pm - 11:57 pmFCA Kalispell Glacier Park-BOS Boston Logan Intl

9h 32m1 stop Salt Lake City

$829Delta

Fri, Nov 6 - Wed, Nov 11

8:00 am - 5:33 pmBOS Boston Logan Intl-FCA Kalispell Glacier Park

11h 33m2 stops Atlanta Hartsfield-Jackson Salt Lake City

12:25 pm - 1:08 amFCA Kalispell Glacier Park-BOS Boston Logan Intl

10h 43m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$834Delta

Fri, Nov 6 - Wed, Nov 11

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Delta flights from Boston to Kalispell

Our best Delta deals on Boston to Kalispell flight tickets

Delta

Dec 4

BOS11:00 amBoston Logan Intl

8h 36m

1 stop

FCA5:36 pmKalispell Glacier Park

Dec 10

FCA5:10 amKalispell Glacier Park

11h 48m

2 stops

BOS6:58 pmBoston Logan Intl

$414

Delta

Dec 4

BOS3:05 pmBoston Logan Intl

9h 46m

2 stops

FCA10:51 pmKalispell Glacier Park

Dec 10

FCA5:10 amKalispell Glacier Park

9h 51m

2 stops

BOS5:01 pmBoston Logan Intl

$419

Delta

Dec 13

BOS5:35 amBoston Logan Intl

9h 31m

1 stop

FCA1:06 pmKalispell Glacier Park

Dec 18

FCA12:28 pmKalispell Glacier Park

9h 45m

1 stop

BOS12:13 amBoston Logan Intl

$429

Alaska Airlines flights from Boston to Kalispell

Our best Alaska Airlines deals on Boston to Kalispell flight tickets

Alaska Airlines

Nov 19

BOS9:03 amBoston Logan Intl

10h 51m

1 stop

FCA5:54 pmKalispell Glacier Park

Dec 1

FCA6:35 pmKalispell Glacier Park

9h 05m

1 stop

BOS5:40 amBoston Logan Intl

$489

Alaska Airlines

Dec 9

BOS6:13 pmBoston Logan Intl

25h 42m

2 stops

FCA5:55 pmKalispell Glacier Park

Dec 12

FCA1:54 pmKalispell Glacier Park

8h 05m

1 stop

BOS11:59 pmBoston Logan Intl

$499

Alaska Airlines

Dec 9

BOS6:13 pmBoston Logan Intl

31h 08m

2 stops

FCA11:21 pmKalispell Glacier Park

Dec 12

FCA1:54 pmKalispell Glacier Park

8h 05m

1 stop

BOS11:59 pmBoston Logan Intl

$509

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Mon 3/1

5:59 pm-12:14 pm

1 stop20h 15m

Kalispell Glacier Park

Tue 3/9

2:10 pm-5:48 am

1 stop13h 38m

$399

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Tue 2/2

3:00 pm-9:52 pm

1 stop8h 52m

Kalispell Glacier Park

Fri 2/5

12:46 pm-9:53 pm

1 stop7h 07m

$399

Quickest round-trip

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Thu 12/3

7:30 am-1:36 pm

1 stop8h 06m

Kalispell Glacier Park

Thu 12/10

6:15 am-3:31 pm

1 stop7h 16m

$399

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Thu 12/3

5:45 am-1:36 pm

2 stops9h 51m

Kalispell Glacier Park

Thu 12/10

2:42 pm-11:58 pm

1 stop7h 16m

$404

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Fri 12/4

11:00 am-5:36 pm

1 stop8h 36m

Kalispell Glacier Park

Thu 12/10

2:00 pm-11:47 pm

1 stop7h 47m

$409

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Fri 12/4

11:00 am-5:36 pm

1 stop8h 36m

Kalispell Glacier Park

Thu 12/10

5:10 am-6:58 pm

2 stops11h 48m

$414

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Fri 12/4

3:05 pm-10:51 pm

2 stops9h 46m

Kalispell Glacier Park

Thu 12/10

5:10 am-5:01 pm

2 stops9h 51m

$419

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Tue 2/2

6:28 pm-12:11 pm

1 stop19h 43m

Kalispell Glacier Park

Sat 2/6

3:31 pm-3:52 pm

1 stop22h 21m

$429

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Wed 11/18

4:33 pm-1:15 pm

1 stop22h 42m

Kalispell Glacier Park

Sun 11/22

7:55 pm-7:40 am

1 stop9h 45m

$479

BostonKalispell

BOS Boston Logan Intl - FCA Kalispell Glacier Park

BOSFCA

Boston Logan Intl

Thu 11/19

9:03 am-5:54 pm

1 stop10h 51m

Kalispell Glacier Park

Tue 12/1

6:35 pm-5:40 am

1 stop9h 05m

$489

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $439. If you aren’t able to travel to Kalispell during the month of May, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $497.

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 $627 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 74% 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 November 2026, prices for Boston to Kalispell flights are approximately 50% 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	$200
Fastest flight time	8h 06m
Direct flights	None

The best one-way flight to Kalispell from Boston in the past 72 hours is $200. 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 8h 06m

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 8h 06m.
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 November 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 (31% of total bookings). The next most popular airlines are American Airlines (29%), United Airlines (27%), 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 13,140 reviews	Search Alaska Airlines flights
American Airlines	PriceFrom $356	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
Delta	PriceFrom $362	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
United Airlines	PriceFrom $368	Free Cancellation	Rating 7.3 10,461 reviews	Search United Airlines flights

Whitefish

East Glacier Park

Polson

Columbia Falls

Cut Bank

Eureka

Essex

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.