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 42% 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?

Delta, American Airlines, and United Airlines 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 May 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.

$179 Cheap Flights from Boston to Kalispell in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $589 to $379. The lowest price recently found on this route was $357.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

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

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.

5:51 am - 1:33 pm

BOS

FCA

9h 42m

1 stop

2:30 pm - 11:54 pm

FCA

BOS

7h 24m

1 stop

$357Delta

Thu, May 28 - Fri, Jun 5

1:29 pm - 11:14 pm

BOS

FCA

11h 45m

2 stops

2:30 pm - 11:54 pm

FCA

BOS

7h 24m

1 stop

$362Delta

Fri, May 29 - Sat, Jun 6

6:10 am - 12:39 pm

BOS

FCA

8h 29m

1 stop

12:22 pm - 11:49 pm

FCA

BOS

9h 27m

1 stop

$367Delta

Tue, Jun 2 - Tue, Jun 9

8:00 am - 4:03 pm

BOS

FCA

10h 03m

2 stops

12:25 pm - 12:40 am

FCA

BOS

10h 15m

2 stops

$368American Airlines

Wed, May 27 - Fri, May 29

5:35 am - 5:27 pm

BOS

FCA

13h 52m

2 stops

6:10 pm - 6:05 am

FCA

BOS

9h 55m

1 stop

$372Delta

Tue, Jun 2 - Tue, Jun 9

4:48 pm - 11:58 pm

BOS

FCA

9h 10m

1 stop

4:14 pm - 6:20 am

FCA

BOS

12h 06m

1 stop

$373Alaska Airlines

Sat, May 23 - Sat, May 30

4:48 pm - 11:58 pm

BOS

FCA

9h 10m

1 stop

11:33 am - 11:59 pm

FCA

BOS

10h 26m

1 stop

$378Alaska Airlines

Sat, May 23 - Sat, May 30

3:15 pm - 11:14 pm

BOS

FCA

9h 59m

2 stops

5:13 am - 8:01 pm

FCA

BOS

12h 48m

2 stops

$388Delta

Sat, May 23 - Fri, May 29

7:20 am - 3:34 pm

BOS

FCA

10h 14m

1 stop

6:15 am - 4:32 pm

FCA

BOS

8h 17m

1 stop

$390Alaska Airlines

Wed, May 27 - Fri, May 29

5:51 am - 1:33 pm

BOS

FCA

9h 42m

1 stop

6:10 pm - 9:07 am

FCA

BOS

12h 57m

2 stops

$394Delta

Fri, Jun 5 - Mon, Jun 8

United Airlines flights from Boston to Kalispell

Our best United Airlines deals on Boston to Kalispell flight tickets

United Airlines

Aug 21

BOS7:00 amBoston Logan Intl

10h 21m

1 stop

FCA3:21 pmKalispell Glacier Park

Aug 27

FCA4:08 pmKalispell Glacier Park

6h 57m

1 stop

BOS1:05 amBoston Logan Intl

$397

United Airlines

Aug 21

BOS7:10 amBoston Logan Intl

10h 17m

1 stop

FCA3:27 pmKalispell Glacier Park

Aug 27

FCA4:08 pmKalispell Glacier Park

6h 57m

1 stop

BOS1:05 amBoston Logan Intl

$423

United Airlines

Aug 21

BOS6:00 amBoston Logan Intl

7h 27m

1 stop

FCA11:27 amKalispell Glacier Park

Aug 27

FCA12:33 pmKalispell Glacier Park

10h 01m

1 stop

BOS12:34 amBoston Logan Intl

$448

Alaska Airlines flights from Boston to Kalispell

Our best Alaska Airlines deals on Boston to Kalispell flight tickets

Alaska Airlines

May 23

BOS4:48 pmBoston Logan Intl

9h 10m

1 stop

FCA11:58 pmKalispell Glacier Park

May 30

FCA4:14 pmKalispell Glacier Park

12h 06m

1 stop

BOS6:20 amBoston Logan Intl

$373

Alaska Airlines

May 23

BOS4:48 pmBoston Logan Intl

9h 10m

1 stop

FCA11:58 pmKalispell Glacier Park

May 30

FCA11:33 amKalispell Glacier Park

10h 26m

1 stop

BOS11:59 pmBoston Logan Intl

$378

Alaska Airlines

May 27

BOS7:20 amBoston Logan Intl

10h 14m

1 stop

FCA3:34 pmKalispell Glacier Park

May 29

FCA6:15 amKalispell Glacier Park

8h 17m

1 stop

BOS4:32 pmBoston Logan Intl

$390

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Thu 5/28

5:51 am-1:33 pm

1 stop9h 42m

Kalispell Glacier Park

Fri 6/5

2:30 pm-11:54 pm

1 stop7h 24m

$357

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Fri 5/29

1:29 pm-11:14 pm

2 stops11h 45m

Kalispell Glacier Park

Sat 6/6

2:30 pm-11:54 pm

1 stop7h 24m

$362

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Tue 6/2

6:10 am-12:39 pm

1 stop8h 29m

Kalispell Glacier Park

Tue 6/9

12:22 pm-11:49 pm

1 stop9h 27m

$367

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 5/27

8:00 am-4:03 pm

2 stops10h 03m

Kalispell Glacier Park

Fri 5/29

12:25 pm-12:40 am

2 stops10h 15m

$368

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Tue 6/2

5:35 am-5:27 pm

2 stops13h 52m

Kalispell Glacier Park

Tue 6/9

6:10 pm-6:05 am

1 stop9h 55m

$372

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Sat 5/23

4:48 pm-11:58 pm

1 stop9h 10m

Kalispell Glacier Park

Sat 5/30

4:14 pm-6:20 am

1 stop12h 06m

$373

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Sat 5/23

4:48 pm-11:58 pm

1 stop9h 10m

Kalispell Glacier Park

Sat 5/30

11:33 am-11:59 pm

1 stop10h 26m

$378

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Sat 5/23

3:15 pm-11:14 pm

2 stops9h 59m

Kalispell Glacier Park

Fri 5/29

5:13 am-8:01 pm

2 stops12h 48m

$388

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Wed 5/27

7:20 am-3:34 pm

1 stop10h 14m

Kalispell Glacier Park

Fri 5/29

6:15 am-4:32 pm

1 stop8h 17m

$390

BostonKalispell

BOS - FCA

BOSFCA

Boston Logan Intl

Fri 6/5

5:51 am-1:33 pm

1 stop9h 42m

Kalispell Glacier Park

Mon 6/8

6:10 pm-9:07 am

2 stops12h 57m

$394

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

What is the cheapest month to fly to Kalispell?

The month of November is, on average, the cheapest month to fly to Kalispell from Boston, with most prices found around $410. If you aren’t able to travel to Kalispell during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $412.

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 $579 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 $418 on momondo.

Can stopping save me money on Boston to Kalispell flights?

You could potentially save up to 9% 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 May 2026, prices for Boston to Kalispell flights are approximately 43% cheaper 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

Fastest flight time	7h 27m
Direct flights	None

The fastest flight from Boston to Kalispell takes 7h 27m

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 27m.
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 May 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 American Airlines (37% of total bookings). The next most popular airlines are Delta (32%), United Airlines (24%), and Alaska Airlines (7%).

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
Delta	PriceFrom $316	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
American Airlines	PriceFrom $322	Free Cancellation	Rating 7.1 11,668 reviews	Search American Airlines flights
United Airlines	PriceFrom $342	Free Cancellation	Rating 7.4 9,695 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $346	Free Cancellation	Rating 7.9 12,349 reviews	Search Alaska Airlines flights

Whitefish

Columbia Falls

Polson

East Glacier Park

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.