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Cheap flights from Kalispell to Boston from $179

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Boston departing on 5/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Kalispell to Boston

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
11:33 am - 11:59 pm
FCA
-
BOS
10h 26m
1 stop
Alaska Airlines Logo
7:11 pm - 10:51 am
BOS
-
FCA
17h 40m
1 stop
$357Alaska Airlines
Tue, Jun 2 - Fri, Jun 5
American Airlines Logo
12:25 pm - 12:40 am
FCA
-
BOS
10h 15m
2 stops
American Airlines Logo
8:57 am - 4:02 pm
BOS
-
FCA
9h 05m
1 stop
$362American Airlines
Tue, Jun 2 - Fri, Jun 5
Alaska Airlines Logo
11:33 am - 11:59 pm
FCA
-
BOS
10h 26m
1 stop
Alaska Airlines Logo
7:11 pm - 10:51 am
BOS
-
FCA
17h 40m
1 stop
$367Alaska Airlines
Tue, Jun 2 - Fri, Jun 5
American Airlines Logo
12:25 pm - 12:40 am
FCA
-
BOS
10h 15m
2 stops
American Airlines Logo
6:00 am - 4:03 pm
BOS
-
FCA
12h 03m
2 stops
$368American Airlines
Wed, May 27 - Sun, May 31
Delta Logo
6:07 pm - 9:46 am
FCA
-
BOS
13h 39m
2 stops
Delta Logo
5:51 am - 1:33 pm
BOS
-
FCA
9h 42m
1 stop
$372Delta
Tue, Jun 2 - Fri, Jun 5
Alaska Airlines Logo
11:33 am - 11:59 pm
FCA
-
BOS
10h 26m
1 stop
Alaska Airlines Logo
4:48 pm - 11:58 pm
BOS
-
FCA
9h 10m
1 stop
$373Alaska Airlines
Sat, May 23 - Wed, May 27
American Airlines Logo
1:25 pm - 12:15 am
FCA
-
BOS
8h 50m
1 stop
American Airlines Logo
6:00 am - 4:03 pm
BOS
-
FCA
12h 03m
2 stops
$378American Airlines
Wed, May 27 - Sun, May 31
American Airlines Logo
12:35 pm - 11:55 pm
FCA
-
BOS
9h 20m
1 stop
American Airlines Logo
6:00 am - 2:40 pm
BOS
-
FCA
10h 40m
1 stop
$408American Airlines
Tue, Sep 22 - Sat, Oct 3
American Airlines Logo
12:35 pm - 11:55 pm
FCA
-
BOS
9h 20m
1 stop
American Airlines Logo
6:30 am - 3:56 pm
BOS
-
FCA
11h 26m
2 stops
$413American Airlines
Tue, Sep 22 - Sat, Oct 3
Alaska Airlines Logo
6:15 am - 5:44 am
FCA
-
BOS
21h 29m
2 stops
Alaska Airlines Logo
7:11 pm - 10:51 am
BOS
-
FCA
17h 40m
1 stop
$425Alaska Airlines
Tue, Jun 2 - Fri, Jun 5

American Airlines flights from Kalispell to Boston

Our best American Airlines deals on Kalispell to Boston flight tickets
American Airlines
Jun 4
FCA1:35 pmKalispell Glacier Park
8h 53m
1 stop
BOS12:28 amBoston Logan Intl
Jun 8
BOS6:30 amBoston Logan Intl
11h 32m
2 stops
FCA4:02 pmKalispell Glacier Park
$362
American Airlines
May 27
FCA12:25 pmKalispell Glacier Park
10h 15m
2 stops
BOS12:40 amBoston Logan Intl
May 31
BOS6:00 amBoston Logan Intl
12h 03m
2 stops
FCA4:03 pmKalispell Glacier Park
$368
American Airlines
May 27
FCA1:25 pmKalispell Glacier Park
8h 50m
1 stop
BOS12:15 amBoston Logan Intl
May 31
BOS6:00 amBoston Logan Intl
12h 03m
2 stops
FCA4:03 pmKalispell Glacier Park
$378

Delta flights from Kalispell to Boston

Our best Delta deals on Kalispell to Boston flight tickets
Delta
Jun 2
FCA6:07 pmKalispell Glacier Park
13h 39m
2 stops
BOS9:46 amBoston Logan Intl
Jun 5
BOS5:51 amBoston Logan Intl
9h 42m
1 stop
FCA1:33 pmKalispell Glacier Park
$372
Delta
Sep 18
FCA6:59 amKalispell Glacier Park
13h 28m
2 stops
BOS10:27 pmBoston Logan Intl
Oct 3
BOS5:40 amBoston Logan Intl
10h 05m
1 stop
FCA1:45 pmKalispell Glacier Park
$503
Delta
May 14
FCA6:07 pmKalispell Glacier Park
10h 13m
1 stop
BOS6:20 amBoston Logan Intl
May 17
BOS6:10 amBoston Logan Intl
8h 29m
1 stop
FCA12:39 pmKalispell Glacier Park
$714

momondo Fare Finder

 
Customize your flight search to find flights from Kalispell to Boston 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, momondo users made 832,500 searches. Data last updated May 10, 2026.
Use the filters below to find and compare flights from Kalispell to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 6/2

11:33 am-11:59 pm

1 stop10h 26m

Boston Logan Intl

Fri 6/5

7:11 pm-10:51 am

1 stop17h 40m

$357
Quickest round-trip

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 6/2

12:25 pm-12:40 am

2 stops10h 15m

Boston Logan Intl

Fri 6/5

8:57 am-4:02 pm

1 stop9h 05m

$362

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 6/2

11:33 am-11:59 pm

1 stop10h 26m

Boston Logan Intl

Fri 6/5

7:11 pm-10:51 am

1 stop17h 40m

$367

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 5/27

12:25 pm-12:40 am

2 stops10h 15m

Boston Logan Intl

Sun 5/31

6:00 am-4:03 pm

2 stops12h 03m

$368

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 6/2

6:07 pm-9:46 am

2 stops13h 39m

Boston Logan Intl

Fri 6/5

5:51 am-1:33 pm

1 stop9h 42m

$372

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Sat 5/23

11:33 am-11:59 pm

1 stop10h 26m

Boston Logan Intl

Wed 5/27

4:48 pm-11:58 pm

1 stop9h 10m

$373

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 5/27

1:25 pm-12:15 am

1 stop8h 50m

Boston Logan Intl

Sun 5/31

6:00 am-4:03 pm

2 stops12h 03m

$378

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 9/22

12:35 pm-11:55 pm

1 stop9h 20m

Boston Logan Intl

Sat 10/3

6:00 am-2:40 pm

1 stop10h 40m

$408

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 9/22

12:35 pm-11:55 pm

1 stop9h 20m

Boston Logan Intl

Sat 10/3

6:30 am-3:56 pm

2 stops11h 26m

$413

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 6/2

6:15 am-5:44 am

2 stops21h 29m

Boston Logan Intl

Fri 6/5

7:11 pm-10:51 am

1 stop17h 40m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Kalispell to Boston

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

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

What is the cheapest month to fly to Boston?

In general, March is the cheapest month to fly from Kalispell to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of March, then book flights to Boston from Kalispell during January instead. Flights to Boston in January, while not as cheap as those in March, still average around $0.

Can stopping save me money on Kalispell to Boston flights?

You could potentially save up to 50% on your flight if you consider stops on a Kalispell to Boston flight.

How have Kalispell to Boston flight prices changed over time?

As of May 2026, prices for Kalispell to Boston flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from Kalispell to Boston

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

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

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

Fastest flight time

6h 52m

Direct flights

None
The fastest flight from Kalispell to Boston takes 6h 52m
There are no direct flights from Kalispell to Boston. There are no popular flight routes from Kalispell to Boston.
Search flight deals

Frequently asked questions about flying from Kalispell to Boston

  • How far is Kalispell Glacier Park to Boston Logan Intl by plane?

    Kalispell Glacier Park and Boston Logan Intl are 2110.7 mi apart from one another. 6h 52m is a normal flight duration for this route.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl 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 Boston Logan Intl 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 Kalispell to Boston?

Best airlines flying from Kalispell to Boston

Compare and see reviews for airlines that fly from Kalispell to Boston with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $286Free CancellationRating
7.9
8,454 reviews
Search Delta flights
United AirlinesPriceFrom $381Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
Cambridge
South Yarmouth
Gloucester
Narragansett
Brockton
Falmouth
Chatham
Warwick
Sturbridge
Laconia
Dennis Port
Everett

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kalispell to Boston. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Boston from Kalispell which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Kalispell to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Kalispell and alert you when they change.

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