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Cheap flights from Kalispell to Boston from $152

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 9/11. 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
1 adult, Economy, 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.
American Airlines Logo
2:12 pm - 11:36 pmFCA  Kalispell Glacier Park-BOS Boston Logan Intl
7h 24m1 stop Chicago O'Hare Intl
American Airlines Logo
5:54 am - 1:42 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
9h 48m1 stop Chicago O'Hare Intl
$379American Airlines
Thu, Oct 15 - Mon, Oct 19
United Airlines Logo
3:58 pm - 1:11 amFCA  Kalispell Glacier Park-BOS Boston Logan Intl
7h 13m1 stop Chicago O'Hare Intl
United Airlines Logo
6:01 am - 11:27 amBOS  Boston Logan Intl-FCA Kalispell Glacier Park
7h 26m1 stop Chicago O'Hare Intl
$379United Airlines
Fri, Sep 4 - Mon, Sep 7
Delta Logo
6:00 pm - 6:30 amFCA  Kalispell Glacier Park-BOS Boston Logan Intl
10h 30m1 stop Salt Lake City
Delta Logo
5:55 am - 1:25 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
9h 30m1 stop Minneapolis St Paul
$409Delta
Tue, Sep 22 - Sat, Oct 3
United Airlines Logo
12:26 pm - 9:59 pmFCA  Kalispell Glacier Park-BOS Boston Logan Intl
7h 33m1 stop Chicago O'Hare Intl
United Airlines Logo
6:00 am - 11:28 amBOS  Boston Logan Intl-FCA Kalispell Glacier Park
7h 28m1 stop Chicago O'Hare Intl
$414United Airlines
Tue, Sep 29 - Tue, Oct 6
United Airlines Logo
12:26 pm - 9:59 pmFCA  Kalispell Glacier Park-BOS Boston Logan Intl
7h 33m1 stop Chicago O'Hare Intl
United Airlines Logo
12:45 pm - 9:36 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
10h 51m2 stops Chicago O'Hare Intl Denver Intl
$420United Airlines
Tue, Sep 29 - Tue, Oct 6
American Airlines Logo
1:02 pm - 12:30 amFCA  Kalispell Glacier Park-BOS Boston Logan Intl
9h 28m1 stop Dallas/Fort Worth
American Airlines Logo
5:54 am - 1:42 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
9h 48m1 stop Chicago O'Hare Intl
$424American Airlines
Thu, Sep 24 - Mon, Oct 5
American Airlines Logo
1:02 pm - 11:34 pmFCA  Kalispell Glacier Park-BOS Boston Logan Intl
8h 32m1 stop Dallas/Fort Worth
American Airlines Logo
7:00 am - 1:27 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
8h 27m1 stop Chicago O'Hare Intl
$424American Airlines
Tue, Sep 29 - Sun, Oct 11
Delta Logo
6:00 pm - 6:30 amFCA  Kalispell Glacier Park-BOS Boston Logan Intl
10h 30m1 stop Salt Lake City
Delta Logo
5:55 am - 1:25 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
9h 30m1 stop Minneapolis St Paul
$429Delta
Tue, Sep 22 - Sat, Oct 3
Alaska Airlines Logo
7:45 pm - 7:26 amFCA  Kalispell Glacier Park-BOS Boston Logan Intl
9h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:40 pm - 12:23 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
19h 43m1 stop Seattle/Tacoma Intl
$439Alaska Airlines
Tue, Oct 13 - Tue, Oct 20
Alaska Airlines Logo
6:33 am - 4:46 pmFCA  Kalispell Glacier Park-BOS Boston Logan Intl
8h 13m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
12:00 pm - 11:59 pmBOS  Boston Logan Intl-FCA Kalispell Glacier Park
13h 59m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl
$524Alaska Airlines
Wed, Feb 3 - Sat, Feb 6

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Delta flights from Kalispell to Boston

Our best Delta deals on Kalispell to Boston flight tickets
Delta
Sep 22
FCA6:00 pmKalispell Glacier Park
10h 30m
1 stop
BOS6:30 amBoston Logan Intl
Oct 3
BOS5:55 amBoston Logan Intl
9h 30m
1 stop
FCA1:25 pmKalispell Glacier Park
$409
Delta
Sep 22
FCA6:00 pmKalispell Glacier Park
10h 30m
1 stop
BOS6:30 amBoston Logan Intl
Oct 3
BOS5:55 amBoston Logan Intl
9h 30m
1 stop
FCA1:25 pmKalispell Glacier Park
$429
Delta
Sep 22
FCA6:00 pmKalispell Glacier Park
10h 30m
1 stop
BOS6:30 amBoston Logan Intl
Oct 3
BOS5:55 amBoston Logan Intl
9h 30m
1 stop
FCA1:25 pmKalispell Glacier Park
$449

American Airlines flights from Kalispell to Boston

Our best American Airlines deals on Kalispell to Boston flight tickets
American Airlines
Oct 15
FCA2:12 pmKalispell Glacier Park
7h 24m
1 stop
BOS11:36 pmBoston Logan Intl
Oct 19
BOS5:54 amBoston Logan Intl
9h 48m
1 stop
FCA1:42 pmKalispell Glacier Park
$424
American Airlines
Sep 25
FCA1:02 pmKalispell Glacier Park
8h 32m
1 stop
BOS11:34 pmBoston Logan Intl
Oct 2
BOS7:45 amBoston Logan Intl
8h 48m
1 stop
FCA2:33 pmKalispell Glacier Park
$469
American Airlines
Oct 15
FCA2:12 pmKalispell Glacier Park
7h 24m
1 stop
BOS11:36 pmBoston Logan Intl
Oct 19
BOS9:25 pmBoston Logan Intl
18h 02m
2 stops
FCA1:27 pmKalispell Glacier Park
$476

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 August 12, 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 Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Thu 10/15

2:12 pm-11:36 pm

1 stop7h 24m

Boston Logan Intl

Mon 10/19

5:54 am-1:42 pm

1 stop9h 48m

$379
Quickest round-trip

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Fri 9/4

3:58 pm-1:11 am

1 stop7h 13m

Boston Logan Intl

Mon 9/7

6:01 am-11:27 am

1 stop7h 26m

$379

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Tue 9/22

6:00 pm-6:30 am

1 stop10h 30m

Boston Logan Intl

Sat 10/3

5:55 am-1:25 pm

1 stop9h 30m

$409

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Tue 9/29

12:26 pm-9:59 pm

1 stop7h 33m

Boston Logan Intl

Tue 10/6

6:00 am-11:28 am

1 stop7h 28m

$414

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Tue 9/29

12:26 pm-9:59 pm

1 stop7h 33m

Boston Logan Intl

Tue 10/6

12:45 pm-9:36 pm

2 stops10h 51m

$420

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Thu 9/24

1:02 pm-12:30 am

1 stop9h 28m

Boston Logan Intl

Mon 10/5

5:54 am-1:42 pm

1 stop9h 48m

$424

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Tue 9/29

1:02 pm-11:34 pm

1 stop8h 32m

Boston Logan Intl

Sun 10/11

7:00 am-1:27 pm

1 stop8h 27m

$424

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Tue 9/22

6:00 pm-6:30 am

1 stop10h 30m

Boston Logan Intl

Sat 10/3

5:55 am-1:25 pm

1 stop9h 30m

$429

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Tue 10/13

7:45 pm-7:26 am

1 stop9h 41m

Boston Logan Intl

Tue 10/20

6:40 pm-12:23 pm

1 stop19h 43m

$439

KalispellBoston

FCA Kalispell Glacier Park - BOS Boston Logan Intl

FCABOS

Kalispell Glacier Park

Wed 2/3

6:33 am-4:46 pm

1 stop8h 13m

Boston Logan Intl

Sat 2/6

12:00 pm-11:59 pm

2 stops13h 59m

$524

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?

Prices are currently low for flights on this route.

Typical prices usually range from $589 to $803.
The lowest price recently found on this route was $379.

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.

How have Kalispell to Boston flight prices changed over time?

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

7h 13m

Direct flights

None
The fastest flight from Kalispell to Boston takes 7h 13m
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. 7h 13m 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 $296Free CancellationRating
7.8
8,505 reviews
Search Delta flights
American AirlinesPriceFrom $356Free CancellationRating
7.1
11,913 reviews
Search American Airlines flights
United AirlinesPriceFrom $388Free CancellationRating
7.4
10,111 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
Ogunquit
Salem
Old Orchard Beach
Laconia
Hampton
Cambridge
South Yarmouth
Plymouth
Revere
Middletown
Kennebunkport
Warwick
Gloucester
York Beach
Everett
South Portland
Brockton
Seekonk
Falmouth

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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