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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 4/22. 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.
Delta Logo
6:10 pm - 6:00 am
FCA
-
BOS
9h 50m
1 stop
Delta Logo
5:50 am - 1:54 pm
BOS
-
FCA
10h 04m
1 stop
$357Delta
Wed, Apr 29 - Sun, May 3
Delta Logo
5:05 am - 5:04 pm
FCA
-
BOS
9h 59m
2 stops
Delta Logo
5:50 am - 1:54 pm
BOS
-
FCA
10h 04m
1 stop
$362Delta
Wed, Apr 29 - Sun, May 3
Delta Logo
12:10 pm - 11:59 pm
FCA
-
BOS
9h 49m
1 stop
Delta Logo
8:05 am - 1:54 pm
BOS
-
FCA
7h 49m
1 stop
$373Delta
Wed, Apr 8 - Tue, Apr 14
Delta Logo
12:10 pm - 11:59 pm
FCA
-
BOS
9h 49m
1 stop
Delta Logo
9:25 am - 5:30 pm
BOS
-
FCA
10h 05m
2 stops
$378Delta
Wed, Apr 8 - Tue, Apr 14
Alaska Airlines Logo
8:26 pm - 6:39 am
FCA
-
BOS
8h 13m
1 stop
Alaska Airlines Logo
6:00 am - 1:12 pm
BOS
-
FCA
9h 12m
1 stop
$389Alaska Airlines
Sun, Apr 5 - Thu, Apr 9
Delta Logo
6:10 pm - 6:00 am
FCA
-
BOS
9h 50m
1 stop
Delta Logo
5:50 am - 1:54 pm
BOS
-
FCA
10h 04m
1 stop
$398Delta
Thu, Apr 30 - Tue, May 5
Delta Logo
6:10 pm - 6:00 am
FCA
-
BOS
9h 50m
1 stop
Delta Logo
5:30 am - 1:54 pm
BOS
-
FCA
10h 24m
2 stops
$403Delta
Thu, Apr 30 - Tue, May 5
American Airlines Logo
1:25 pm - 12:15 am
FCA
-
BOS
8h 50m
1 stop
American Airlines Logo
7:00 am - 12:35 pm
BOS
-
FCA
7h 35m
1 stop
$408American Airlines
Tue, May 26 - Tue, Jun 9
American Airlines Logo
1:25 pm - 12:15 am
FCA
-
BOS
8h 50m
1 stop
American Airlines Logo
6:30 am - 4:03 pm
BOS
-
FCA
11h 33m
2 stops
$413American Airlines
Tue, May 26 - Tue, Jun 9
United Airlines Logo
2:33 pm - 11:59 pm
FCA
-
BOS
7h 26m
1 stop
United Airlines Logo
11:17 am - 9:27 pm
BOS
-
FCA
12h 10m
2 stops
$416United Airlines
Wed, Apr 8 - Tue, Apr 14

Delta flights from Kalispell to Boston

Our best Delta deals on Kalispell to Boston flight tickets
Delta
Apr 29
FCA6:10 pmKalispell Glacier Park
9h 50m
1 stop
BOS6:00 amBoston Logan Intl
May 3
BOS5:50 amBoston Logan Intl
10h 04m
1 stop
FCA1:54 pmKalispell Glacier Park
$357
Delta
Apr 29
FCA5:05 amKalispell Glacier Park
9h 59m
2 stops
BOS5:04 pmBoston Logan Intl
May 3
BOS5:50 amBoston Logan Intl
10h 04m
1 stop
FCA1:54 pmKalispell Glacier Park
$362
Delta
Apr 8
FCA12:10 pmKalispell Glacier Park
9h 49m
1 stop
BOS11:59 pmBoston Logan Intl
Apr 14
BOS5:50 amBoston Logan Intl
10h 04m
1 stop
FCA1:54 pmKalispell Glacier Park
$373

Alaska Airlines flights from Kalispell to Boston

Our best Alaska Airlines deals on Kalispell to Boston flight tickets
Alaska Airlines
Apr 5
FCA8:26 pmKalispell Glacier Park
8h 13m
1 stop
BOS6:39 amBoston Logan Intl
Apr 9
BOS6:00 amBoston Logan Intl
9h 12m
1 stop
FCA1:12 pmKalispell Glacier Park
$389
Alaska Airlines
Apr 9
FCA8:26 pmKalispell Glacier Park
8h 13m
1 stop
BOS6:39 amBoston Logan Intl
Apr 14
BOS6:00 amBoston Logan Intl
9h 12m
1 stop
FCA1:12 pmKalispell Glacier Park
$435
Alaska Airlines
Apr 9
FCA1:52 pmKalispell Glacier Park
8h 07m
1 stop
BOS11:59 pmBoston Logan Intl
Apr 13
BOS7:15 amBoston Logan Intl
14h 31m
1 stop
FCA7:46 pmKalispell Glacier Park
$494

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 March 25, 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

Wed 4/29

6:10 pm-6:00 am

1 stop9h 50m

Boston Logan Intl

Sun 5/3

5:50 am-1:54 pm

1 stop10h 04m

$357

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 4/29

5:05 am-5:04 pm

2 stops9h 59m

Boston Logan Intl

Sun 5/3

5:50 am-1:54 pm

1 stop10h 04m

$362

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 4/8

12:10 pm-11:59 pm

1 stop9h 49m

Boston Logan Intl

Tue 4/14

8:05 am-1:54 pm

1 stop7h 49m

$373

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 4/8

12:10 pm-11:59 pm

1 stop9h 49m

Boston Logan Intl

Tue 4/14

9:25 am-5:30 pm

2 stops10h 05m

$378

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Sun 4/5

8:26 pm-6:39 am

1 stop8h 13m

Boston Logan Intl

Thu 4/9

6:00 am-1:12 pm

1 stop9h 12m

$389

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Thu 4/30

6:10 pm-6:00 am

1 stop9h 50m

Boston Logan Intl

Tue 5/5

5:50 am-1:54 pm

1 stop10h 04m

$398

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Thu 4/30

6:10 pm-6:00 am

1 stop9h 50m

Boston Logan Intl

Tue 5/5

5:30 am-1:54 pm

2 stops10h 24m

$403
Quickest round-trip

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 5/26

1:25 pm-12:15 am

1 stop8h 50m

Boston Logan Intl

Tue 6/9

7:00 am-12:35 pm

1 stop7h 35m

$408

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 5/26

1:25 pm-12:15 am

1 stop8h 50m

Boston Logan Intl

Tue 6/9

6:30 am-4:03 pm

2 stops11h 33m

$413

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 4/8

2:33 pm-11:59 pm

1 stop7h 26m

Boston Logan Intl

Tue 4/14

11:17 am-9:27 pm

2 stops12h 10m

$416

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

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

Can stopping save me money on Kalispell to Boston flights?

You could potentially save up to 8% 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 March 2026, prices for Kalispell to Boston flights are approximately 22% cheaper 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 22m

Direct flights

None
The fastest flight from Kalispell to Boston takes 6h 22m
There are no direct flights from Kalispell to Boston. There are no popular flight routes from Kalispell to Boston.
Search flight deals

  • 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 22m 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
8,327 reviews
Search Delta flights
United AirlinesPriceFrom $381Free CancellationRating
7.4
9,478 reviews
Search United Airlines flights
American AirlinesPriceFrom $405Free CancellationRating
7.1
11,493 reviews
Search American 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
Narragansett
Gloucester
Falmouth
Brockton
Warwick
Chatham
Laconia
Nashua
Sturbridge
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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