Cheap Flights from Boston to Kalispell (BOS-FCA)

Cheap Flights from Boston to Kalispell

Worldwide Coverage

Flights to over 5,000 cities

One-stop Service Guarantee

Price guaranteed upon confirmed payment, booking guaranteed once tickets issued

Secure Payment

Convenient & reliable booking and payment system

Cheap Flights from Boston to Kalispell starting at S$ 192

Discover our range of affordable one-way and round-trip flights from Boston to Kalispell and kick-start your next adventure today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Boston to Kalispell Flight Time

Flight info.

Departure

Arrival

Weekly Schedule

B6117

Jetblue Airways

05:30

BOS

1.4h

06:53

JFK

-MTWT--

AS021

Alaska Airlines

07:29

JFK

6.1h

10:37

SEA

SMTWT-S

AS2284

Alaska Airlines

21:40

SEA

1.3h

23:58

FCA

SMTWTFS

DL2303

Delta Air Lines

05:40

BOS

3.5h

08:12

MSP

SMTWTFS

DL2575

Delta Air Lines

11:50

MSP

3.0h

13:51

FCA

SMTWTFS

AS459

Alaska Airlines

07:30

BOS

6.2h

10:40

SEA

SMTWTFS

AS2072

Alaska Airlines

13:00

SEA

1.4h

15:23

FCA

SMTWTFS

AS537

Alaska Airlines

09:00

BOS

6.2h

12:09

SEA

SMTWTFS

AS2284

Alaska Airlines

21:40

SEA

1.3h

23:58

FCA

SMTWTFS

UA662

United Airlines

09:10

BOS

4.8h

12:01

DEN

SMTWTF-

UA5913

United Airlines

13:43

DEN

2.4h

16:09

FCA

SMTWTFS

B61517

Jetblue Airways

10:06

BOS

1.2h

11:20

JFK

-MTWT--

AS031

Alaska Airlines

16:54

JFK

6.1h

20:00

SEA

SMTWTFS

AS2284

Alaska Airlines

21:40

SEA

1.3h

23:58

FCA

SMTWTFS

B6617

Jetblue Airways

12:15

BOS

1.3h

13:30

JFK

SMTWTFS

AS031

Alaska Airlines

16:54

JFK

6.1h

20:00

SEA

SMTWTFS

AS2284

Alaska Airlines

21:40

SEA

1.3h

23:58

FCA

SMTWTFS

UA778

United Airlines

15:17

BOS

5.0h

18:14

DEN

SMTWTFS

UA696

United Airlines

19:17

DEN

2.2h

21:30

FCA

SMTWTFS

DL321

Delta Air Lines

18:00

BOS

6.9h

21:56

LAX

SMTWTFS

DL2906

Delta Air Lines

05:45

LAX

2.0h

08:47

SLC

SMTWTFS

DL3801

Delta Air Lines

09:50

SLC

2.0h

11:52

FCA

SMTWTFS

DL445

Delta Air Lines

18:25

BOS

5.7h

22:09

SLC

SMTWTFS

DL1464

Delta Air Lines

21:20

SLC

1.8h

23:07

FCA

SMTWTFS

Find more flights and airlines

Cheapest time to fly from Boston to Kalispell

Explore the best time to buy affordable tickets to Kalispell with our price trend chart, which predicts how flight prices will change in the coming weeks from previous data.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

When to buy flight tickets from Boston (BOS) to Kalispell (FCA) the cheapest?
Airlines adjust prices for flights from Boston to Kalispell based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much is a flight from Boston (BOS) to Kalispell (FCA) cost?
According to Trip.com's data, the lowest price is around S$ 793.
What is the transportation method from the main airport to downtown in Kalispell?
- The distance from Glacier Park International Airport to downtown is about 12km, by taxi about 30 minutes.
How many airports in Kalispell?
There are 1 airports near Kalispell: Glacier Park International Airport.

How to find a cheap flight from Boston to Kalispell

If you don’t know some of the key things to look out for when buying flight tickets, prices can often end up sky high or, worse, sold out! We’ve carefully compiled our six most important steps to help ensure you’re getting the best deals when planning your next journey.

Choose your dates flexibly and get the best deals on flights from Boston to Kalispell.

Tap 'Date' on the flight search bar to browse the calendar for Boston to Kalispell airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Wed, Apr 23, with one-way flights starting at S$ 192.

Compare cheap flight deals from hundreds of airlines for Boston to Kalispell flights.

Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Boston to Kalispell. The cheapest flight at the moment is with Delta Air Lines.

Set up a Price Alert

Set up a Price Alert for your Boston to Kalispell flights and track ticket prices easily—no need for daily checks.

Don't miss out on cheap deals and promo codes for Boston to Kalispell flights.

You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.

Book early or wait for last-minute deals.

It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.

Search for flights on the go.

For the best flight booking experience on the go, download Trip.com and search for cheap flights from Boston to Kalispell to get your exclusive deals.

Find cheapest flight ticket from Boston to Kalispell

Cheapest direct flight price	S$ 191
Off-season for travel	March
Peak season for travel	December
Flight distance	3,397.97km
Popular airline	Alaska Airlines