$178 Cheap Flights from Kalispell (FCA) to Boston (BOS)

View $178 flight on Thu, Oct 1, 2026Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Logan International Airport (BOS)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Kalispell to Boston (FCA-BOS)

Prices were available within the past 7 days and start at $178 for one-way flights and $357 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 15 - Mon, Sep 21
FCA
Kalispell
BOS
Boston
$357 Roundtrip, found 16 hours ago
$357
Roundtrip
found 16 hours ago
Select United flight, departing Tue, Sep 15 from Kalispell to Boston, returning Mon, Sep 21, priced at $357 found 16 hours ago
United
Sat, Jun 6 - Tue, Jun 9
FCA
Kalispell
BOS
Boston
$362 Roundtrip, found 19 hours ago
$362
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Jun 6 from Kalispell to Boston, returning Tue, Jun 9, priced at $362 found 19 hours ago
American Airlines
Sat, Jun 6 - Tue, Jun 9
FCA
Kalispell
BOS
Boston
$368 Roundtrip, found 19 hours ago
$368
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Jun 6 from Kalispell to Boston, returning Tue, Jun 9, priced at $368 found 19 hours ago
Alaska Airlines
Fri, May 29 - Fri, Jun 5
FCA
Kalispell
BOS
Boston
$373 Roundtrip, found 3 days ago
$373
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, May 29 from Kalispell to Boston, returning Fri, Jun 5, priced at $373 found 3 days ago
United
Sat, Jun 13 - Tue, Jun 16
FCA
Kalispell
BOS
Boston
$387 Roundtrip, found 18 hours ago
$387
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Jun 13 from Kalispell to Boston, returning Tue, Jun 16, priced at $387 found 18 hours ago
United
Sat, Jun 13 - Tue, Jun 16
FCA
Kalispell
BOS
Boston
$387 Roundtrip, found 18 hours ago
$387
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Jun 13 from Kalispell to Boston, returning Tue, Jun 16, priced at $387 found 18 hours ago
United
Wed, Sep 9 - Sun, Sep 13
FCA
Kalispell
BOS
Boston
$388 Roundtrip, found 22 hours ago
$388
Roundtrip
found 22 hours ago
Select United flight, departing Wed, Sep 9 from Kalispell to Boston, returning Sun, Sep 13, priced at $388 found 22 hours ago
United
Tue, Jun 9 - Sat, Jun 13
FCA
Kalispell
BOS
Boston
$389 Roundtrip, found 3 days ago
$389
Roundtrip
found 3 days ago
Select United flight, departing Tue, Jun 9 from Kalispell to Boston, returning Sat, Jun 13, priced at $389 found 3 days ago
United
Tue, Aug 25 - Tue, Sep 1
FCA
Kalispell
BOS
Boston
$392 Roundtrip, found 3 days ago
$392
Roundtrip
found 3 days ago
Select United flight, departing Tue, Aug 25 from Kalispell to Boston, returning Tue, Sep 1, priced at $392 found 3 days ago
Delta
Thu, Nov 19 - Thu, Dec 3
FCA
Kalispell
BOS
Boston
$408 Roundtrip, found 5 hours ago
$408
Roundtrip
found 5 hours ago
Select Delta flight, departing Thu, Nov 19 from Kalispell to Boston, returning Thu, Dec 3, priced at $408 found 5 hours ago

Alternative airports near Boston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $535
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $535

Frequently asked questions

How much does a flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) cost?
You can find cheap one-way flights from $178 and cheap return flights from $357 Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) with Expedia. One-way flights typically cost between $202 and $1509, and return flights often range between $487 and $1833. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
February is the cheapest month to fly from Kalispell, MT (FCA) to Boston, MA (BOS), with average return fares around $325. This price is about 39% lower than the average throughout the year, as travel demand is typically lower during the winter months. Other budget-friendly months include April and November.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
Enter FCA to BOS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Kalispell (FCA) to Boston (BOS) with a layover in Dallas-Fort Worth Intl. (DFW), starting from around $316. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
To find a cheap flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
Flying from Kalispell (FCA) to Boston (BOS) is best done in February or November. Return flights during these months average around $325, making them budget-friendly options. February is perfect for winter sports enthusiasts, while November allows you to enjoy the fall foliage in New England.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
The earliest flight from Glacier Park International Airport (FCA) to Logan International Airport (BOS) typically departs at around 5:00 AM local time, operated by Delta. This seasonal service is active in February, November, and December, allowing you to start your travel day early and enjoy more time in Boston. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
The most popular departure times for flights from Kalispell, MT (FCA) to Boston, MA (BOS) are in the early afternoon, from 12pm to 3pm. About 39% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines, and Alaska Airlines, offer flights during this window. This timing is ideal as it allows you to enjoy a leisurely morning before heading to the airport.
How long does it take to fly from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
Flights from FCA to BOS with one stop typically take around 7 hours, covering approximately 2,111 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
Select the "Business class" and "First class" filters when looking for FCA to BOS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) flight with Expedia?
It's easy to earn miles on a Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Boston from Glacier Park Intl. (FCA)?
From Glacier Park Intl. (FCA), you can fly into Logan Intl. (BOS) to reach Boston. Some flights may connect through major hubs like Denver Intl. (DEN), Seattle - Tacoma Intl. (SEA), Salt Lake City Intl. (SLC) before reaching Boston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) at the last minute?
Typically, booking a last minute flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) flight and hotel package?
Securing a Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) Boston Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.)?
If you booked your Kalispell, MT (FCA-Glacier Park Intl.) to Boston, MA (BOS-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Glacier Park Intl.
Destination airport
Logan Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$356
Distance
2110 mi

Book with confidence

Kalispell to Boston Flights

The cheapest times to fly from Kalispell to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kalispell to Boston are during the month of September. You can find some of the cheapest flights from Kalispell to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Boston

Sunday is one of the best days to book for cheap flights from Kalispell to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kalispell to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kalispell to Boston in 2026. You can also book with separate airlines for your outbound and return journeys, from $178 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kalispell to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kalispell to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kalispell to Boston Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

Explore a world of travel with Expedia