$135 Cheap Flights from Kalispell (FCA) to Boston (BOS)

View $135 flight on Thu, Dec 25, 2025Opens in a new window

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

Cheap Flights from Kalispell to Boston (FCA-BOS)

Prices were available within the past 7 days and start at $135 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Thu, Dec 25 - Tue, Jan 6
FCA
Kalispell
BOS
Boston
$269 Roundtrip, found 6 hours ago
$269
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Thu, Dec 25 from Kalispell to Boston, returning Tue, Jan 6, priced at $269 found 6 hours ago
United
Fri, Dec 5 - Tue, Dec 9
FCA
Kalispell
BOS
Boston
$269 Roundtrip, found 2 days ago
$269
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 5 from Kalispell to Boston, returning Tue, Dec 9, priced at $269 found 2 days ago
United
Fri, Dec 5 - Tue, Dec 9
FCA
Kalispell
BOS
Boston
$274 Roundtrip, found 2 days ago
$274
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 5 from Kalispell to Boston, returning Tue, Dec 9, priced at $274 found 2 days ago
Alaska Airlines
Thu, Dec 25 - Thu, Jan 1
FCA
Kalispell
BOS
Boston
$283 Roundtrip, just found
$283
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Dec 25 from Kalispell to Boston, returning Thu, Jan 1, priced at $283 just found
Alaska Airlines
Thu, Mar 5 - Tue, Mar 10
FCA
Kalispell
BOS
Boston
$288 Roundtrip, found 1 day ago
$288
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Mar 5 from Kalispell to Boston, returning Tue, Mar 10, priced at $288 found 1 day ago
United
Fri, Dec 5 - Tue, Dec 9
FCA
Kalispell
BOS
Boston
$295 Roundtrip, found 2 days ago
$295
Roundtrip
found 2 days ago
Select United flight, departing Fri, Dec 5 from Kalispell to Boston, returning Tue, Dec 9, priced at $295 found 2 days ago
Hawaiian Airlines
Sat, Dec 13 - Thu, Jan 1
FCA
Kalispell
BOS
Boston
$296 Roundtrip, found 6 hours ago
$296
Roundtrip
found 6 hours ago
Select Hawaiian Airlines flight, departing Sat, Dec 13 from Kalispell to Boston, returning Thu, Jan 1, priced at $296 found 6 hours ago
Delta
Wed, Dec 24 - Tue, Jan 6
FCA
Kalispell
BOS
Boston
$297 Roundtrip, just found
$297
Roundtrip
just found
Select Delta flight, departing Wed, Dec 24 from Kalispell to Boston, returning Tue, Jan 6, priced at $297 just found
Delta
Wed, Mar 11 - Sun, Mar 15
FCA
Kalispell
BOS
Boston
$299 Roundtrip, found 2 days ago
$299
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Mar 11 from Kalispell to Boston, returning Sun, Mar 15, priced at $299 found 2 days ago
American Airlines
Sun, Aug 16 - Wed, Aug 19
FCA
Kalispell
BOS
Boston
$464 Roundtrip, found 1 hour ago
$464
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sun, Aug 16 from Kalispell to Boston, returning Wed, Aug 19, priced at $464 found 1 hour ago

Find the cheapest month to fly from Kalispell (FCA) to Boston (BOS)

June is typically the cheapest month to fly

From $281 - $816 per traveler.

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 $430
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $430

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS) cost?
Snag a cheap one-way flight from $135 or cheap return flight from $269 from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS)?
December is the cheapest month to fly from FCA to BOS. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from FCA to BOS. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS)?
You'll need to hop on a flight with a layover if you're traveling from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from FCA to BOS?
Usually you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS)?
To arrive at Logan Intl. Airport (BOS) on time, pick a flight that takes off from Glacier Park Intl. Airport (FCA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS) last-minute?
Booking your ticket from FCA to BOS right before your trip is typically more expensive. But if there's some wiggle room with your departure dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a FCA to BOS flight and hotel package?
You can save money by booking a FCA to BOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've chosen your preferred flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Logan Intl. Airport (BOS)?
If you reserved your FCA to BOS flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes after that time. 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, Delta, Hawaiian Airlines, United
Roundtrip price
$268
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 December. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $135 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

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*Available to One Key members.