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$195 Cheap Flights from Boston (BOS) to Kalispell (FCA)

View $195 flight on Tue, Sep 15, 2026Opens in a new window

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

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Cheap Flights from Boston to Kalispell (BOS-FCA)

Prices were available within the past 7 days and start at $195 for one-way flights and $389 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Aug 29 - Fri, Sep 4
BOS
Boston
FCA
Kalispell
$389 Roundtrip, found 1 hour ago
$389
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Aug 29 from Boston to Kalispell, returning Fri, Sep 4, priced at $389 found 1 hour ago
Delta
Sat, Aug 29 - Fri, Sep 4
BOS
Boston
FCA
Kalispell
$389 Roundtrip, found 1 hour ago
$389
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Aug 29 from Boston to Kalispell, returning Fri, Sep 4, priced at $389 found 1 hour ago
Alaska Airlines
Tue, Jan 19 - Sun, Jan 24
BOS
Boston
FCA
Kalispell
$394 Roundtrip, found 9 hours ago
$394
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Tue, Jan 19 from Boston to Kalispell, returning Sun, Jan 24, priced at $394 found 9 hours ago
United
Wed, Nov 11 - Wed, Nov 18
BOS
Boston
FCA
Kalispell
$399 Roundtrip, found 3 days ago
$399
Roundtrip
found 3 days ago
Select United flight, departing Wed, Nov 11 from Boston to Kalispell, returning Wed, Nov 18, priced at $399 found 3 days ago
Bargain Flight
Wed, May 26 - Wed, Jun 2
BOS
Boston
FCA
Kalispell
$407 Roundtrip, found 4 hours ago
$407
Roundtrip
found 4 hours ago
Select Bargain Flight flight, departing Wed, May 26 from Boston to Kalispell, returning Wed, Jun 2, priced at $407 found 4 hours ago
United
Sat, Oct 24 - Sat, Oct 31
BOS
Boston
FCA
Kalispell
$411 Roundtrip, found 20 hours ago
$411
Roundtrip
found 20 hours ago
Select United flight, departing Sat, Oct 24 from Boston to Kalispell, returning Sat, Oct 31, priced at $411 found 20 hours ago
United
Mon, Aug 31 - Thu, Sep 3
BOS
Boston
FCA
Kalispell
$414 Roundtrip, found 1 day ago
$414
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 31 from Boston to Kalispell, returning Thu, Sep 3, priced at $414 found 1 day ago
United
Tue, Nov 10 - Tue, Nov 17
BOS
Boston
FCA
Kalispell
$415 Roundtrip, found 3 days ago
$415
Roundtrip
found 3 days ago
Select United flight, departing Tue, Nov 10 from Boston to Kalispell, returning Tue, Nov 17, priced at $415 found 3 days ago
United
Tue, Sep 15 - Tue, Sep 22
BOS
Boston
FCA
Kalispell
$416 Roundtrip, just found
$416
Roundtrip
just found
Select United flight, departing Tue, Sep 15 from Boston to Kalispell, returning Tue, Sep 22, priced at $416 just found
American Airlines
Thu, Oct 1 - Thu, Oct 8
BOS
Boston
FCA
Kalispell
$417 Roundtrip, found 1 day ago
$417
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 1 from Boston to Kalispell, returning Thu, Oct 8, priced at $417 found 1 day ago

What you need to know for your flight from Logan Intl. to Glacier Park Intl.

Boston (BOS) to Kalispell (FCA) at a glance

Discover a range of Kalispell flights connecting Boston (BOS) to Kalispell (FCA) on this long domestic route. You can compare various options from full-service airlines to pinpoint the ideal itinerary that aligns with your budget and travel plans. As you prepare to explore the renowned attractions and neighborhoods of Kalispell, check out the essential details for flights departing from Logan International Airport (BOS) to Glacier Park International Airport (FCA).

  • Fastest flight duration: around 6h 45m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 2,100 miles (3,380 km)
  • Flights per week: around 11 departures on average
  • Typical fares (one-way): economy tickets often range from $160–$540, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Glacier Park International Airport (FCA)

Based on the latest traveler bookings, here are the top airlines favored for flights from Boston to Kalispell, primarily for one-stop and multi-stop itineraries. Common layover points include O'Hare International Airport (ORD) with a layover of about 55 minutes, Denver International Airport (DEN) offering around 1 hour and 15 minutes, and Minneapolis - St. Paul International Airport (MSP) with a layover of approximately 1 hour and 45 minutes. This allows you to customize your journey by balancing cost, total travel time, and cabin class for the best travel experience.

  • United: This full-service airline provides a convenient one-stop service, with one-way ticket prices generally ranging from $160 to $640. It is responsible for around 40% of departures along this route, featuring an in-flight duration of 6 hours and 45 minutes, resulting in a total travel time of approximately 8 hours and 30 minutes (including layover).
  • Delta: Offering a comprehensive one-stop service, this full-service carrier has one-way fares that typically fall between $160 and $670. Delta accounts for about 27% of the departures on this route, with the same in-flight time of 6 hours and 45 minutes, leading to a total journey time of around 8 hours and 30 minutes (including layover).
  • American Airlines: Another full-service option providing one-stop service, American Airlines' one-way fares usually range from $160 to $430. It represents roughly 26% of departures for this route, maintaining an in-flight time of 6 hours and 45 minutes, with the overall journey time being approximately 8 hours and 30 minutes (including layover).
  • Alaska Airlines: This full-service airline also offers one-stop service, with one-way prices typically between $170 and $480. Alaska Airlines accounts for about 7% of the departures on this route, with a consistent in-flight duration of 6 hours and 45 minutes, resulting in a total travel time of around 8 hours and 30 minutes (including layover).

Travelers flying from Boston to Kalispell can opt for an upgraded experience, as United offers first-class service on this route for enhanced comfort and amenities.

Best time to fly from Boston (BOS) to Kalispell (FCA)

The most popular months for travelers flying from Boston to Kalispell are June, July, and August, when peak temperatures in Kalispell reach up to 66.9°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 19.9°F. For better deals, October usually offers the lowest average one-way fare around $233. Flight availability peaks in August, with approximately 17 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: October usually offers good deals with average one-way fare around $233, roughly 32% cheaper than the yearly average.
  • Another budget-friendly time to fly: August typically offers an average one-way fare of around $265.
  • Most flight options: August has the highest number of flights from Boston to Kalispell, with approximately 17 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January19.9°F (-6.7°C)Low8$295
February20.3°F (-6.5°C)Average10$387
March30.2°F (-1.0°C)Average8$418
April38.5°F (3.6°C)Average8$295
May49.8°F (9.9°C)Average9$290
June57.7°F (14.3°C)High14$337
July66.9°F (19.4°C)High16$372
August65.8°F (18.8°C)High17$265
September55.8°F (13.2°C)Average14$288
October40.8°F (4.9°C)Average9$233
November28.4°F (-2.0°C)Low8$363
December20.3°F (-6.5°C)Low8$568

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Boston (BOS) to Kalispell (FCA)

  • Norwood to Kalispell (OWD-FCA): Located approximately 15 miles from Logan International Airport (BOS), Norwood Memorial Airport (OWD) serves as a convenient departure point.

How to find the best prices for flights from Boston (BOS) to Kalispell (FCA)

Getting some of the best deals on flights from Boston to Kalispell is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, which is when most travelers make their reservations. Evening departures (6 PM to 12 AM) tend to be less expensive, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Tuesday generally offers lower prices, although Monday remains the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Kalispell hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Glacier Park International Airport from Logan International Airport

Kalispell welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Kalispell efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Kalispell, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Glacier Park International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Glacier Park International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Glacier Park International Airport, Whitefish Seaport, a seaport, is about 8.1 miles from the airport, while Whitefish Depot, a train station, is approximately 8.3 miles away.

Frequently asked questions

How much does a flight from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) cost?
You can find cheap one-way flights from $195 and cheap return flights from $389 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) with Expedia. One-way flights generally range between $217 and $1532, and roundtrip flights usually range from $514 to $1993. 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
October is the cheapest month to fly from Boston, MA (BOS) to Kalispell, MT (FCA), with average round-trip fares around $465. This price is about 18% lower than the average throughout the year, as demand typically decreases after the summer travel season. Other budget-friendly months include January and May.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
Enter BOS to FCA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Logan Intl. (BOS) to Glacier Park Intl. (FCA) starting from around $296 for a round-trip ticket with a layover in Ronald Reagan Washington National (DCA). 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
When flying from Boston, MA (BOS) to Kalispell, MT (FCA), October and May are the best months to fly. You can expect to pay around $465 for a return flight during these months, which are the cheapest. These months are ideal as they fall outside the peak summer travel season, allowing for more affordable fares and a more pleasant travel experience.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) typically departs at around 5:00 AM, operated by American Airlines. This early start can help you make the most of your time in Kalispell. 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
The most popular departure times for flights from Boston (BOS) to Kalispell (FCA) are in the early morning, from 6am to 9am. About 53% of passengers prefer this time window. Many major carriers, including Delta, United and American Airlines, offer flights during this window. This timing is favored as it lets you arrive in Kalispell with plenty of time to enjoy the day.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
Flying from BOS to FCA with a connection usually takes about 8 hours 30 minutes, traveling roughly 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
First class seats are offered on the BOS to FCA route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park 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 Kalispell from Logan Intl. (BOS)?
From Logan Intl. (BOS), you can fly into Glacier Park Intl. (FCA) to reach Kalispell. Some flights may connect through major hubs like O'Hare Intl. (ORD), Liberty Intl. (EWR), Washington Dulles Intl. (IAD) before reaching Kalispell. 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.) flight and hotel package 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 Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park Intl.)?
If you booked your Boston, MA (BOS-Logan Intl.) to Kalispell, MT (FCA-Glacier Park 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
Logan Intl.
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$388
Distance
2110 mi

Book with confidence

Boston to Kalispell Flights

The cheapest times to fly from Boston to Kalispell

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 Boston to Kalispell are during the month of August. You can find some of the cheapest flights from Boston to Kalispell with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Boston to Kalispell

Sunday is one of the best days to book for cheap flights from Boston to Kalispell: 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 Boston to Kalispell

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 Boston to Kalispell in 2026. You can also book with separate airlines for your outbound and return journeys, from $195 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 Boston to Kalispell 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 Boston to Kalispell 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.

 

Boston to Kalispell Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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