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$190 Cheap Flights from Kalispell (FCA) to Boston (BOS)

View $190 flight on Sat, Oct 24, 2026Opens in a new window

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

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Cheap Flights from Kalispell to Boston (FCA-BOS)

Prices were available within the past 7 days and start at $190 for one-way flights and $379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 24 - Sat, Oct 31
FCA
Kalispell
BOS
Boston
$379 Roundtrip, just found
$379
Roundtrip
just found
Select United flight, departing Sat, Oct 24 from Kalispell to Boston, returning Sat, Oct 31, priced at $379 just found
Alaska Airlines
Sat, Oct 24 - Sat, Oct 31
FCA
Kalispell
BOS
Boston
$379 Roundtrip, just found
$379
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Oct 24 from Kalispell to Boston, returning Sat, Oct 31, priced at $379 just found
Delta
Sat, Oct 24 - Sat, Oct 31
FCA
Kalispell
BOS
Boston
$379 Roundtrip, just found
$379
Roundtrip
just found
Select Delta flight, departing Sat, Oct 24 from Kalispell to Boston, returning Sat, Oct 31, priced at $379 just found
American Airlines
Sat, Oct 24 - Sat, Oct 31
FCA
Kalispell
BOS
Boston
$379 Roundtrip, just found
$379
Roundtrip
just found
Select American Airlines flight, departing Sat, Oct 24 from Kalispell to Boston, returning Sat, Oct 31, priced at $379 just found
United
Sat, Oct 24 - Sat, Oct 31
FCA
Kalispell
BOS
Boston
$384 Roundtrip, just found
$384
Roundtrip
just found
Select United flight, departing Sat, Oct 24 from Kalispell to Boston, returning Sat, Oct 31, priced at $384 just found
Delta
Thu, Jun 10 - Tue, Jun 15
FCA
Kalispell
BOS
Boston
$389 Roundtrip, found 20 hours ago
$389
Roundtrip
found 20 hours ago
Select Delta flight, departing Thu, Jun 10 from Kalispell to Boston, returning Tue, Jun 15, priced at $389 found 20 hours ago
United
Sat, Oct 24 - Sat, Oct 31
FCA
Kalispell
BOS
Boston
$389 Roundtrip, just found
$389
Roundtrip
just found
Select United flight, departing Sat, Oct 24 from Kalispell to Boston, returning Sat, Oct 31, priced at $389 just found
Alaska Airlines
Mon, Nov 16 - Sat, Dec 5
FCA
Kalispell
BOS
Boston
$394 Roundtrip, found 1 day ago
$394
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Nov 16 from Kalispell to Boston, returning Sat, Dec 5, priced at $394 found 1 day ago
Bargain Flight
Thu, Nov 5 - Thu, Nov 12
FCA
Kalispell
BOS
Boston
$398 Roundtrip, found 4 days ago
$398
Roundtrip
found 4 days ago
Select Bargain Flight flight, departing Thu, Nov 5 from Kalispell to Boston, returning Thu, Nov 12, priced at $398 found 4 days ago
United
Mon, Oct 19 - Fri, Oct 23
FCA
Kalispell
BOS
Boston
$399 Roundtrip, found 1 hour ago
$399
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Oct 19 from Kalispell to Boston, returning Fri, Oct 23, priced at $399 found 1 hour 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 $647
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $647

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

April is typically the cheapest month to fly

From $296 - $661 per traveler.

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

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

Travel from Kalispell (FCA) to Boston (BOS) with a variety of airlines on this domestic short-haul route. Explore options for Kalispell to Boston flights, comparing itineraries from full-service carriers to find the right fit for your budget and schedule. As you prepare to discover Boston's iconic landmarks and neighborhoods, gather key details for flights from Glacier Park International Airport to Logan International Airport.

  • Fastest flight duration: around 6 hours in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 2,100 miles (3,380 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $150–$545, depending on seasonality and how far ahead you book

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

According to recent traveler bookings, here are the top airlines preferred for flights from Kalispell to Boston, particularly for one-stop and multi-stop journeys. Many travelers opt for connections through popular layover hubs such as O'Hare International Airport (ORD) with an average layover of about 1 hour and 15 minutes, Minneapolis-St. Paul International Airport (MSP) at approximately 1 hour and 30 minutes, and Denver International Airport (DEN) also around 1 hour and 15 minutes. This variety allows you to customize your itinerary based on price, total travel time, and cabin class.

  • Delta: As a full-service airline, Delta provides both one-stop and multi-stop options, with one-way ticket prices generally between $150 and $625. It represents roughly 38% of the departures on this route, with an in-flight duration of about 6 hours and a complete travel time of around 7 hours and 30 minutes.
  • United: Another full-service option, United offers one-stop flights with one-way fares typically falling between $160 and $635. This airline accounts for about 29% of all departures on this route, featuring a flight time of 6 hours and a total journey time of approximately 7 hours and 30 minutes, including layovers.
  • Alaska Airlines: Providing one-stop service, Alaska Airlines is a full-service carrier with one-way fares usually ranging from $160 to $585. It makes up approximately 17% of departures along this route, having an in-flight duration of 6 hours and a total travel time of around 7 hours and 30 minutes, including layover times.
  • American Airlines: This full-service airline offers one-stop routes with one-way fares typically priced between $160 and $560. American Airlines comprises about 16% of the departures on this route, featuring a flight time of 6 hours and a total journey time of roughly 7 hours and 30 minutes, including any layovers.

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

The most popular months for travelers flying from Kalispell to Boston are July, August, and September, when peak temperatures in Boston reach up to 73.6°F in July. If you prefer quieter travel, consider November, the least busy time to visit with temperatures around 44.4°F and typically the lowest average one-way fare (around $200). Flight availability peaks in August, with approximately 14 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: November usually offers good deals with average one-way fare around $200, roughly 36% cheaper than the yearly average.
  • Most flight options: August has the highest number of flights from Kalispell to Boston, with approximately 14 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January30.0°F (-1.1°C)Average9$408
February31.5°F (-0.3°C)Low7$327
March37.9°F (3.3°C)Average8$418
April48.2°F (9.0°C)Average8$310
May58.5°F (14.7°C)Average10$284
June66.6°F (19.2°C)Average11$271
July73.6°F (23.1°C)High13$364
August72.7°F (22.6°C)High14$327
September65.7°F (18.7°C)High11$351
October55.6°F (13.1°C)Average8$289
November44.4°F (6.9°C)Low7$200
December36.3°F (2.4°C)Low9$240

*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 Kalispell (FCA) to Boston (BOS)

  • Kalispell to Norwood (FCA-OWD): Norwood Memorial Airport (OWD) is located approximately 15 miles from Logan International Airport (BOS).

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

Getting some of the best deals on flights from Kalispell to Boston 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 typically found when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Afternoon departures, from 12 PM to 6 PM, often provide lower prices and are the most popular. Additionally, flying on Thursday usually results in cheaper fares, while Saturday remains the most popular 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.*
  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 Logan International Airport from Glacier Park International Airport

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

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Boston, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Logan International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Logan 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 Logan International Airport, travelers will find Airport Station, a metro station, located about 0.9 miles away by car, while Chelsea Station, a train station, is approximately 2.8 miles away by car. For those looking to travel by sea, Boston Seaport is situated around 3.1 miles from the airport, easily accessible by car.

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 $190 and cheap return flights from $379 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
$378
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 October. 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 $190 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.

 

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