Cheap flights from Kalispell to Boston from $159
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kalispell to Boston departing on 9/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Kalispell to Boston
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Kalispell and Boston?
What is the cheapest month to fly to Boston?
In general, January is the cheapest month to fly from Kalispell to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $428. If you aren’t able to travel during the month of January, then book flights to Boston from Kalispell during April instead. Flights to Boston in April, while not as cheap as those in January, still average around $454.
What is the cheapest day to depart on your flight to Boston?
The cheapest day to depart from Kalispell to Boston is on a Monday when prices can be found for as low as $503. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $846.
What is the cheapest time of day to depart on your flight to Boston?
According to our data, the cheapest time of day to fly to Boston is at noon. momondo users have found flights departing from Kalispell to Boston at noon for as low as $518. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Boston, so prices are often more expensive at around $653 per ticket.
How far in advance should I book a flight to Boston?
You are more likely to see cheaper flights to Boston from Kalispell when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $541 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Kalispell for as low as $411 on momondo.
Can stopping save me money on Kalispell to Boston flights?
You could potentially save up to 14% on your flight if you consider stops on a Kalispell to Boston flight.
How have Kalispell to Boston flight prices changed over time?
As of June 2025, prices for Kalispell to Boston flights are approximately 11% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Kalispell Glacier Park to Boston Logan Intl?
American Airlines, Delta, and Allegiant Air are the most popular carriers operating from Kalispell Glacier Park to Boston Logan Intl
What airlines fly to Boston?
Delta, United Airlines and Alaska Airlines are the top three most popular airlines that fly to Boston from Kalispell according to our data. Delta is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Boston. Keep in mind that there are 4 different airlines that fly to Boston on a routine basis, so you have a few additional options to choose from.
When to book flights from Kalispell to Boston
Cheap Kalispell to Boston (FCA to BOS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Kalispell to Boston
How far is Kalispell Glacier Park to Boston Logan Intl by plane?
Kalispell Glacier Park and Boston Logan Intl are 2110.7 mi apart from one another. 7h 19m is a normal flight duration for this route.
When did momondo last update prices for flights from Kalispell Glacier Park Airport to Boston Logan Intl Airport?
Prices for flights from Kalispell Glacier Park Airport to Boston Logan Intl Airport were last updated today.
How many operators does momondo search for flights from Kalispell Glacier Park Airport to Boston Logan Intl Airport?
There are 4 operators available for flights from Kalispell Glacier Park Airport to Boston Logan Intl Airport as of June 2025.
How old do you have to be to fly from Kalispell Glacier Park Airport to Boston Logan Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kalispell Glacier Park Airport to Boston Logan Intl Airport.
What documentation or ID do you need to fly to Boston Logan Intl Airport?
The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Kalispell to Boston?
Based on momondo bookings for flights between Kalispell and Boston, the leading airline is Delta, making up 46% of the total bookings. Other popular airlines include United Airlines with 31%, American Airlines with 12%, and Alaska Airlines with 10%.
Best airlines flying from Kalispell to Boston
Compare and see reviews for airlines that fly from Kalispell to Boston with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $306 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $306 | Free Cancellation | Rating 8.0 7,963 reviews | |||
| PriceFrom $397 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $428 | Free Cancellation | Rating 7.4 8,838 reviews |
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Kalispell to Boston?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kalispell to Boston. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Kalispell to Boston with flexible booking policies on momondo?
momondo does allow users to show only those flights to Boston from Kalispell which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Kalispell to Boston?
Once all potential Kalispell to Boston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Kalispell to Boston right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Boston, momondo offers a useful price alert feature which will track prices for flights to Boston from Kalispell and alert you when they change.