Find flights
Deals
Insights
When to book
FAQs & Tips
Airlines

BOS - FCA

$155 Find cheap flights from Boston to Kalispell

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Kalispell departing on 8/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 7/6
Sat 7/13

Search hundreds of travel sites at once for deals on flights to Kalispell

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Kalispell, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Boston to Kalispell, as well as popular online travel agencies
In the last 7 days travelers have searched 43,995,393 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Boston to Kalispell (BOS-FCA)

 
These are the cheapest deals for flights from Boston to Kalispell currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Boston to Kalispell

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Boston to Kalispell.

Recent one-way flight deals from Boston to Kalispell

Only flying one-way? Below are some of the best one-way flight deals from Boston to Kalispell found on KAYAK recently.

Recent last minute flight deals from Boston to Kalispell

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Boston to Kalispell.

Recent direct flight deals from Boston to Kalispell

The latest deals for direct flights from Boston to Kalispell so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Boston to Kalispell

Find recent round-trip train or bus tickets from Boston to Kalispell.

All round-trip flight deals to Kalispell

The cheapest plane tickets to Kalispell found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:26 pm - 9:27 pmBOS-FCA
27h 01m2 stops
10:33 am - 1:42 amFCA-BOS
13h 09m2 stops
Sat, Jul 13 - Wed, Jul 17
9:45 am - 4:21 pmBOS-FCA
8h 36m1 stop
10:47 am - 9:51 pmFCA-BOS
9h 04m1 stop
$366United Airlines
Find Deal
Tue, Aug 20 - Fri, Aug 23
5:30 am - 10:41 amBOS-FCA
7h 11m1 stop
11:41 am - 12:21 amFCA-BOS
10h 40m2 stops
$371American Airlines
Find Deal
Sat, Sep 14 - Fri, Sep 20
6:00 am - 9:17 amBOS-FCA
29h 17m1 stop
10:20 am - 11:16 pmFCA-BOS
10h 56m1 stop
$385Sun Country Air
Find Deal
Fri, Jul 19 - Sat, Jul 27
11:25 am - 11:33 pmBOS-FCA
14h 08m2 stops
6:15 pm - 6:40 amFCA-BOS
10h 25m1 stop
$397Delta
Find Deal
Sat, Sep 14 - Fri, Sep 20
10:06 pm - 12:27 pmBOS-FCA
16h 21m1 stop
1:25 pm - 11:59 pmFCA-BOS
8h 34m1 stop
$415American Airlines
Find Deal
Sun, Aug 18 - Thu, Aug 22
3:00 pm - 12:35 amBOS-FCA
11h 35m2 stops
6:24 pm - 9:00 amFCA-BOS
12h 36m2 stops
$428Delta
Find Deal
Wed, Aug 14 - Mon, Aug 19
7:30 am - 9:17 amBOS-FCA
27h 47m1 stop
10:40 am - 10:26 amFCA-BOS
21h 46m1 stop
$430Sun Country Air
Find Deal
Fri, Jul 12 - Mon, Jul 15
7:14 am - 11:56 pmBOS-FCA
18h 42m2 stops
8:50 pm - 8:20 amFCA-BOS
33h 30m2 stops
$442Alaska Airlines
Find Deal
Tue, Sep 3 - Wed, Sep 18
7:59 pm - 11:57 pmBOS-FCA
29h 58m1 stop
4:28 pm - 11:43 pmFCA-BOS
29h 15m1 stop
$492Alaska Airlines
Find Deal
Fri, Oct 4 - Fri, Oct 11
11:06 am - 10:55 amBOS-FCA
25h 49m3 stops
Tue, Aug 27
11:06 am - 10:55 amBOS-FCA
25h 49m3 stops
Tue, Aug 27
6:45 am - 12:27 pmBOS-FCA
7h 42m1 stop
$183American Airlines
Find Deal
Tue, Aug 27
11:25 am - 11:33 pmBOS-FCA
14h 08m2 stops
$188Delta
Find Deal
Sat, Sep 14
7:59 pm - 11:02 amBOS-FCA
17h 03m1 stop
$189Alaska Airlines
Find Deal
Fri, Sep 27
6:30 pm - 11:52 pmBOS-FCA
7h 22m1 stop
$209Delta
Find Deal
Mon, Jul 22
5:30 am - 10:51 amBOS-FCA
7h 21m1 stop
$214American Airlines
Find Deal
Wed, Sep 11
7:00 am - 11:56 pmBOS-FCA
18h 56m1 stop
$227Alaska Airlines
Find Deal
Sat, Sep 14
5:50 am - 11:31 amBOS-FCA
7h 41m1 stop
$233United Airlines
Find Deal
Sun, Aug 18
4:36 pm - 4:21 pmBOS-FCA
25h 45m3 stops
$323United Airlines
Find Deal
Mon, Aug 19

Flights from Boston to Kalispell - Travel Insights & Trends

Get data-powered insights and trends into flights from Boston to Kalispell to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Boston to Kalispell?

The average price of all flights from Boston to Kalispell clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Kalispell on a Tuesday and more expensive on a Saturday. On your return trip to Boston, you should consider flying back on a Tuesday, and avoid Sundays for better deals.

What is the cheapest month to fly from Boston to Kalispell?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Boston to Kalispell, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Boston to Kalispell is January, where tickets cost $496 on average. On the other hand, the most expensive months are December and February, where the average cost of tickets is $957 and $776 respectively.

How far in advance should I book a flight from Boston to Kalispell?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Boston to Kalispell, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Boston to Kalispell, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 21 days before departure.

Which airlines provide the cheapest flights from Boston to Kalispell?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Boston to Kalispell were found on United Airlines ($366) and American Airlines ($371). Sun Country Air proposed the cheapest one-way flight at $168.

Good to know

Low season

April

High season

August

Cheapest flight

$155
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly with an average 2% increase in price.
Flight from Boston to Kalispell

When to book flights from Boston to Kalispell

Are your dates flexible? Find out the best times to travel from Boston to Kalispell based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Boston to Kalispell

  • Can I change or cancel my flight from Boston to Kalispell after booking?

    All domestic flights within the US have a 24-hour window from the time of original booking. During this time, you can change or cancel the flight with no penalty. After this 24-hour period, additional fees may apply for itinerary changes. Delta gives a refundable ticket option for each of their cabins, which includes free changes and is refundable. United Airlines also offers their Economy Flex fare for free changes.

  • Do I have to pay extra for bags on this flight?

    Baggage fees are determined by the airline and will also depend on the ticket type you choose. On Delta flights, all passengers can bring a personal item (that can fit under the seas) and a carry-on free of charge. Fees will be charged for any checked baggage unless you decide to upgrade to the First-Class cabin, which includes two checked bags. The Basic Economy fare on United does not include a carry-on bag and must be paid for along with any checked bags. Pay online for checked bags to get a discount and make the check-in process easier.

  • Can my child travel alone from Boston to Kalispell?

    Kids aged 5 to 14 can travel alone on United and Delta Air Lines through their Unaccompanied Minor programs. With this service, they will receive an escort through the airport upon arrival, as well as special snacks and entertainment during the flight. Parents are given a special pass that permits them to take their child up to the boarding gate. They will even be given a barcoded wristband which allows parents to track their journey.

  • How can I get from Kalispell Airport to Glacier National Park?

    Kalispell Airport is the nearest one to the West Entrance of Glacier National Park. From the airport, you can take a shuttle to the Whitefish Amtrak Station. Glacier Park operates these shuttles, and they leave every 15 minutes. Once at the station, take the train to West Glacier, where the park entrance is located. Car rental companies like Avis and Hertz are available at the airport to give you the most flexibility during your trip. Check KAYAK for some of the best rental rates.

  • What is the cheapest flight from Boston to Kalispell?

    In the last 3 days, the lowest price for a flight from Boston to Kalispell was $155 for a one-way ticket and $362 for a round-trip.

  • Do I need a passport to fly between Boston and Kalispell?

    No

  • Which aircraft models fly most regularly from Boston to Kalispell?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Boston to Kalispell?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Boston and Kalispell, with oneworld being the most commonly used for this route.

  • What is the most popular layover when flying to Kalispell from Boston?

    Chicago is the most popular layover city among KAYAK users traveling from Boston to Kalispell.

  • Which is the best airline for flights from Boston to Kalispell, Delta or Alaska Airlines?

    The two airlines most popular with KAYAK users for flights from Boston to Kalispell are Delta and Alaska Airlines. With an average price for the route of $633 and an overall rating of 8.0, Delta is the most popular choice. Alaska Airlines is also a great choice for the route, with an average price of $665 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Boston to Kalispell?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Boston to Kalispell.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Boston to Kalispell?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Kalispell from Boston is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Boston to Kalispell?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Kalispell with an airline and back to Boston with another airline. Booking your flights between Boston and FCA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Boston to Kalispell?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Kalispell from Boston up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from Boston to Kalispell

  • There are no direct flights along this route from Boston (BOS) to Kalispell (FCA), but most of them will have only one stop. Your flight might have a layover in Chicago (ORD), Seattle (SEA), Minneapolis (MSP), or Denver (DEN).
  • When you upgrade your Alaska Airlines flight from the Saver to the Main fare, you will have the freedom to choose your seat and change or cancel your flight. The Premium Class seats add 4 inches of legroom and complimentary cocktails during the flight.
  • Some Alaska Airlines flights will have a long layover of over 4 hours in Seattle (SEA). During the layover, you can relax in the Seattle D Concourse Lounge with complimentary food and drinks. You may purchase a day pass or have it included with a Business Class ticket.
  • If you need more time to think before booking your flight, United offers FareLock. For a small fee, you can lock in the price of a flight for up to 14 days.
  • Join Delta SkyMiles rewards program to stay connected during your flight. They now have free Wi-Fi available on most domestic flights.
See more tips

Top 4 airlines serving from Boston to Kalispell

 
See real verified KAYAK customer reviews for airlines flying from Boston to Kalispell. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Boston to Kalispell? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9222 reviews
8.2Boarding
8.6Crew
7.9Comfort
7.3Food
7.3Entertainment
Airline reviews

Thw crew was excellent but due to poor scheduling Alaska Airlines routed our flight to LAX then LAX to Seattle. This delayed our arrival at the airport by at least 5 hrs and really inconvenienced us in many ways...

2.0 MediocreAnonymous, Jun 2024DFW - SEA
Read more about Alaska Airlines reviews

Thw crew was excellent but due to poor scheduling Alaska Airlines routed our flight to LAX then LAX to Seattle. This delayed our arrival at the airport by at least 5 hrs and really inconvenienced us in many ways...

It was really good and that's why we choose AA over other airlines.

We loved the extra legroom on the flight and the fact that we didn’t have any one beside us.Everything was a n time and satisfactory.

In economy, there was actually a decent amount of legroom and it was shocking to be in a bathroom that actually had a little bit of space! It was far more spacious than Most airlines are today. It was pleasant because of that.

I booked flight for my son. He had an epilepsy episode while in line boarding the plane. No refund. WTF? Never again book with Kayak.

The queue before check-in was long and slow moving due to too few desks being open. THEN, WHEN WE FINALLY REACHED THE CHECK-IN DESK WE WERE CHARGED US$70 FOR 2 BAGS. What rubbed salt into the wound was the incredible number of large bags in people’s “carry on”.

I was unfortunately placed in the middle seat. Very, Very cramped.

Seats are uncomfortable but let room was adequate. The snack is pretty weak and the staff not particularly friendly.

Flight was on time, boarding was efficient, and crew was pleasant. It would have been a nice feature to have the seatback tvs as this was a cross country flight, but entertainment is not a requirement.

Flight was cancelled just before we boarded. I had to stayed an extra night in SF and arrived one day late. Also I had to flight back JFK and not Newark since they didn't have flight to Newark until very late the following day. A real bad experience on this flight. It took me 2 days to get back home.

Really bad baggage handling. Had my Rimowa bag badly damaged at the latches.

It was pretty good I was worried with the short Layover that I might not catch my connection but the gate was there

It was good until there was a 3 hour delay because there was not any pilots to fly the plane.

There was plenty of overhead room but half of the passengers were told they had to check their carryon bags. My partner and I checked in as early as possible and our seats were split across the aisle.

Friendly flight attendants. Comfort plus seats were very comfortable and had lots of leg room. 10A and 10 B.

Flew first class so everything was great. But maybe because the flights were red eye, no meals were served, just chips. I flew Alaska Air 1st class at 9PM (2 hour flight) and they served beef short rib sliders!

Had to change aircraft due to a faulty door. Surprisingly it only caused about an hour and a half of delay. Delta handled this situation as well as can be expected.

Awful. Flight was continuously getting delayed and gates kept changing without any reason. Flight was delayed for more then 3 hours

Paid premium for Delta only to be on safe but tired old 767 with ancient cabin in mediocre condition. Poor wifi and horrible inflight entertainment. Hardly a premium experience. Should have flown SW and had fun flight crew and no pretense

Our flight to Zurich was delayed by almost 3 hours, so we missed our next flight. There was no indication it would be delayed this much. We were told the gate had changed and then it apparently took over 2 hours to load the "catering" on the plane. We were not compensated in any way for the trouble.

After the morning frenzy of 35 min wait through CLT security at 4;30 AM, it was nice to have a smooth pleasant boarding experience. This 6:30 AM flight was not full. We were able to get seated swiftly and took off promptly. Nice touch they distributed the old fashioned headsets with 8 mm jacks. Snacks were decent and arrival was uneventful.

My window shade didn’t work. So I missed coming into my city. ☹️

Flight was delayed in the gate by 5 hours and ultimately cancelled- rebooking service by United agents was terrible

Flight was delayed due to the late arrival of the catering truck, which is quite unacceptable. There was a beverage service, but no pretzel, or cookie, or nuts were served in coach.

Not worth the price of premium class ticket paid, felt more like steerage.

Flighty delayed on boarding - then group 1 had to check their carry on bags but groups 3 and beyond could carry bags on - very inconvenient for weekend business trip with no checked baggage. Then delayed on the runway - before take off. No communication from pilot on why or how long. Wifi/Entertainment didn't work for 4+ flight. Upon arrival, attendants announced wrong carousel for baggage claim - everyone was waiting at the wrong place for their checked bags. This was a mess united!

I had a great flight. Everything went smoothly and the flight arrived early.

The flight and boarding were easy peasy. I was traveling with my 4-year-old, so a smooth boarding experience was especially appreciated. My only piece of feedback is really about where our gate was in O'Hare. They've shoved four gates into a tiny corner of the B terminal and there isn't early enough room or seating for everyone. Not United's problem, but did dent the overall experience.

Dinner was okay but the breakfast was not eatable on the flight San Francisco to Zurich.

There was no screens on board AND the WiFi didn’t work. My seat was broken and couldn’t recline so I couldn’t even sleep. The flight attendants didn’t offer anything to make it more comfortable. It was such an old cramped plane, when the person in front of me reclined I couldn’t even open my tray table. All the United ads talk about guaranteeing everyone gets a screen!

Everything was fine once we actually got on our flight. It was more then annoying they canceled (delayed) our flight. We lost out on a day of our trip along with money on our stay. Plus we had to book another hotel. So expensive.

This flight was canceled and delayed several times without explanation. The plane was freezing cold and no wifi for messaging. Getting off the plane was terribly unorganized and felt like it took forever….

The flight was delayed several times without explanation. The seats were terribly uncomfortable and wifi isn’t included. All these make for a less than ideal flight.

The flights was delayed by hours and it was the firmest landing I have experienced in my life. My back is still sore.

Internet service was erratic. Crew service was poor and slow. My luggage on this non-stop flight was lost and not recovered

Terrible. I didn’t fly and I had an important meeting the next day.

Equipment swap led to 2+ hour delay on international flight. And to top it off, boarding took forever.

Wretched scheduling - they got themselves into a critical crew situation and didn’t try to address it until 15 minutes before they had to cancel my flight

They cancelled two flight and got us onto another airline, which was also delayed.

Nothing, terrible travel experience due to weather and maintenance delays and was left stranded in Austin.

Book cheap flights from Boston to Kalispell

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Boston to Kalispell found on KAYAK in the last 72 hours.
8/27Tue
3 stops
25h 49mBOS-FCA
$155
8/27Tue
3 stops
25h 49mBOS-FCA
$156
8/27Tue
1 stopAmerican Airlines
7h 42mBOS-FCA
$183
9/14Sat
2 stopsDelta
14h 08mBOS-FCA
$188
9/27Fri
1 stopAlaska Airlines
17h 03mBOS-FCA
$189
7/22Mon
1 stopDelta
7h 22mBOS-FCA
$209
9/11Wed
1 stopAmerican Airlines
7h 21mBOS-FCA
$214
9/14Sat
1 stopAlaska Airlines
18h 56mBOS-FCA
$227
8/18Sun
1 stopUnited Airlines
7h 41mBOS-FCA
$233
8/19Mon
3 stopsUnited Airlines
25h 45mBOS-FCA
$323

Search by stops

Search by airline

Search by price

Boston - Kalispell Flights

Departure:

Boston (BOS)United States

Destination:

Kalispell (FCA)United States

Return flight deals:

Kalispell - Boston

Cabin classes: