Cheap Flights from Kalispell to Boston Logan International

Compare Kalispell to Boston Logan International flight deals

Find the cheapest month or even day of the year to fly to Boston Logan International

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Flight deals from Kalispell to Boston Logan International

Looking for a cheap last-minute deal or the best return flight from Kalispell Airport to Boston Logan International Airport? If you want to travel next month, return fares start from $1,408. Find the lowest prices on one-way and return tickets right here.

Boston.$676 per passenger.Departing Thu, 10 Sep, returning Sun, 13 Sep.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Thu, 10 Sep, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Sun, 13 Sep, arriving in Kalispell.Price includes taxes and charges.From $676, select.

Boston.$717 per passenger.Departing Wed, 14 Oct, returning Tue, 20 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Wed, 14 Oct, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Tue, 20 Oct, arriving in Kalispell.Price includes taxes and charges.From $717, select.

Boston.$868 per passenger.Departing Thu, 27 Aug, returning Wed, 2 Sep.Return flight with United.Outbound indirect flight with United, departs from Kalispell on Thu, 27 Aug, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Wed, 2 Sep, arriving in Kalispell.Price includes taxes and charges.From $868, select.

Boston.$972 per passenger.Departing Tue, 1 Dec, returning Tue, 8 Dec.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Tue, 1 Dec, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Tue, 8 Dec, arriving in Kalispell.Price includes taxes and charges.From $972, select.

Boston.$1,131 per passenger.Departing Sun, 12 Jul, returning Mon, 13 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Sun, 12 Jul, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Mon, 13 Jul, arriving in Kalispell.Price includes taxes and charges.From $1,131, select.

Boston.$1,408 per passenger.Departing Thu, 6 Aug, returning Mon, 10 Aug.Return flight with Delta.Outbound indirect flight with Delta, departs from Kalispell on Thu, 6 Aug, arriving in Boston Logan International.Inbound indirect flight with Delta, departs from Boston Logan International on Mon, 10 Aug, arriving in Kalispell.Price includes taxes and charges.From $1,408, select.

Boston.$2,251 per passenger.Departing Thu, 31 Dec, returning Thu, 14 Jan.Return flight with United.Outbound indirect flight with United, departs from Kalispell on Thu, 31 Dec, arriving in Boston Logan International.Inbound indirect flight with United, departs from Boston Logan International on Thu, 14 Jan, arriving in Kalispell.Price includes taxes and charges.From $2,251, select.

Find the cheapest month to fly from Kalispell to Boston Logan International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Kalispell to Boston Logan International flights are currently cheapest in September.

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Kalispell to Boston Logan International: Alternative routes

Compare routes from Kalispell to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Boston Logan International.

Kalispell to Boston: Flight information

The things to know before you go.

Cheapest flight found	$676
Cheapest month to fly	September

Finding cheap flights from Kalispell to Boston Logan International: Frequently asked questions

How much are return flights from Kalispell to Boston Logan International?

The best price we found for a return flight from Kalispell to Boston Logan International is $676. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Kalispell to Boston Logan International?

Currently, there are no airlines that fly direct from Kalispell to Boston Logan International. But we found flights with one or more stops from $676.

How many flights are there a week from Kalispell to Boston Logan International?

As of July 2026, there are no flights flying from Kalispell to Boston Logan International.

When is the cheapest time to fly from Kalispell to Boston Logan International?

The cheapest month to fly from Kalispell to Boston Logan International is usually September.

Which upcoming date is cheapest to fly from Kalispell Airport to Boston Logan International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Kalispell Airport to Boston Logan International Airport on Thursday, 10 September 2026.

Can I get a direct flight from Kalispell Airport to Boston Logan International Airport?

No airlines currently offer direct flights between Kalispell Airport and Boston Logan International Airport. Most routes have one or more stops.

How can I find the best flight deal to Boston Logan International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston Logan International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Boston?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Kalispell Airport to Boston Logan International with?

Currently, Delta offers the cheapest flight tickets to Boston Logan International.

Travelling from Kalispell Airport (FCA) to Boston Logan International Airport (BOS): what you need to know

Boston's timezone is UTC-5, which makes Boston two hours ahead of Kalispell.
Give yourself enough time to make your FCA to BOS flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.
During popular months like August, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead of an international flight when you travel during a high season in general.
If you'd like to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Kalispell Airport to Boston Logan International Airport. These are the most popular stopovers between FCA and BOS:
- Chicago O'Hare International Airport
- Denver International Airport
- Minneapolis St Paul Airport

How to find the cheapest flights from Kalispell Airport (FCA) to Boston Logan International Airport (BOS)

The lowest price we've found for a one-way Kalispell Airport to Boston Logan International Airport flight is $337. A return plane ticket right now is $676. Depending on the availability when you book, these fares may change.
Don't wait until the last minute. You're more likely to get cheap tickets from FCA to BOS if you book ahead. Airlines often offer some excellent early bird rates.
If you're flexible with your travel plans, use the 'Whole month' tool. It'll give you the cheapest price in each month when looking for a flight from Kalispell Airport to Boston Logan International Airport.
Landing cheap flights from FCA to BOS is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as a lower fare pops up.
Secure the right flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Kalispell Airport to Boston Logan International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Kalispell Airport (FCA)

FCA is located at 4170 Highway 2 East.
83% of flights leaving Kalispell Airport arrive at their destination according to schedule. Given its strong on-time stats, you're unlikely to experience delays when setting off from FCA.
Central Kalispell to Kalispell Airport is approximately 11 kilometres. Depending on traffic, it'll take about 15 minutes to get there if you're driving, catching a taxi or ride-sharing.
You can expect a journey time of around 30 minutes when using public transport.
Have an early flight from Kalispell Airport to Boston Logan International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near FCA:

Arriving at Boston Logan International Airport (BOS)

The last thing you want is a lengthy trip to your hotel if you're arriving on a late Kalispell Airport to Boston Logan International Airport flight. Check in to one of these accommodation options near BOS instead:
Travel at your own speed with a Boston Logan International Airport rental car. Pick up a set of wheels from Dollar, Budget or Thrifty and experience more of Boston and beyond.
Lock in the best deal by reserving your vehicle from Boston Logan International Airport around one week before your departure date.

Getting from Boston Logan International Airport (BOS) to central Boston

You'll find BOS at One Harborside Drive.
Boston Logan International Airport to the centre of Boston has a drive time of around 20 minutes. It's approximately 8 kilometres away.
If you're taking public transport, expect a journey time of roughly 25 minutes.

When to fly to Boston Logan International Airport (BOS)

The quietest month for a flight from Kalispell Airport to Boston Logan International Airport is March, while July is the most popular. Choose the best time to go to Boston based on whether you prefer a more fast-paced or easygoing experience.
Book your flight from Kalispell Airport to Boston Logan International Airport for July if you want to explore Boston during its warmest month. You can expect temperatures of between 16ºC and 29ºC.
Look for cheap tickets from FCA to BOS in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between -8ºC and 6ºC on average.

Explore more of the United States

Boston is always a good idea, but there are so many other parts of the United States just waiting to be explored. About 306 kilometres south-west of Boston, a visit to New York will keep your itinerary busy. Start with popular sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.
If there's time to check out another great destination in the United States, consider Philadelphia, roughly 434 kilometres south-west of Boston. Independence Hall, Liberty Bell and Philadelphia Museum of Art are highlights.