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$164+ Cheap flights from Montana to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOS
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap flight deals from Montana to Boston

Cheapest flights from Montana to Boston
Explore the most affordable flight options available from Montana to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.

This Southwest deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:25 pm
BZN
-
BOS
1 stop6h 40m
Southwest
Thu 8/205:00 pm
BOS
-
BZN
1 stop7h 25m
Southwest
Deal found 5/7$332
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/184:05 pm
BZN
-
BOS
1 stop7h 00m
United Airlines
Tue 8/259:45 am
BOS
-
BZN
1 stop7h 28m
United Airlines
Deal found 5/4$334
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/113:55 pm
BZN
-
BOS
1 stop6h 03m
Delta
Wed 8/197:12 am
BOS
-
BZN
1 stop9h 25m
Delta
Deal found 5/6$337
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/911:38 am
BZN
-
BOS
1 stop10h 52m
American Airlines
Tue 7/1412:38 pm
BOS
-
BZN
1 stop10h 02m
American Airlines
Deal found 5/6$347
This Expedia deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:50 pm
BZN
-
BOS
1 stop13h 50m
Multiple Airlines
Tue 8/258:43 am
BOS
-
BZN
Nonstop4h 59m
Multiple Airlines
Deal found 5/4$353
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:34 pm
BIL
-
BOS
1 stop9h 56m
Delta
Tue 8/117:12 am
BOS
-
BIL
2 stops12h 41m
Delta
Deal found 5/6$354
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:25 pm
BZN
-
BOS
1 stop6h 49m
United Airlines
Tue 6/23:08 pm
BOS
-
BZN
1 stop9h 35m
United Airlines
Deal found 5/5$357
This Alaska Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:33 am
FCA
-
BOS
1 stop10h 26m
Alaska Airlines
Fri 6/57:11 pm
BOS
-
FCA
1 stop17h 40m
Alaska Airlines
Deal found 5/6$357
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:20 pm
GTF
-
BOS
1 stop9h 51m
Delta
Sat 12/56:00 am
BOS
-
GTF
1 stop8h 27m
Delta
Deal found 5/6$358
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:35 pm
BZN
-
BOS
1 stop9h 45m
Delta
Sun 6/1410:00 am
BOS
-
BZN
Nonstop5h 02m
Delta
Deal found 5/4$362
This American Airlines deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/212:25 pm
FCA
-
BOS
2 stops10h 15m
American Airlines
Fri 6/58:57 am
BOS
-
FCA
1 stop9h 05m
American Airlines
Deal found 5/6$362
This Delta deal was found by Cheapflights users on 5/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/96:34 pm
BIL
-
BOS
1 stop9h 56m
Delta
Tue 8/1810:55 am
BOS
-
BIL
2 stops13h 40m
Delta
Deal found 5/7$364

Find flight deals from Montana to Boston

Keep the following information in mind while searching for Montana to Boston flight deals. Data was last updated May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332
(Southwest)

One-way from

$164
(Southwest)

Popular in

November

Cheapest in

February

Average price

$502

Good round-trip deal

$228 or less

Good one-way deal

$248 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Boston Logan Intl flights.
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From Montana to Boston Logan Intl
Search Deals
One-way flight from Montana to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in May 2026
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Price to beat on a round-trip flight from Montana to Boston Logan Intl.
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Price to beat on a one-way flight from Montana to Boston Logan Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Boston that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Montana to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Tue 6/2

4:14 pm-6:24 am

1 stop12h 10m

Boston Logan Intl

Fri 6/5

7:11 pm-10:51 am

1 stop17h 40m

$357

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Sat 10/3

6:12 pm-6:09 am

1 stop9h 57m

Boston Logan Intl

Thu 10/15

5:40 am-12:29 pm

1 stop8h 49m

$357

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Sat 10/3

6:20 pm-6:09 am

1 stop9h 49m

Boston Logan Intl

Sat 10/10

6:00 am-12:27 pm

1 stop8h 27m

$358

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Fri 10/2

6:20 pm-6:09 am

1 stop9h 49m

Boston Logan Intl

Sat 10/10

6:00 am-12:27 pm

1 stop8h 27m

$358

BozemanBoston

BZN - BOS

BZNBOS

Bozeman Gallatin Field

Wed 6/10

7:30 pm-6:05 am

1 stop8h 35m

Boston Logan Intl

Tue 6/16

5:50 pm-11:58 pm

1 stop8h 08m

$372

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Sat 5/30

6:19 pm-6:20 am

1 stop10h 01m

Boston Logan Intl

Mon 6/8

6:05 am-12:40 pm

1 stop8h 35m

$383

BozemanBoston

BZN - BOS

BZNBOS

Bozeman Gallatin Field

Mon 8/17

7:39 pm-6:30 am

1 stop8h 51m

Boston Logan Intl

Tue 8/25

6:45 pm-12:04 am

1 stop7h 19m

$387

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Sat 5/23

11:33 am-11:59 pm

1 stop10h 26m

Boston Logan Intl

Wed 5/27

7:20 am-3:34 pm

1 stop10h 14m

$390

BozemanBoston

BZN - BOS

BZNBOS

Bozeman Gallatin Field

Tue 8/18

11:20 am-10:10 pm

2 stops8h 50m

Boston Logan Intl

Tue 8/25

5:25 am-12:15 pm

2 stops8h 50m

$392

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sat 5/30

3:34 pm-6:20 am

1 stop12h 46m

Boston Logan Intl

Sat 6/6

7:20 am-6:41 pm

1 stop13h 21m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Montana to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Montana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montana to Boston

How far ahead should I book a flight from Montana to Boston?

To ensure you get the cheapest price possible for a flight from Montana to Boston, you should look to book at least 33 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Montana to Boston?

Currently, March is the cheapest month in which you can book a flight from Montana to Boston (average of $139). Flying from Montana to Boston in January is currently the most expensive (average of $296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from MT to BOS?

Find hourly flight availability from Montana to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 7, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montana to Boston as you normally would.

How much does it cost to fly round-trip from Montana to Boston?

Related info for your journey

Find useful and relevant information for your journey from Montana to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Montana?

    Boston Logan Intl (BOS) is the airport you will fly into if you book a flight from Montana to Boston. It is only a 2.6 mi journey from Logan Intl (BOS) to Boston’s city center.

  • How popular is this Montana to Boston flight route?

    Flights from Montana to Boston Logan Intl have been viewed 2 times in the past calendar month.

  • How long is the flight from Montana to Boston?

    Alaska Airlines, Delta, and Southwest can get you from Montana to Boston in just under 8h 50m. Your travel time can differ by up to 3h 20m. Airlines will cover a distance of 1984 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Montana to Boston one-way?

    One-way options have recently been found by users for as low as $140 on JetBlue. Other airlines that offer cheap prices include Southwest from $142 and United Airlines from $142 one-way.

  • What are the most popular routes from Montana to Boston?

    When deciding which route to take from Montana to Boston consider Bozeman Gallatin Field - Boston Logan Intl, Kalispell Glacier Park - Boston Logan Intl or Missoula Johnson-Bell Field - Boston Logan Intl as they are the most popular.

  • What are the most reliable airlines from Montana to Boston?

    No one likes to see their flight delayed. When booking a flight from Montana to Boston consider choosing Turkish Airlines (87%), JetBlue (82%) or British Airways (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Montana to Boston?

    While on average a flight from Montana to Boston is generally $422, our data shows the cheapest flight currently is $163. When looking at the most popular route, (Bozeman Gallatin Field - Boston Logan Intl), you can expect to pay $327 for that flight.

  • Can I find deals for flights from Montana to Boston that include hotel bookings?

    Yes. In addition to deals on Montana to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montana to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Boston.

  • Can I find deals for business class flights from Montana to Boston?

    Yes. Cheapflights offers flight deals from Montana to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montana to Boston?

    Currently, March is the cheapest month in which you can book a flight from Montana to Boston (average of $139). Flying from Montana to Boston in January is currently the most expensive (average of $296). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Warwick
Peabody
Seabrook
York Beach
Londonderry
Swansea
Old Orchard Beach
Quincy
Waltham
Lowell
Braintree

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Top 6 airlines flying from Montana to Boston

Discover the top 6 airlines that operate flights from Montana to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$204Average$350FlexibilityNo cancel feeOn-time62%
DeltaCheapest$218Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$590FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$231Average$386FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$234Average$460FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$360Average$600FlexibilityNo cancel feeOn-time75%

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