HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boston

$146+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — BOS
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Montana to Boston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 20, 2026.

This Delta deal was found by Cheapflights users on 6/18. 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.
Mon 8/246:19 am
BZN
-
BOS
1 stop5h 43m
Delta
Sun 8/3010:35 am
BOS
-
BZN
Nonstop5h 02m
Delta
Deal found 6/18$317
This Delta deal was found by Cheapflights users on 6/18. 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.
Mon 8/246:19 am
BZN
-
BOS
1 stop5h 43m
Delta
Wed 9/28:15 am
BOS
-
BZN
1 stop8h 35m
Delta
Deal found 6/18$327
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 8/264:30 pm
BZN
-
BOS
1 stop6h 41m
United Airlines
Tue 9/17:30 am
BOS
-
BZN
2 stops10h 00m
United Airlines
Deal found 6/18$332
This American Airlines deal was found by Cheapflights users on 6/19. 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 8/1311:55 am
BZN
-
BOS
1 stop9h 09m
American Airlines
Tue 8/186:14 am
BOS
-
BZN
1 stop7h 51m
American Airlines
Deal found 6/19$337
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 8/264:30 pm
BZN
-
BOS
1 stop6h 41m
United Airlines
Sun 8/307:30 am
BOS
-
BZN
2 stops9h 53m
United Airlines
Deal found 6/18$345
This Delta deal was found by Cheapflights users on 6/19. 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.
Sat 7/1112:15 pm
BZN
-
BOS
Nonstop4h 38m
Delta
Sun 7/1910:25 am
BOS
-
BZN
Nonstop5h 02m
Delta
Deal found 6/19$352
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Fri 10/302:37 pm
BZN
-
BOS
1 stop7h 05m
United Airlines
Tue 11/37:30 am
BOS
-
BZN
1 stop7h 58m
United Airlines
Deal found 6/17$354
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:37 pm
BZN
-
BOS
Nonstop4h 29m
JetBlue
Mon 9/78:43 am
BOS
-
BZN
Nonstop4h 59m
JetBlue
Deal found 6/17$356
This Delta deal was found by Cheapflights users on 6/15. 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.
Thu 7/911:50 am
BIL
-
BOS
1 stop9h 57m
Delta
Fri 7/175:55 pm
BOS
-
BIL
1 stop7h 35m
Delta
Deal found 6/15$356
This United Airlines deal was found by Cheapflights users on 6/17. 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 9/244:24 pm
BZN
-
BOS
1 stop6h 35m
United Airlines
Sat 10/312:45 pm
BOS
-
BZN
1 stop8h 27m
United Airlines
Deal found 6/17$357
This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 10/221:29 pm
FCA
-
BOS
1 stop6h 55m
Delta
Mon 10/265:40 am
BOS
-
FCA
1 stop8h 49m
Delta
Deal found 6/16$357
This Delta deal was found by Cheapflights users on 6/18. 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.
Mon 8/246:19 am
BZN
-
BOS
1 stop5h 43m
Delta
Sat 8/2910:33 am
BOS
-
BZN
Nonstop5h 02m
Delta
Deal found 6/18$362

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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$317
(Delta)

One-way from

$146
(Cheapflightsfares)

Popular in

November

Cheapest in

February

Average price

$497

Good round-trip deal

$253 or less

Good one-way deal

$243 or less
Provider with most accurate pricing for Bozeman Gallatin Field-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bozeman Gallatin Field-Boston Logan Intl flights.
Search Deals
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. 8% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Montana to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Montana to Boston Logan Intl.
Search Deals

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 June 20, 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

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Thu 7/9

11:50 am-11:47 pm

1 stop9h 57m

Boston Logan Intl

Fri 7/17

5:55 pm-11:30 pm

1 stop7h 35m

$356

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Thu 10/22

1:29 pm-10:24 pm

1 stop6h 55m

Boston Logan Intl

Mon 10/26

5:40 am-12:29 pm

1 stop8h 49m

$357

BillingsBoston

BIL - BOS

BILBOS

Billings Logan Intl

Sun 9/13

6:25 pm-6:09 am

1 stop9h 44m

Boston Logan Intl

Sat 9/19

6:05 am-12:17 pm

1 stop8h 12m

$363

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Tue 12/1

6:20 pm-6:11 am

1 stop9h 51m

Boston Logan Intl

Sat 12/5

6:00 am-12:27 pm

1 stop8h 27m

$368

Great FallsBoston

GTF - BOS

GTFBOS

Great Falls

Fri 10/2

6:21 pm-6:30 am

1 stop10h 09m

Boston Logan Intl

Wed 10/7

6:00 am-12:27 pm

1 stop8h 27m

$368

BozemanBoston

BZN - BOS

BZNBOS

Bozeman Gallatin Field

Tue 8/25

6:00 am-11:42 pm

2 stops15h 42m

Boston Logan Intl

Tue 9/1

8:15 am-2:50 pm

1 stop8h 35m

$386

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Sat 10/17

6:10 pm-6:11 am

1 stop10h 01m

Boston Logan Intl

Fri 10/30

5:40 am-12:29 pm

1 stop8h 49m

$389

BozemanBoston

BZN - BOS

BZNBOS

Bozeman Gallatin Field

Wed 8/19

2:00 pm-12:05 am

1 stop8h 05m

Boston Logan Intl

Thu 8/27

5:00 pm-10:25 pm

1 stop7h 25m

$391

HelenaBoston

HLN - BOS

HLNBOS

Helena

Mon 10/19

12:50 pm-11:49 pm

1 stop8h 59m

Boston Logan Intl

Sat 10/24

6:00 am-12:24 pm

1 stop8h 24m

$399
Quickest round-trip

KalispellBoston

FCA - BOS

FCABOS

Kalispell Glacier Park

Wed 9/2

3:14 pm-11:58 pm

1 stop6h 44m

Boston Logan Intl

Wed 9/16

6:05 am-11:55 am

1 stop7h 50m

$408

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/15

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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

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 June 20, 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.

Weekly flight availability from Montana to Boston

Explore weekly flight availability from Montana to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 20, 2026.

The most flights from USMT to BOS are scheduled on a Saturday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip 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 87 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.

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?

    Delta, Southwest, and Alaska Airlines can get you from Montana to Boston in just under 8h 05m. Your travel time can differ by up to 4h 22m. 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 American Airlines from $143 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, Missoula Johnson-Bell Field - Boston Logan Intl or Kalispell Glacier Park - 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 Air France (67%), Delta (67%) or JetBlue (60%) 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 $428, 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 $317 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
Waltham
Cambridge
Concord
Brockton
Watertown
Hampton Beach
Seekonk
Cranston
Warwick
Peabody
Auburn
York Beach
Chelsea
Londonderry
Dedham
Swansea
Old Orchard Beach
Lowell
Smithfield
Braintree

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$204Average$423FlexibilityNo cancel feeOn-time62%
DeltaCheapest$204Average$539FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$219Average$589FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$231Average$517FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$280Average$508FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$360Average$644FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights