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$139+ Cheap flights from Missoula to Boston (MSO - 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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — BOS
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap flight deals from Missoula to Boston

Cheapest flights from Missoula to Boston
Explore the most affordable flight options available from Missoula to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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 2/242:34 pm
MSO
-
BOS
1 stop7h 10m
United Airlines
Wed 3/47:00 am
BOS
-
MSO
1 stop8h 32m
United Airlines
Deal found 1/21$277
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 2/187:30 am
MSO
-
BOS
1 stop9h 45m
Delta
Wed 2/253:15 pm
BOS
-
MSO
1 stop6h 46m
Delta
Deal found 1/21$297
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 2/187:30 am
MSO
-
BOS
1 stop9h 45m
Delta
Tue 2/243:15 pm
BOS
-
MSO
2 stops10h 15m
Delta
Deal found 1/21$302
This Delta deal was found by Cheapflights users on 1/21. 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 2/246:10 pm
MSO
-
BOS
2 stops13h 52m
Delta
Wed 3/411:00 am
BOS
-
MSO
2 stops11h 01m
Delta
Deal found 1/21$308
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Sat 2/141:39 pm
MSO
-
BOS
1 stop8h 20m
Alaska Airlines
Wed 2/186:24 pm
BOS
-
MSO
1 stop19h 57m
Alaska Airlines
Deal found 1/21$317
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 3/24:20 pm
MSO
-
BOS
1 stop12h 34m
Alaska Airlines
Wed 3/119:02 am
BOS
-
MSO
1 stop16h 57m
Alaska Airlines
Deal found 1/20$319
This Delta deal was found by Cheapflights users on 1/21. 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 2/177:30 am
MSO
-
BOS
1 stop9h 45m
Delta
Wed 2/253:15 pm
BOS
-
MSO
1 stop6h 46m
Delta
Deal found 1/21$328
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 3/186:04 pm
MSO
-
BOS
1 stop10h 06m
Delta
Mon 3/236:44 pm
BOS
-
MSO
1 stop7h 40m
Delta
Deal found 1/21$329
This Delta deal was found by Cheapflights users on 1/21. 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 2/147:30 am
MSO
-
BOS
2 stops15h 39m
Delta
Wed 2/185:15 pm
BOS
-
MSO
1 stop8h 15m
Delta
Deal found 1/21$333
This Delta deal was found by Cheapflights users on 1/22. 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 3/27:30 am
MSO
-
BOS
2 stops10h 51m
Delta
Wed 3/1111:55 am
BOS
-
MSO
1 stop10h 07m
Delta
Deal found 1/22$334
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 2/187:30 am
MSO
-
BOS
1 stop9h 45m
Delta
Mon 2/238:59 pm
BOS
-
MSO
2 stops17h 27m
Delta
Deal found 1/21$335

Find flight deals from Missoula to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$277
(United Airlines)

One-way from

$139
(United Airlines)

Popular in

November

Cheapest in

April

Average price

$430
Provider with most accurate pricing for Missoula Johnson-Bell Field-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Missoula Johnson-Bell Field-Boston Logan Intl flights.
Search Deals
From Missoula Johnson-Bell Field to Boston Logan Intl
Search Deals
One-way flight from Missoula Johnson-Bell Field to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missoula 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 January 22, 2026.
Use the filters below to find and compare flights from Missoula to Boston that are best for you.

Fly from

Missoula

Fly to

Boston

Route

Depart

Return

Price

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Tue 2/24

2:34 pm-11:44 pm

1 stop7h 10m

Boston Logan Intl

Wed 3/4

6:00 am-4:09 pm

2 stops12h 09m

$282

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Wed 2/18

7:30 am-7:15 pm

1 stop9h 45m

Boston Logan Intl

Tue 2/24

5:15 pm-11:30 pm

1 stop8h 15m

$297

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Wed 2/18

7:30 am-7:15 pm

1 stop9h 45m

Boston Logan Intl

Wed 2/25

3:15 pm-8:01 pm

1 stop6h 46m

$297

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Tue 2/24

6:10 pm-10:02 am

2 stops13h 52m

Boston Logan Intl

Wed 3/4

11:00 am-8:01 pm

2 stops11h 01m

$308

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Mon 3/2

1:20 pm-11:59 pm

1 stop8h 39m

Boston Logan Intl

Wed 3/11

6:30 am-12:50 pm

1 stop8h 20m

$319

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Mon 3/2

4:20 pm-6:54 am

1 stop12h 34m

Boston Logan Intl

Wed 3/11

7:00 am-11:59 pm

1 stop18h 59m

$319

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Wed 3/18

6:04 pm-6:10 am

1 stop10h 06m

Boston Logan Intl

Mon 3/23

6:44 pm-12:24 am

1 stop7h 40m

$329

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Wed 2/18

7:30 am-7:15 pm

1 stop9h 45m

Boston Logan Intl

Mon 2/23

8:59 pm-12:26 pm

2 stops17h 27m

$335

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Tue 4/21

2:38 pm-11:59 pm

1 stop7h 21m

$139

MissoulaBoston

MSO - BOS

MSOBOS

Missoula Johnson-Bell Field

Mon 4/27

6:18 pm-6:00 am

1 stop9h 42m

$181

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 17 results
1
2

Compare providers for flights from Missoula to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Boston in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Missoula-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Missoula-Boston flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Missoula to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Missoula 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 Missoula to Boston

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

Currently, May is the cheapest month in which you can book a flight from Missoula to Boston (average of $251). Flying from Missoula to Boston in November is currently the most expensive (average of $440). 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.

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

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated January 22, 2026.
See what other customers who have flown with Alaska Airlines, Delta, and United Airlines from Missoula to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,768 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,085 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,189 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,172 reviews
Alaska Airlines
8.0
Very good
11,768 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

  • How long is the flight from Missoula to Boston?

    Airlines like United Airlines and Delta fly from Missoula to Boston in about 7h 10m. The time it takes to get you to your destination can typically vary by up to 2h 35m. There are 2113 mi between Missoula and Boston. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Missoula to Boston round-trip?

    United Airlines, at $282, was found to be the cheapest airline from Missoula to Boston.Alternate airlines to your destination round-trip include Delta and American Airlines. United Airlines is currently priced 46% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as $154 on American Airlines. Other airlines that offer cheap prices include Delta from $163 and United Airlines from $170 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Missoula 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 Missoula to Boston?

    Currently, May is the cheapest month in which you can book a flight from Missoula to Boston (average of $251). Flying from Missoula to Boston in November is currently the most expensive (average of $440). 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
Cambridge
Medford
Hampton Beach
Watertown
Seekonk
Brockton
Warwick
Seabrook
Cranston
Lincoln
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Missoula to Boston

Discover the top 4 airlines that operate flights from Missoula 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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$282Average$602FlexibilityNo cancel feeOn-time69%
DeltaCheapest$305Average$440FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$340Average$444FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$380Average$575FlexibilityNo cancel feeOn-time75%

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