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$145+ Cheap flights from Boston to Missoula (BOS - MSO)

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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MSO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Missoula Johnson-Bell Field are usually found in February or January, booked 69 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Boston to Missoula

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Missoula (MSO). 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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$291
(American Airlines)

One-way from

$145
(Hawaiian Airlines)

Popular in

March

Cheapest in

February

Average price

$612
Provider with most accurate pricing for Boston Logan Intl-Missoula Johnson-Bell Field flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Missoula Johnson-Bell Field flights.
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From Boston Logan Intl to Missoula Johnson-Bell Field
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One-way flight from Boston Logan Intl to Missoula Johnson-Bell Field
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Boston to Missoula

Cheapest flights from Boston to Missoula
Explore the most affordable flight options available from Boston to Missoula. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This American Airlines deal was found by Cheapflights users on 4/30. 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.
Sun 6/155:00 amBOS - MSO
1 stop10h 04mAmerican Airlines
Wed 6/1812:54 pmMSO - BOS
1 stop7h 44mAmerican Airlines
Deal found 4/30$291
This Delta deal was found by Cheapflights users on 4/30. 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 6/155:10 amBOS - MSO
2 stops11h 22mDelta
Wed 6/185:30 amMSO - BOS
2 stops11h 40mDelta
Deal found 4/30$307
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 5/306:00 amBOS - MSO
1 stop20h 06mAlaska Airlines
Mon 6/26:39 pmMSO - BOS
1 stop10h 41mAlaska Airlines
Deal found 4/30$326
This deal was found by Cheapflights users on 4/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/217:30 amBOS - MSO
1 stop8h 03mUnited Airlines
Wed 5/282:23 pmMSO - BOS
1 stop7h 30mUnited Airlines
Deal found 4/29$441

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Missoula 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 1, 2025.
Use the filters below to find and compare flights from Boston to Missoula that are best for you.

Fly from

Boston

Fly to

Missoula

Route

Depart

Return

Price

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Sun 6/15

5:00 am-1:04 pm

1 stop10h 04m

Missoula Johnson-Bell Field

Wed 6/18

12:54 pm-10:38 pm

1 stop7h 44m

$291

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Sun 6/15

5:10 am-2:32 pm

2 stops11h 22m

Missoula Johnson-Bell Field

Wed 6/18

5:30 am-7:10 pm

2 stops11h 40m

$307

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Fri 5/30

6:00 am-12:06 am

1 stop20h 06m

Missoula Johnson-Bell Field

Mon 6/2

6:39 pm-7:20 am

1 stop10h 41m

$326

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 5/21

7:30 am-1:33 pm

1 stop8h 03m

Missoula Johnson-Bell Field

Wed 5/28

2:23 pm-11:53 pm

1 stop7h 30m

$441

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 6/4

7:30 am-2:21 pm

1 stop8h 51m

$145

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 6/4

3:00 pm-12:21 am

2 stops11h 21m

$154

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 6/4

6:00 am-9:21 pm

3 stops17h 21m

$206

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Sat 8/30

6:00 am-1:34 pm

1 stop9h 34m

$210

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 8/7

5:40 pm-11:28 pm

1 stop7h 48m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Compare providers for flights from Boston to Missoula

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 Boston to Missoula in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*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 Boston-Missoula flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Missoula flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Missoula flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Missoula flights, Cheapflights users trust eDreams the most. eDreams 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 Boston-Missoula 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 Boston to Missoula

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

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Missoula. Price data was last updated on April 25, 2025.

The price you pay for your flight from Boston to Missoula may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Boston to Missoula (average of $365). Flying from Boston to Missoula in March is currently the most expensive (average of $506). 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 BOS to MSO?

Find hourly flight availability from Boston to Missoula. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Boston to Missoula by exploring options for tickets in the evening.

Rainfall in Missoula by month

Plan your trip to Missoula by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Missoula ranges from 0.7 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Missoula when rainfall is around 0.7 in.

Temperature in Missoula by month

Plan your trip to Missoula by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Missoula, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.8 F).

Reviews of airlines servicing Missoula

Get insights into the airlines that provide service to Missoula. 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 Missoula. Reviews last updated May 1, 2025.
Alaska Airlines
8.0
Very good
9,968 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,408 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

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

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

    According to our current data, American Airlines ($291), Delta ($307), and Alaska Airlines ($326) offers the cheapest pricing from Boston to Missoula. These flights start at 51% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Boston to Missoula are Hawaiian Airlines ($145), Delta ($154), and United Airlines ($206).

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Boston to Missoula (average of $365). Flying from Boston to Missoula in March is currently the most expensive (average of $506). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Boston to Missoula

Discover the top 4 airlines that operate flights from Boston to Missoula. 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 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$360Average$606FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$364Average$524FlexibilityNo cancel feeOn-time71%
DeltaCheapest$368Average$577FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$410Average$687FlexibilityNo cancel feeOn-time69%

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