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$136+ 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 7/1. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — MSO
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 January or February, booked 34 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 junio 12, 2025.

Round-trip from

$308
(Alaska Airlines)

One-way from

$136
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$559
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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Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/187:20 amBOS - MSO
1 stop9h 58mAlaska Airlines
mar. 9/236:40 pmMSO - BOS
1 stop11h 20mAlaska Airlines
Deal found 6/10$308
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/187:00 amBOS - MSO
1 stop7h 20mAmerican Airlines
mar. 9/236:40 amMSO - BOS
2 stops10h 00mAmerican Airlines
Deal found 6/10$314
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/319:32 amBOS - MSO
2 stops31h 58mMultiple Airlines
lun. 8/49:54 pmMSO - BOS
2 stops32h 43mMultiple Airlines
Deal found 6/11$331
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/2911:34 amBOS - MSO
1 stop24h 04mSun Country Air
sáb. 8/210:40 amMSO - BOS
1 stop21h 57mSun Country Air
Deal found 6/10$383
This Delta deal was found by Cheapflights users on 6/10. 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.
jue. 7/107:15 amBOS - MSO
1 stop9h 21mDelta
mar. 7/156:24 pmMSO - BOS
1 stop9h 51mDelta
Deal found 6/10$396
This United Airlines deal was found by Cheapflights users on 6/11. 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.
lun. 7/286:07 amBOS - MSO
1 stop7h 31mUnited Airlines
vie. 8/112:40 pmMSO - BOS
2 stops9h 19mUnited Airlines
Deal found 6/11$412

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 junio 12, 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

jue. 9/18

7:20 am-3:18 pm

1 stop9h 58m

Missoula Johnson-Bell Field

mar. 9/23

6:40 pm-8:00 am

1 stop11h 20m

$308

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

jue. 9/18

7:00 am-12:20 pm

1 stop7h 20m

Missoula Johnson-Bell Field

mar. 9/23

6:40 am-6:40 pm

2 stops10h 00m

$314

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

jue. 7/31

9:32 am-3:30 pm

2 stops31h 58m

Missoula Johnson-Bell Field

lun. 8/4

9:54 pm-8:37 am

2 stops32h 43m

$331

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

mar. 7/29

11:34 am-9:38 am

1 stop24h 04m

Missoula Johnson-Bell Field

sáb. 8/2

10:40 am-10:37 am

1 stop21h 57m

$383

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

jue. 7/10

7:15 am-2:36 pm

1 stop9h 21m

Missoula Johnson-Bell Field

mar. 7/15

6:24 pm-6:15 am

1 stop9h 51m

$396

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

lun. 7/28

6:07 am-11:38 am

1 stop7h 31m

Missoula Johnson-Bell Field

vie. 8/1

12:40 pm-11:59 pm

2 stops9h 19m

$412

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

mar. 7/1

4:44 pm-9:41 pm

2 stops30h 57m

$136

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

jue. 9/11

4:00 pm-12:27 am

1 stop10h 27m

$154

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

jue. 7/24

2:55 pm-11:29 pm

1 stop10h 34m

$171

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

mié. 7/23

2:35 pm-12:24 am

2 stops11h 49m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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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 June 9, 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 33 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 junio 12, 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 junio 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and Hawaiian Airlines from Boston to Missoula to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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
10,000 reviews

Entertainment

7.1

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

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, Alaska Airlines ($308), American Airlines ($314), and Sun Country Air ($383) offers the cheapest pricing from Boston to Missoula. These flights start at 46% 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 ($170), American Airlines ($171), and Delta ($176).

  • 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$360Average$573FlexibilityNo cancel feeOn-time75%
DeltaCheapest$364Average$566FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$374Average$508FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$405Average$697FlexibilityNo cancel feeOn-time69%

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