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Cheap flights from Boston to Missoula from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Missoula departing on 2/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boston to Missoula

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:15 pm - 9:51 pm
BOS
-
MSO
8h 36m1 stop
United Airlines Logo
6:00 am - 3:37 pm
MSO
-
BOS
7h 37m1 stop
$360United Airlines
Thu, Jan 22 - Sat, Jan 24
Alaska Airlines Logo
5:20 pm - 1:23 pm
BOS
-
MSO
22h 03m1 stop
Alaska Airlines Logo
2:03 pm - 11:54 pm
MSO
-
BOS
7h 51m1 stop
$361Alaska Airlines
Thu, Jan 29 - Mon, Feb 2
United Airlines Logo
10:30 am - 9:51 pm
BOS
-
MSO
13h 21m2 stops
United Airlines Logo
6:00 am - 3:37 pm
MSO
-
BOS
7h 37m1 stop
$365United Airlines
Thu, Jan 22 - Sat, Jan 24
Delta Logo
1:50 pm - 12:28 am
BOS
-
MSO
12h 38m2 stops
Delta Logo
6:18 pm - 6:05 am
MSO
-
BOS
9h 47m1 stop
$366Delta
Thu, Jan 29 - Mon, Feb 2
American Airlines Logo
9:45 am - 8:45 pm
BOS
-
MSO
13h 00m2 stops
American Airlines Logo
7:00 am - 10:31 pm
MSO
-
BOS
13h 31m2 stops
$370American Airlines
Thu, Jan 22 - Sat, Jan 24
Delta Logo
1:50 pm - 12:28 am
BOS
-
MSO
12h 38m2 stops
Delta Logo
6:18 pm - 10:02 am
MSO
-
BOS
13h 44m2 stops
$371Delta
Thu, Jan 29 - Mon, Feb 2
American Airlines Logo
10:00 am - 8:45 pm
BOS
-
MSO
12h 45m2 stops
American Airlines Logo
7:00 am - 10:19 pm
MSO
-
BOS
13h 19m2 stops
$375American Airlines
Wed, Feb 4 - Sat, Feb 7
Alaska Airlines Logo
5:20 pm - 3:31 pm
BOS
-
MSO
24h 11m2 stops
Alaska Airlines Logo
6:23 am - 4:20 pm
MSO
-
BOS
7h 57m1 stop
$376Alaska Airlines
Mon, Jan 26 - Wed, Jan 28
Alaska Airlines Logo
7:00 am - 3:31 pm
BOS
-
MSO
10h 31m1 stop
Alaska Airlines Logo
6:23 am - 4:20 pm
MSO
-
BOS
7h 57m1 stop
$378Alaska Airlines
Mon, Jan 26 - Wed, Jan 28
United Airlines Logo
3:15 pm - 9:51 pm
BOS
-
MSO
8h 36m1 stop
United Airlines Logo
6:00 am - 3:37 pm
MSO
-
BOS
7h 37m1 stop
$391United Airlines
Thu, Jan 8 - Mon, Jan 12

United Airlines flights from Boston to Missoula

Our best United Airlines deals on Boston to Missoula flight tickets
United Airlines
Jan 22
BOS3:15 pmBoston Logan Intl
8h 36m
1 stop
MSO9:51 pmMissoula Johnson-Bell Field
Jan 24
MSO6:00 amMissoula Johnson-Bell Field
7h 37m
1 stop
BOS3:37 pmBoston Logan Intl
$360
Find similar
United Airlines
Jan 22
BOS10:30 amBoston Logan Intl
13h 21m
2 stops
MSO9:51 pmMissoula Johnson-Bell Field
Jan 24
MSO6:00 amMissoula Johnson-Bell Field
7h 37m
1 stop
BOS3:37 pmBoston Logan Intl
$365
Find similar
United Airlines
Jan 8
BOS3:15 pmBoston Logan Intl
8h 36m
1 stop
MSO9:51 pmMissoula Johnson-Bell Field
Jan 12
MSO6:00 amMissoula Johnson-Bell Field
7h 37m
1 stop
BOS3:37 pmBoston Logan Intl
$391
Find similar

Alaska Airlines flights from Boston to Missoula

Our best Alaska Airlines deals on Boston to Missoula flight tickets
Alaska Airlines
Jan 29
BOS5:20 pmBoston Logan Intl
22h 03m
1 stop
MSO1:23 pmMissoula Johnson-Bell Field
Feb 2
MSO2:03 pmMissoula Johnson-Bell Field
7h 51m
1 stop
BOS11:54 pmBoston Logan Intl
$361
Find similar
Alaska Airlines
Jan 26
BOS5:20 pmBoston Logan Intl
24h 11m
2 stops
MSO3:31 pmMissoula Johnson-Bell Field
Jan 28
MSO6:23 amMissoula Johnson-Bell Field
7h 57m
1 stop
BOS4:20 pmBoston Logan Intl
$376
Find similar
Alaska Airlines
Jan 26
BOS7:00 amBoston Logan Intl
10h 31m
1 stop
MSO3:31 pmMissoula Johnson-Bell Field
Jan 28
MSO6:23 amMissoula Johnson-Bell Field
7h 57m
1 stop
BOS4:20 pmBoston Logan Intl
$378
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated December 21, 2025.
Use the filters below to find and compare flights from Boston to Missoula that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/22

3:15 pm-9:51 pm

1 stop8h 36m

Missoula Johnson-Bell Field

Sat 1/24

6:00 am-3:37 pm

1 stop7h 37m

$360

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/29

5:20 pm-1:23 pm

1 stop22h 03m

Missoula Johnson-Bell Field

Mon 2/2

2:03 pm-11:54 pm

1 stop7h 51m

$361

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/22

10:30 am-9:51 pm

2 stops13h 21m

Missoula Johnson-Bell Field

Sat 1/24

6:00 am-3:37 pm

1 stop7h 37m

$365

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/29

1:50 pm-12:28 am

2 stops12h 38m

Missoula Johnson-Bell Field

Mon 2/2

6:18 pm-6:05 am

1 stop9h 47m

$366

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/22

9:45 am-8:45 pm

2 stops13h 00m

Missoula Johnson-Bell Field

Sat 1/24

7:00 am-10:31 pm

2 stops13h 31m

$370

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/29

1:50 pm-12:28 am

2 stops12h 38m

Missoula Johnson-Bell Field

Mon 2/2

6:18 pm-10:02 am

2 stops13h 44m

$371

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 2/4

10:00 am-8:45 pm

2 stops12h 45m

Missoula Johnson-Bell Field

Sat 2/7

7:00 am-10:19 pm

2 stops13h 19m

$375

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Mon 1/26

5:20 pm-3:31 pm

2 stops24h 11m

Missoula Johnson-Bell Field

Wed 1/28

6:23 am-4:20 pm

1 stop7h 57m

$376

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Mon 1/26

7:00 am-3:31 pm

1 stop10h 31m

Missoula Johnson-Bell Field

Wed 1/28

6:23 am-4:20 pm

1 stop7h 57m

$378

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 1/8

3:15 pm-9:51 pm

1 stop8h 36m

Missoula Johnson-Bell Field

Mon 1/12

6:00 am-3:37 pm

1 stop7h 37m

$391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Missoula from

How to get the cheapest flight ticket from Boston to Missoula

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Missoula?

The month of January is, on average, the cheapest month to fly to Missoula from Boston, with most prices found around $464. If you are unable to visit Missoula during the month of January, then departing from Boston during the month December is also very affordable. Most momondo users find prices during this month for around $468.

What is the cheapest day to depart on your flight to Missoula?

On average, the least expensive day to fly to Missoula from Boston is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $597. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $683.

What is the cheapest time of day to depart on your flight to Missoula?

The cheapest time of day to fly to Missoula is in the evening when flights can be purchased for as low as $416. Flights in the morning are often more expensive with an average ticket price of $665.

How far in advance should I book a flight to Missoula?

You are more likely to see cheaper flights to Missoula from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Missoula for around $527 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Missoula from Boston for as low as $410 on momondo.

How have Boston to Missoula flight prices changed over time?

As of December 2025, prices for Boston to Missoula flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Missoula

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Missoula according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Missoula (BOS to MSO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Missoula

Fastest flight time

7h 25m

Direct flights

None
The fastest flight from Boston to Missoula takes 7h 25m
There are no direct flights from Boston to Missoula. There are no popular flight routes from Boston to Missoula.
Search flight deals

  • How far is Boston Logan Intl to Missoula Johnson-Bell Field by plane?

    There are 2106.2 mi between Boston Logan Intl and Missoula Johnson-Bell Field. A reasonable flight in good conditions will take 7h 25m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Missoula Johnson-Bell Field Airport?

    Prices for flights from Boston Logan Intl Airport to Missoula Johnson-Bell Field Airport were last updated today.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Missoula Johnson-Bell Field Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Missoula Johnson-Bell Field Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Missoula Johnson-Bell Field Airport.

  • What documentation or ID do you need to fly to Missoula Johnson-Bell Field Airport?

    The travel and health documents you'll need for your trip to Missoula Johnson-Bell Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Missoula Johnson-Bell Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Missoula?

Best airlines flying from Boston to Missoula

Compare and see reviews for airlines that fly from Boston to Missoula with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $340Free CancellationRating
7.9
8,021 reviews
Search Delta flights
Alaska AirlinesPriceFrom $349Free CancellationRating
8.0
11,492 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $363Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $405Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Missoula?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Missoula from Boston.

Can I find flights from Boston to Missoula with flexible booking policies on momondo?

momondo does allow users to show only those flights to Missoula from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Missoula?

momondo provides multiple filters to help you find the best flight to Missoula from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Missoula right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Missoula from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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