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Cheap flights from Boston to Missoula from $173

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 9/23. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Missoula

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:05 am - 12:37 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
8h 32m1 stop Salt Lake City
Delta Logo
6:17 pm - 6:30 amMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
10h 13m1 stop Salt Lake City
$431Delta
Wed, Sep 23 - Wed, Sep 30
Delta Logo
6:00 am - 12:36 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
8h 36m1 stop Salt Lake City
Delta Logo
6:10 pm - 6:11 amMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
10h 01m1 stop Salt Lake City
$431Delta
Mon, Jan 18 - Mon, Jan 18
American Airlines Logo
6:00 am - 12:55 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
8h 55m1 stop Chicago O'Hare Intl
American Airlines Logo
12:45 pm - 11:54 pmMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
9h 09m1 stop Chicago O'Hare Intl
$431American Airlines
Wed, Sep 23 - Wed, Sep 30
Alaska Airlines Logo
10:03 am - 11:01 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
14h 58m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
3:49 pm - 7:26 amMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
13h 37m1 stop Seattle/Tacoma Intl
$431Alaska Airlines
Thu, Oct 1 - Tue, Oct 6
Alaska Airlines Logo
7:10 am - 3:34 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
10h 24m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
1:55 pm - 11:59 pmMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
8h 04m1 stop Seattle/Tacoma Intl
$437Alaska Airlines
Tue, Nov 10 - Sat, Nov 14
American Airlines Logo
7:00 am - 12:35 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
7h 35m1 stop Chicago O'Hare Intl
American Airlines Logo
1:10 pm - 10:45 pmMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
7h 35m1 stop Chicago O'Hare Intl
$450American Airlines
Wed, Oct 28 - Sun, Nov 1
United Airlines Logo
3:10 pm - 9:31 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
8h 21m1 stop Denver Intl
United Airlines Logo
6:15 am - 7:19 pmMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
11h 04m2 stops Denver Intl Chicago O'Hare Intl
$506United Airlines
Tue, Aug 25 - Mon, Aug 31
United Airlines Logo
10:30 am - 9:47 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
13h 17m2 stops Newark Denver Intl
United Airlines Logo
2:37 pm - 11:50 pmMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
7h 13m1 stop Denver Intl
$552United Airlines
Tue, Nov 10 - Sat, Nov 14
Multiple Airlines Logo
7:10 am - 3:27 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
10h 17m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:00 am - 9:05 amMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
25h 05m2 stops Seattle/Tacoma Intl Toronto Pearson Intl
$851Multiple Airlines
Mon, Nov 16 - Sun, Nov 29
Multiple Airlines Logo
7:00 am - 3:02 pmBOS  Boston Logan Intl-MSO Missoula Johnson-Bell Field
10h 02m1 stop Seattle/Tacoma Intl
Multiple Airlines Logo
6:00 am - 9:05 amMSO  Missoula Johnson-Bell Field-BOS Boston Logan Intl
25h 05m2 stops Seattle/Tacoma Intl Toronto Pearson Intl
$911Multiple Airlines
Fri, Nov 20 - Sun, Nov 29

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Delta flights from Boston to Missoula

Our best Delta deals on Boston to Missoula flight tickets
Delta
Nov 4
BOS3:15 pmBoston Logan Intl
6h 39m
1 stop
MSO7:54 pmMissoula Johnson-Bell Field
Nov 11
MSO1:25 pmMissoula Johnson-Bell Field
8h 34m
1 stop
BOS11:59 pmBoston Logan Intl
$431
Delta
Nov 20
BOS11:00 amBoston Logan Intl
8h 42m
1 stop
MSO5:42 pmMissoula Johnson-Bell Field
Dec 1
MSO6:28 pmMissoula Johnson-Bell Field
9h 52m
1 stop
BOS6:20 amBoston Logan Intl
$450
Delta
Nov 21
BOS4:45 pmBoston Logan Intl
8h 05m
1 stop
MSO10:50 pmMissoula Johnson-Bell Field
Dec 4
MSO8:30 amMissoula Johnson-Bell Field
8h 24m
1 stop
BOS6:54 pmBoston Logan Intl
$456

Alaska Airlines flights from Boston to Missoula

Our best Alaska Airlines deals on Boston to Missoula flight tickets
Alaska Airlines
Nov 10
BOS7:10 amBoston Logan Intl
10h 24m
1 stop
MSO3:34 pmMissoula Johnson-Bell Field
Nov 14
MSO1:55 pmMissoula Johnson-Bell Field
8h 04m
1 stop
BOS11:59 pmBoston Logan Intl
$437
Alaska Airlines
Oct 3
BOS9:03 amBoston Logan Intl
15h 01m
1 stop
MSO10:04 pmMissoula Johnson-Bell Field
Oct 6
MSO3:49 pmMissoula Johnson-Bell Field
13h 37m
1 stop
BOS7:26 amBoston Logan Intl
$486
Alaska Airlines
Nov 4
BOS7:10 amBoston Logan Intl
10h 24m
1 stop
MSO3:34 pmMissoula Johnson-Bell Field
Nov 11
MSO4:22 pmMissoula Johnson-Bell Field
13h 06m
2 stops
BOS7:28 amBoston Logan Intl
$497

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 August 10, 2026.
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

Cheapest round-trip

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Wed 9/23

6:05 am-12:37 pm

1 stop8h 32m

Missoula Johnson-Bell Field

Wed 9/30

6:17 pm-6:30 am

1 stop10h 13m

$431

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Mon 1/18

6:00 am-12:36 pm

1 stop8h 36m

Missoula Johnson-Bell Field

Mon 1/18

6:10 pm-6:11 am

1 stop10h 01m

$431

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Wed 9/23

6:00 am-12:55 pm

1 stop8h 55m

Missoula Johnson-Bell Field

Wed 9/30

12:45 pm-11:54 pm

1 stop9h 09m

$431

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Thu 10/1

10:03 am-11:01 pm

1 stop14h 58m

Missoula Johnson-Bell Field

Tue 10/6

3:49 pm-7:26 am

1 stop13h 37m

$431

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Tue 11/10

7:10 am-3:34 pm

1 stop10h 24m

Missoula Johnson-Bell Field

Sat 11/14

1:55 pm-11:59 pm

1 stop8h 04m

$437
Quickest round-trip

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Wed 10/28

7:00 am-12:35 pm

1 stop7h 35m

Missoula Johnson-Bell Field

Sun 11/1

1:10 pm-10:45 pm

1 stop7h 35m

$450

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Tue 8/25

3:10 pm-9:31 pm

1 stop8h 21m

Missoula Johnson-Bell Field

Mon 8/31

6:15 am-7:19 pm

2 stops11h 04m

$506

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Tue 11/10

10:30 am-9:47 pm

2 stops13h 17m

Missoula Johnson-Bell Field

Sat 11/14

2:37 pm-11:50 pm

1 stop7h 13m

$552

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Mon 11/16

7:10 am-3:27 pm

1 stop10h 17m

Missoula Johnson-Bell Field

Sun 11/29

6:00 am-9:05 am

2 stops25h 05m

$851

BostonMissoula

BOS Boston Logan Intl - MSO Missoula Johnson-Bell Field

BOSMSO

Boston Logan Intl

Fri 11/20

7:00 am-3:02 pm

1 stop10h 02m

Missoula Johnson-Bell Field

Sun 11/29

6:00 am-9:05 am

2 stops25h 05m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Boston and Missoula?

Prices are currently low for flights on this route.

Typical prices usually range from $550 to $676.
The lowest price recently found on this route was $431.

What is the cheapest month to fly to Missoula?

The month of February is, on average, the cheapest month to fly to Missoula from Boston, with most prices found around $382. If you are unable to visit Missoula during the month of February, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around $440.

How far in advance should I book a flight from Boston 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 $554 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 $453 on momondo.

How have Boston to Missoula flight prices changed over time?

As of August 2026, prices for Boston to Missoula flights are approximately 8% more expensive 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

6h 39m

Direct flights

None
The fastest flight from Boston to Missoula takes 6h 39m
There are no direct flights from Boston to Missoula. There are no popular flight routes from Boston to Missoula.
Search flight deals

Frequently asked questions about flying from Boston to Missoula

  • 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 6h 39m.

  • 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
Alaska AirlinesPriceFrom $210Free CancellationRating
7.9
12,790 reviews
Search Alaska Airlines flights
DeltaPriceFrom $339Free CancellationRating
7.8
8,497 reviews
Search Delta flights
American AirlinesPriceFrom $360Free CancellationRating
7.1
11,897 reviews
Search American Airlines flights
United AirlinesPriceFrom $361Free CancellationRating
7.4
10,097 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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