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Cheap flights from Boston to Missoula from $155

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 9/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Boston to Missoula

Cheap round-trip flights

Delta Logo
5:20 pm - 11:10 pmBOS-MSO
7h 50m1 stop
Delta Logo
6:20 pm - 6:25 amMSO-BOS
10h 05m1 stop
$309Delta
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Wed, Sep 10 - Wed, Sep 17
Delta Logo
7:10 am - 5:44 pmBOS-MSO
12h 34m2 stops
Delta Logo
6:20 pm - 6:25 amMSO-BOS
10h 05m1 stop
$314Delta
Find Deal
Wed, Sep 10 - Wed, Sep 17
American Airlines Logo
1:55 pm - 11:18 pmBOS-MSO
11h 23m2 stops
American Airlines Logo
6:40 am - 6:59 pmMSO-BOS
10h 19m2 stops
$319American Airlines
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Wed, Sep 24 - Wed, Oct 1
American Airlines Logo
5:55 am - 1:01 pmBOS-MSO
9h 06m1 stop
American Airlines Logo
1:51 pm - 11:42 pmMSO-BOS
7h 51m1 stop
$325American Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 9
Hawaiian Airlines Logo
6:00 am - 1:34 pmBOS-MSO
9h 34m1 stop
Hawaiian Airlines Logo
2:14 pm - 12:27 amMSO-BOS
8h 13m1 stop
$328Hawaiian Airlines
Find Deal
Mon, Sep 8 - Tue, Sep 16
American Airlines Logo
5:55 am - 1:01 pmBOS-MSO
9h 06m1 stop
American Airlines Logo
6:40 am - 6:59 pmMSO-BOS
10h 19m2 stops
$330American Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 9
Alaska Airlines Logo
4:00 pm - 12:27 amBOS-MSO
10h 27m1 stop
Alaska Airlines Logo
4:14 pm - 8:00 amMSO-BOS
13h 46m1 stop
$353Alaska Airlines
Find Deal
Thu, Sep 11 - Mon, Sep 15
Alaska Airlines Logo
7:20 am - 3:23 pmBOS-MSO
10h 03m1 stop
Alaska Airlines Logo
4:12 pm - 7:40 amMSO-BOS
13h 28m1 stop
$365Alaska Airlines
Find Deal
Fri, Oct 24 - Mon, Oct 27
United Airlines Logo
7:30 am - 1:34 pmBOS-MSO
8h 04m1 stop
United Airlines Logo
12:30 pm - 11:57 pmMSO-BOS
9h 27m2 stops
$369United Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 20
United Airlines Logo
7:30 am - 1:34 pmBOS-MSO
8h 04m1 stop
United Airlines Logo
12:30 pm - 9:28 pmMSO-BOS
6h 58m1 stop
$381United Airlines
Find Deal
Tue, Aug 19 - Wed, Aug 20

United Airlines flights from Boston to Missoula

Our best United Airlines deals on Boston to Missoula flight tickets
United Airlines
Aug 19
BOS7:30 amBoston Logan Intl
8h 04m
1 stop
MSO1:34 pmMissoula Johnson-Bell Field
Aug 20
MSO12:30 pmMissoula Johnson-Bell Field
9h 27m
2 stops
BOS11:57 pmBoston Logan Intl
$369
Find similar
United Airlines
Aug 19
BOS7:30 amBoston Logan Intl
8h 04m
1 stop
MSO1:34 pmMissoula Johnson-Bell Field
Aug 20
MSO12:30 pmMissoula Johnson-Bell Field
6h 58m
1 stop
BOS9:28 pmBoston Logan Intl
$381
Find similar
United Airlines
Aug 24
BOS6:09 amBoston Logan Intl
7h 18m
1 stop
MSO11:27 amMissoula Johnson-Bell Field
Aug 28
MSO10:38 amMissoula Johnson-Bell Field
11h 19m
2 stops
BOS11:57 pmBoston Logan Intl
$411
Find similar

Delta flights from Boston to Missoula

Our best Delta deals on Boston to Missoula flight tickets
Delta
Sep 10
BOS5:20 pmBoston Logan Intl
7h 50m
1 stop
MSO11:10 pmMissoula Johnson-Bell Field
Sep 17
MSO6:20 pmMissoula Johnson-Bell Field
10h 05m
1 stop
BOS6:25 amBoston Logan Intl
$309
Find similar
Delta
Sep 10
BOS7:10 amBoston Logan Intl
12h 34m
2 stops
MSO5:44 pmMissoula Johnson-Bell Field
Sep 17
MSO6:20 pmMissoula Johnson-Bell Field
10h 05m
1 stop
BOS6:25 amBoston Logan Intl
$314
Find similar
Delta
Sep 10
BOS2:00 pmBoston Logan Intl
11h 49m
2 stops
MSO11:49 pmMissoula Johnson-Bell Field
Sep 16
MSO5:45 amMissoula Johnson-Bell Field
13h 44m
2 stops
BOS9:29 pmBoston Logan Intl
$335
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 July 31, 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

Wed 9/10

5:20 pm-11:10 pm

1 stop7h 50m

Missoula Johnson-Bell Field

Wed 9/17

6:20 pm-6:25 am

1 stop10h 05m

$309

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 9/10

7:10 am-5:44 pm

2 stops12h 34m

Missoula Johnson-Bell Field

Wed 9/17

6:20 pm-6:25 am

1 stop10h 05m

$314

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Wed 9/24

1:55 pm-11:18 pm

2 stops11h 23m

Missoula Johnson-Bell Field

Wed 10/1

6:40 am-6:59 pm

2 stops10h 19m

$319

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Mon 9/1

5:55 am-1:01 pm

1 stop9h 06m

Missoula Johnson-Bell Field

Tue 9/9

1:51 pm-11:42 pm

1 stop7h 51m

$325

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Mon 9/8

6:00 am-1:34 pm

1 stop9h 34m

Missoula Johnson-Bell Field

Tue 9/16

2:14 pm-12:27 am

1 stop8h 13m

$328

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Mon 9/1

5:55 am-1:01 pm

1 stop9h 06m

Missoula Johnson-Bell Field

Tue 9/9

6:40 am-6:59 pm

2 stops10h 19m

$330

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Thu 9/11

4:00 pm-12:27 am

1 stop10h 27m

Missoula Johnson-Bell Field

Mon 9/15

4:14 pm-8:00 am

1 stop13h 46m

$353

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Fri 10/24

7:20 am-3:23 pm

1 stop10h 03m

Missoula Johnson-Bell Field

Mon 10/27

4:12 pm-7:40 am

1 stop13h 28m

$365

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Tue 8/19

7:30 am-1:34 pm

1 stop8h 04m

Missoula Johnson-Bell Field

Wed 8/20

12:30 pm-11:57 pm

2 stops9h 27m

$369

BostonMissoula

BOS - MSO

BOSMSO

Boston Logan Intl

Tue 8/19

7:30 am-1:34 pm

1 stop8h 04m

Missoula Johnson-Bell Field

Wed 8/20

12:30 pm-9:28 pm

1 stop6h 58m

$381

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 cheapest month to fly to Missoula?

The month of October is, on average, the cheapest month to fly to Missoula from Boston, with most prices found around $510. If you are unable to visit Missoula during the month of October, then departing from Boston during the month August is also very affordable. Most momondo users find prices during this month for around $530.

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 $561 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 $468 on momondo.

How have Boston to Missoula flight prices changed over time?

As of July 2025, prices for Boston to Missoula flights are approximately 37% 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

Best Price Found

$155

Fastest flight time

7h 18m

Direct flights

None

Airports in Missoula

1 airport
The best one-way flight to Missoula from Boston in the past 72 hours is $155. The best round-trip flight deal from Boston to Missoula found on momondo in the last 72 hours is $309.
The fastest flight from Boston to Missoula takes 7h 18m
There are no direct flights from Boston to Missoula. Popular non-direct route for this connection is Boston Logan Intl Airport - Missoula Johnson-Bell Field Airport.
There is 1 airport near Missoula: Missoula Johnson-Bell Field (MSO)
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 18m.

  • 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 $339Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $360Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $364Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $405Free CancellationRating
7.4
8,900 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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