$159 Cheap United flights from Boston to Missoula (BOS to MSO)

Find The Best Day To Fly from Boston to Missoula

Amazing United BOS to MSO Flight Deals

The cheapest flights to Missoula Intl. found within the past 7 days were $330 round trip and $159 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Aug 5 - Wed, Aug 13
BOS
Boston
MSO
Missoula
$330 Roundtrip, found 6 days ago
$330
Roundtrip
found 6 days ago
Select United flight, departing Tue, Aug 5 from Boston to Missoula, returning Wed, Aug 13, priced at $330 found 6 days ago
Mon, Sep 15 - Fri, Sep 19
BOS
Boston
MSO
Missoula
$332 Roundtrip, found 3 days ago
$332
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Boston to Missoula, returning Fri, Sep 19, priced at $332 found 3 days ago
Mon, Sep 15 - Fri, Sep 19
BOS
Boston
MSO
Missoula
$344 Roundtrip, found 3 days ago
$344
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Boston to Missoula, returning Fri, Sep 19, priced at $344 found 3 days ago
Mon, Sep 15 - Fri, Sep 19
BOS
Boston
MSO
Missoula
$349 Roundtrip, found 3 days ago
$349
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Boston to Missoula, returning Fri, Sep 19, priced at $349 found 3 days ago
Mon, Sep 15 - Fri, Sep 19
BOS
Boston
MSO
Missoula
$362 Roundtrip, found 3 days ago
$362
Roundtrip
found 3 days ago
Select United flight, departing Mon, Sep 15 from Boston to Missoula, returning Fri, Sep 19, priced at $362 found 3 days ago
Tue, Jun 2 - Tue, Jun 9
BOS
Boston
MSO
Missoula
$367 Roundtrip, found 2 days ago
$367
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jun 2 from Boston to Missoula, returning Tue, Jun 9, priced at $367 found 2 days ago

MSO From BOS Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
LivAway Suites- Missoula

LivAway Suites- Missoula

2 out of 5
per person
Aug 1 - Aug 8
found 5 hours ago
Roundtrip non-stop flight included
Boston (BOS) to Missoula (MSO)
StoneCreek Lodge

StoneCreek Lodge

3 out of 5
per person
Aug 1 - Aug 8
found 5 hours ago
Roundtrip non-stop flight included
Boston (BOS) to Missoula (MSO)
My Place Hotel - Missoula, MT

My Place Hotel - Missoula, MT

3 out of 5
per person
Aug 1 - Aug 8
found 5 hours ago
Roundtrip non-stop flight included
Boston (BOS) to Missoula (MSO)
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Frequently asked questions

Can I catch a flight from Logan Intl. Airport to MSO right now?
For information on any present Missoula Intl. Airport (MSO) quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you book your flight, so you don't get caught up.
What terminal is United Airlines at BOS?
The information printed on tickets can differ between airlines. If you're traveling from Logan Intl. Airport to Missoula Intl. Airport (MSO) with United Airlines and you can't find your terminal details, get in touch with the airline.
Are there United Airlines non-stop flights from BOS to MSO?
Prepare to make a stopover when jetting from Logan Intl. Airport to Missoula Intl. Airport (MSO), as United Airlines doesn't offer nonstop flights on this route. While in transit, you might like to grab the local newspaper or a travel magazine from the airport bookstore to help pass the time.
How long is a United Airlines flight from BOS to MSO?
As it will take roughly 7 hours and 2 minutes for your United Airlines flight to jet from BOS to MSO, consider sticking some entertaining travel games in your carry-on bag. You never know — the person sitting beside you might appreciate the opportunity to play to break up the journey.
How many direct and indirect flights does United Airlines fly from BOS to MSO?
If you're considering a jaunt from BOS to MSO, you can select from about 2 United Airlines flights daily.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Missoula Intl. Airport (MSO), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Boston BOS to Missoula MSO 

To find the best deals on flights to Boston from Missoula with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Boston BOS to Missoula MSO with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $330 to $367, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Boston BOS to Missoula MSO 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Boston to Missoula costs from $159. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Missoula MSO from  Boston BOS with United 

To find a cheap United flight from Boston BOS to Missoula MSO, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Boston BOS to Missoula MSO 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as August, or if you book a flight with a stopover. 

 

Find nonstop flights from Boston BOS to Missoula MSO with United 

If you’re keen to be on Missoula soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Boston BOS to Missoula MSO 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Missoula MSO from  Boston BOS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Missoula

StoneCreek Lodge

StoneCreek Lodge

3 out of 5
5145 Airway Blvd, Missoula, MT
This hotel features an indoor pool and a gym. Enjoy the hot tub and perks like free self parking and a free airport shuttle. A 24-hour business center, free ...
8.4/10 Very Good! (1,004 reviews)
"The lodge was clean and spacious. The room was quiet and I couldn’t hear outside noises. The air conditioning works great and cools down a large space quickly. My recommendations would be for the room to have a second box of tissue and the kitchenette could have had a hand towel, a few plates and ..."

Reviewed on Jul 14, 2025

StoneCreek Lodge
Fairfield by Marriott Inn & Suites Missoula Airport

Fairfield by Marriott Inn & Suites Missoula Airport

3 out of 5
5252 Airway Blvd, I-90 Exit 99 / Airway Blvd 1 Block, Missoula, MT
Free water park access and an indoor pool are featured at this smoke-free hotel. There's fun for all ages with a children's pool and a waterslide. Enjoy the ...
8.4/10 Very Good! (1,000 reviews)
"Nice, clean hotel. Good breakfast. The pool can be noisy and busy due to the water slides but everyone was having a good time."

Reviewed on Jul 14, 2025

Fairfield by Marriott Inn & Suites Missoula Airport
La Quinta Inn by Wyndham Missoula

La Quinta Inn by Wyndham Missoula

3 out of 5
5059 N Reserve St, Missoula, MT
This hotel features an indoor pool and a gym. Traveling on business? Take advantage of the business center and free WiFi in public areas. Enjoy the hot tub and ...
8/10 Very Good! (1,004 reviews)
"Convenient hotel as we were able to get right back on Interstate 90 in the morning and continue our travels. Friendly staff and delicious breakfast."

Reviewed on Jul 17, 2025

La Quinta Inn by Wyndham Missoula
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.