Prices were available within the past 7 days and start at $236 for one-way flights and $460 for roundtrip, for the period specified. Prices and availability are subject to change.
Find the cheapest month to fly from Boston (BOS) to Missoula (MSO)
January is typically the cheapest month to flyJanuary is typically the cheapest month to fly
From $442 - $523 per traveler.
Book with confidence
Boston (BOS) to Missoula (MSO) at a glance
Explore a range of airlines offering flights from Boston (BOS) to Missoula (MSO) on this domestic long-haul route. Compare various options, from full-service carriers to budget-friendly choices, to find the best itinerary that suits your travel preferences and budget. Get ready to discover Missoula's iconic sights and charming neighborhoods as you plan your journey from Logan International Airport to Missoula International Airport.
Fastest flight duration: around 7 hours in-flight, plus roughly 1h 15m layover with one stop
Route distance: roughly 2,100 miles (3,380 km)
Flights per week: around 11 departures on average
Typical fares (one-way): economy tickets often range from $160–$530, depending on seasonality and how far ahead you book
Flights from Logan International Airport (BOS) to Missoula International Airport (MSO)
Based on the latest traveler bookings, here are the top airlines favored for flights from Boston to Missoula, particularly for their one-stop options. Popular layovers include Denver International Airport (DEN) with a layover time of about 1 hour and 15 minutes, Minneapolis - St. Paul International Airport (MSP) at approximately 1 hour and 30 minutes, and O'Hare International Airport (ORD) with a shorter layover of around 55 minutes. This variety allows you to balance price, total travel time, and cabin class for the ideal itinerary.
United: This full-service airline provides a seamless one-stop travel experience, with one-way ticket prices generally falling between $165 and $715. It represents about 34% of departures on this route, featuring an in-flight duration of 7 hours and a total travel time of around 8 hours and 30 minutes, including layover.
Delta: Offering one-stop service as a full-service carrier, Delta's one-way fares usually range from $160 to $535. It also accounts for approximately 34% of departures on this route, boasting a flight time of 7 hours and a total journey duration of nearly 8 hours and 30 minutes, factoring in the layover.
American Airlines: This full-service airline provides one-stop service, with one-way fares typically priced between $160 and $500. It holds about 19% of departures on this route, offering an in-flight time of 7 hours and an overall travel duration of roughly 8 hours and 30 minutes, including layover time.
Alaska Airlines: As a full-service carrier, Alaska Airlines offers one-stop service with one-way fares ranging from $160 to $445. It comprises approximately 13% of the departures on this route, featuring a flight duration of 7 hours and a total journey time of about 8 hours and 30 minutes, including the layover.
Travelers flying from Boston to Missoula can opt for an upgrade, as American Airlines provides first-class service on this route.
Best time to fly from Boston (BOS) to Missoula (MSO)
The most popular months for travelers flying from Boston to Missoula are April, July, and August, when peak temperatures in Missoula reach up to 69.3°F in July. If you prefer quieter travel, consider January, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 23.7°F. For better deals, August usually offers the lowest average one-way fare around $272. Flight availability peaks in July, with approximately 17 flights per week, making it easier to find convenient departure times.
Cheapest time to fly: August usually offers good deals with average one-way fare around $272, roughly 13% cheaper than the yearly average.
More budget-friendly months to fly: January, May, and September typically offer average one-way fares of around $281.
Most flight options: July has the highest number of flights from Boston to Missoula, with approximately 17 flights per week, giving you more flexibility in scheduling your trip.
Month
Temperature
Demand
Weekly Flights
Average one-way Fare
January
23.7°F (-4.6°C)
Moderately Low
9
$276
February
24.6°F (-4.1°C)
Average
9
$322
March
33.1°F (0.6°C)
Average
10
$306
April
39.9°F (4.4°C)
Moderately High
9
$360
May
50.7°F (10.4°C)
Average
11
$278
June
59.2°F (15.1°C)
Average
10
$294
July
69.3°F (20.7°C)
Moderately High
17
$297
August
67.8°F (19.9°C)
Moderately High
13
$272
September
58.1°F (14.5°C)
Average
13
$286
October
43.2°F (6.2°C)
Average
11
$317
November
30.9°F (-0.6°C)
Moderately Low
9
$354
December
23.2°F (-4.9°C)
Moderately Low
11
$433
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative route from Boston (BOS) to Missoula (MSO)
Norwood to Missoula (OWD-MSO): Located approximately 15 miles from Logan International Airport (BOS), Norwood Memorial Airport (OWD) serves as a convenient departure point.
How to find the best prices for flights from Boston (BOS) to Missoula (MSO)
Getting some of the best deals on flights from Boston to Missoula is all about timing and flexibility. Here are some key tips to help you save:
Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures (6 PM-12 AM) often offer lower prices, while morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Wednesday generally yields cheaper rates, although Thursday remains the most sought-after travel day.
Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Missoula hotel and flight deals.
Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Missoula International Airport from Logan International Airport
Missoula welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Here's how to reach Missoula efficiently:
Hotel transfer: Transfers offer a convenient way to reach your hotel in Missoula, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
Boston to Missoula Flights
The cheapest times to fly from Boston to Missoula
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Missoula are during the month of February. You can find some of the cheapest flights from Boston to Missoula with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Boston to Missoula
Sunday is one of the best days to book for cheap flights from Boston to Missoula: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Boston to Missoula
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Missoula in 2026. You can also book with separate airlines for your outbound and return journeys, from $236 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Missoula flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Missoula airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) cost?
You can find cheap one-way flights from $236 and cheap return flights $460 Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) with Expedia. One-way flights typically cost between $230 and $1340, and return flights often range between $478 and $1815. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The cheapest month to fly from BOS to MSO is February when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
Enter BOS to MSO and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Boston (BOS) to Missoula (MSO) with a layover in Ronald Reagan Washington National (DCA), starting from around $276 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
To find a cheap flight from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
The earliest flight from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) typically leaves at around 5:00 AM, operated by American Airlines. This service is active during the summer months of June, July, and August, and an early flight can help you make the most of your time in Missoula. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
For flights from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.), the most popular departure times are in the early morning, from 6am to 9am. This time window accounts for about 45% of total traffic. Major carriers like United Airlines, Delta Air Lines, and American Airlines operate flights during this period. Many travelers prefer this timing as it allows for a full day of exploration in Missoula.
How long does it take to fly from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
Flying from BOS to MSO with a connection usually takes about 8 hours 30 minutes, traveling roughly 2,113 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
You can fly first class between BOS and MSO. First class cabins are available on:
Delta Air Lines
United Airlines
American Airlines
How do I earn miles on a Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) flight with Expedia?
It's easy to earn miles on a Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Missoula from Logan Intl. (BOS)?
From Logan Intl. (BOS), you can fly into Missoula Intl. (MSO) to reach Missoula. Some flights may connect through major hubs like O'Hare Intl. (ORD), Liberty Intl. (EWR), Washington Dulles Intl. (IAD) before reaching Missoula. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) at the last minute?
Typically, booking a last minute flight from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) flight and hotel package?
Securing a Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) Missoula Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.)?
If you booked your Boston, MA (BOS-Logan Intl.) to Missoula, MT (MSO-Missoula Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.