$226+ Cheap flights from Missoula to Boston (MSO - BOS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — BOS
Oct 8 — Oct 151
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Missoula to Boston with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Missoula to Boston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Missoula to BostonExplore the most affordable flight options available from Missoula to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
Explore the most affordable flight options available from Missoula to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 8, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:06 pm -
1 stop7h 53m
Thu 11/57:13 am -
1 stop10h 18m
Deal found 9/7![Alaska Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:28 pm -
1 stop8h 56m
Tue 10/612:45 pm -
2 stops10h 47m
Deal found 9/4![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/141:19 pm -
1 stop8h 38m
Wed 11/1811:55 am -
1 stop10h 02m
Deal found 9/3![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/142:37 pm -
1 stop7h 13m
Wed 11/1810:30 am -
2 stops13h 17m
Deal found 9/3![United Airlines logo]()
$462
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:06 pm -
1 stop7h 53m
Tue 11/37:13 am -
1 stop10h 18m
Deal found 9/7![Alaska Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:23 pm -
1 stop10h 02m
Wed 11/44:15 pm -
1 stop8h 36m
Deal found 9/7![Delta logo]()
$471
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:37 pm -
1 stop7h 13m
Fri 11/1311:55 am -
2 stops11h 52m
Deal found 9/3![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:17 pm -
1 stop8h 36m
Sat 10/36:05 am -
1 stop8h 32m
Deal found 9/2![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:33 am -
1 stop8h 25m
Thu 11/512:05 pm -
1 stop9h 49m
Deal found 9/7![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:25 pm -
1 stop10h 00m
Wed 11/412:05 pm -
1 stop9h 49m
Deal found 9/7![Delta logo]()
$490
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:17 pm -
1 stop10h 13m
Tue 10/66:05 am -
1 stop8h 29m
Deal found 9/2![Delta logo]()
$491
Best flights from Missoula to BostonDiscover carefully curated flight deals from Missoula to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
Discover carefully curated flight deals from Missoula to Boston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 am -
2 stops10h 24m
Wed 11/186:00 am -
2 stops12h 26m
Deal found 9/4![United Airlines logo]()
$468
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:17 pm -
1 stop10h 13m
Tue 10/66:05 am -
1 stop8h 29m
Deal found 9/2![Delta logo]()
$470
This Alaska Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/237:03 am -
1 stop8h 22m
Tue 1/267:00 am -
1 stop10h 32m
Deal found 9/3![Alaska Airlines logo]()
$501
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:23 pm -
1 stop10h 02m
Mon 11/29:40 am -
2 stops15h 11m
Deal found 9/7![Delta logo]()
$554
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:28 pm -
1 stop8h 56m
Wed 10/76:00 am -
1 stop7h 32m
Deal found 9/2![United Airlines logo]()
$561
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/182:40 pm -
1 stop7h 14m
Tue 9/2212:37 pm -
2 stops10h 54m
Deal found 9/2![United Airlines logo]()
$573
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1010:38 am -
2 stops12h 16m
Sat 10/176:00 am -
1 stop7h 32m
Deal found 9/3![United Airlines logo]()
$578
This United Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:21 pm -
1 stop9h 03m
Sat 10/37:45 am -
1 stop9h 34m
Deal found 9/5![United Airlines logo]()
$587
Last-minute flights from Missoula to BostonDiscover last-minute flight deals from Missoula to Boston. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Boston. Data last updated September 8, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:17 pm -
1 stop10h 13m
Tue 10/66:05 am -
1 stop8h 29m
Deal found 9/2![Delta logo]()
$491
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:17 pm -
1 stop10h 13m
Sat 10/38:15 am -
1 stop8h 30m
Deal found 9/2![Delta logo]()
$497
This United Airlines deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3012:21 pm -
1 stop9h 03m
Sat 10/37:45 am -
1 stop9h 34m
Deal found 9/2![United Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:28 pm -
1 stop8h 56m
Tue 10/612:45 pm -
2 stops10h 47m
Deal found 9/4![United Airlines logo]()
$456
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:17 pm -
1 stop8h 36m
Sat 10/36:05 am -
1 stop8h 32m
Deal found 9/2![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:23 pm -
1 stop10h 02m
Wed 11/44:15 pm -
1 stop8h 36m
Deal found 9/7![Delta logo]()
$471
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:23 pm -
1 stop10h 02m
Sun 11/16:05 am -
1 stop8h 29m
Deal found 9/7![Delta logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:06 pm -
1 stop7h 53m
Thu 11/57:13 am -
1 stop10h 18m
Deal found 9/7![Alaska Airlines logo]()
$451
This Alaska Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:06 pm -
1 stop7h 53m
Tue 11/37:13 am -
1 stop10h 18m
Deal found 9/7![Alaska Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:33 am -
1 stop8h 25m
Thu 11/512:05 pm -
1 stop9h 49m
Deal found 9/7![Delta logo]()
$477
This Delta deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:55 pm -
1 stop7h 04m
Sun 11/16:05 am -
1 stop8h 29m
Deal found 9/7![Delta logo]()
$496
One-way flights from Missoula to BostonSearch for one-way flight options from Missoula to Boston. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
Search for one-way flight options from Missoula to Boston. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.
This Delta deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:17 pm -
1 stop10h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Delta logo]()
$226
This Alaska Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/294:16 pm -
1 stop13h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Alaska Airlines logo]()
$231
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/271:45 pm -
1 stop7h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$232
This American Airlines deal was found by Cheapflights users on 9/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/61:06 pm -
1 stop7h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![American Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/275:32 pm -
2 stops13h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 9/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:17 pm -
1 stop10h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Delta logo]()
$266
This deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:38 am -
1 stop9h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![United Airlines logo]()
$281
This Delta deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:17 pm -
1 stop8h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Delta logo]()
$290
This American Airlines deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:48 pm -
2 stops16h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![American Airlines logo]()
$295
This Delta deal was found by Cheapflights users on 9/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:17 pm -
1 stop10h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Delta logo]()
$320
Find flight deals from Missoula to Boston
Discover tips and strategies to find the most affordable flight options for your journey from Missoula (MSO) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $451 (Alaska Airlines) |
One-way from | $226 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $540 |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula to Boston 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, Cheapflights users made 7,457,451 searches. Data last updated September 8, 2026.
Use the filters below to find and compare flights from Missoula to Boston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Wed 10/21
12:28 pm-9:59 pm
1 stop7h 31m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$226
Quickest round-trip
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Tue 10/20
1:48 pm-10:37 pm
1 stop6h 49m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$226
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Thu 11/26
6:50 am-5:52 pm
1 stop9h 02m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$226
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Tue 9/29
4:16 pm-7:39 am
1 stop13h 23m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$231
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Sat 2/27
1:45 pm-11:36 pm
1 stop7h 51m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$232
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Sat 2/27
5:32 pm-8:44 am
2 stops13h 12m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$247
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Tue 9/22
6:17 pm-6:30 am
1 stop10h 13m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$266
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Tue 9/22
2:40 pm-11:54 pm
1 stop7h 14m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$266
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Tue 9/29
6:17 pm-6:30 am
1 stop10h 13m
Boston Logan Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$276
MissoulaBoston
MSO Missoula Johnson-Bell Field - BOS Boston Logan Intl
MSOBOS
Missoula Johnson-Bell Field
Sat 11/14
6:15 am-6:39 pm
2 stops10h 24m
Boston Logan Intl
Wed 11/18
6:00 am-4:26 pm
2 stops12h 26m
$468
Showing 1-10 of 17 resultsSorted by cheapest first
Compare providers for flights from Missoula to Boston
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Missoula to Boston in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Missoula-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Missoula-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Missoula-Boston flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Missoula-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Missoula-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Missoula to Boston
Have a flexible travel schedule? Discover the best time to fly to Boston from Missoula with our price prediction graph.
MSO-BOS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Missoula to Boston
What is the cheapest month to book a flight from Missoula to Boston?
Currently, January is the cheapest month in which you can book a flight from Missoula to Boston (average of $385). Flying from Missoula to Boston in March is currently the most expensive (average of $834). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Missoula to Boston?
Airfare is below average for this route at the moment.
Missoula to Boston flights typically cost between $488 and $688 in October.The cheapest round-trip price found within the last 5 days was $451 on Alaska Airlines (Oct 28-Nov 5).
Reviews of airlines servicing Boston
Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated September 8, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Missoula to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentJonathan,Jul 2025
SEA - BOS
Related info for your journey
Find useful and relevant information for your journey from Missoula to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Boston?
Book flights to Boston if you plan to visit one of these locationsWaltham
Randolph
Concord
Cambridge
Brockton
Seekonk
Dedham
Cranston
Warwick
Pawtucket
Peabody
Auburn
Revere
York Beach
Londonderry
Fitchburg
North Falmouth
Swansea
Chelsea
Braintree
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Boston flight routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Missoula
Popular flights
Alternative routes for Missoula to Boston
See prices for flight routes from nearby airports that may be better suited for you.
Other flights to Boston
Explore flights to Boston departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Complete your trip
Complete your trip to Boston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Missoula to Boston by cabin class
Find flights from Missoula to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Missoula and Boston flights
Browse other Missoula and Boston flight options. Last updated on September 8, 2026.
Other flights from Missoula
Browse through other flights departing from Missoula. Flights are based on user searches made on Cheapflights and were last updated on September 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Missoula to Boston
Discover the top 4 airlines that operate flights from Missoula to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$360 | Average$490 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$360 | Average$600 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$385 | Average$620 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$401 | Average$700 | FlexibilityNo cancel fee | On-time69% |