$161+ Cheap flights from Missoula to Boston (MSO - BOS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — BOS
May 17 — May 241
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:40 pm
MSO
- BOS
1 stop8h 17m
Delta
Wed 5/132:33 pm
BOS
- MSO
2 stops11h 07m
Delta
Deal found 4/14![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/205:05 am
MSO
- BOS
2 stops12h 59m
Delta
Wed 5/275:40 am
BOS
- MSO
2 stops11h 00m
Delta
Deal found 4/16![Delta logo]()
$407
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:40 pm
MSO
- BOS
1 stop8h 17m
Delta
Mon 5/112:33 pm
BOS
- MSO
2 stops11h 07m
Delta
Deal found 4/14![Delta logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 4/15. 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 10/242:16 pm
MSO
- BOS
1 stop7h 49m
Alaska Airlines
Wed 10/287:20 am
BOS
- MSO
1 stop10h 03m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 5/61:59 pm
MSO
- BOS
1 stop15h 13m
Alaska Airlines
Mon 5/116:42 pm
BOS
- MSO
1 stop19h 46m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 4/12. 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 9/112:40 pm
MSO
- BOS
2 stops9h 14m
United Airlines
Wed 9/306:00 am
BOS
- MSO
2 stops9h 27m
United Airlines
Deal found 4/12![United Airlines logo]()
$431
This American Airlines deal was found by Cheapflights users on 4/14. 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.
Thu 10/221:29 pm
MSO
- BOS
1 stop8h 25m
American Airlines
Mon 10/265:24 am
BOS
- MSO
1 stop9h 15m
American Airlines
Deal found 4/14![American Airlines logo]()
$440
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 April 17, 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 April 17, 2026.
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/205:05 am
MSO
- BOS
2 stops12h 59m
Delta
Wed 5/278:10 am
BOS
- MSO
1 stop8h 30m
Delta
Deal found 4/16![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 4/11. 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 9/212:40 pm
MSO
- BOS
2 stops9h 14m
United Airlines
Tue 9/85:45 am
BOS
- MSO
2 stops9h 42m
United Airlines
Deal found 4/11![United Airlines logo]()
$447
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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 5/2012:56 pm
MSO
- BOS
1 stop15h 24m
Alaska Airlines
Wed 5/279:01 am
BOS
- MSO
1 stop12h 21m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$511
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:40 pm
MSO
- BOS
1 stop8h 17m
Delta
Mon 5/112:33 pm
BOS
- MSO
2 stops11h 07m
Delta
Deal found 4/14![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 4/16. 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 5/86:05 pm
MSO
- BOS
1 stop10h 15m
Delta
Sat 5/168:10 am
BOS
- MSO
2 stops11h 14m
Delta
Deal found 4/16![Delta logo]()
$414
This Delta deal was found by Cheapflights users on 4/13. 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.
Wed 4/296:18 pm
MSO
- BOS
1 stop9h 42m
Delta
Mon 5/46:15 am
BOS
- MSO
1 stop8h 26m
Delta
Deal found 4/13![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 4/13. 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 5/18:32 am
MSO
- BOS
1 stop6h 32m
Delta
Sun 5/36:15 am
BOS
- MSO
1 stop9h 07m
Delta
Deal found 4/13![Delta logo]()
$515
Last-minute flights from Missoula to BostonDiscover last-minute flight deals from Missoula to Boston. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Boston. Data last updated April 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:40 pm
MSO
- BOS
1 stop8h 17m
Delta
Wed 5/132:33 pm
BOS
- MSO
2 stops11h 07m
Delta
Deal found 4/14![Delta logo]()
$402
This Delta deal was found by Cheapflights users on 4/14. 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.
Wed 5/61:40 pm
MSO
- BOS
1 stop8h 17m
Delta
Mon 5/112:33 pm
BOS
- MSO
2 stops11h 07m
Delta
Deal found 4/14![Delta logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 4/14. 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 5/61:59 pm
MSO
- BOS
1 stop15h 13m
Alaska Airlines
Mon 5/116:42 pm
BOS
- MSO
1 stop19h 46m
Alaska Airlines
Deal found 4/14![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 4/16. 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 5/86:05 pm
MSO
- BOS
1 stop10h 15m
Delta
Sat 5/166:16 pm
BOS
- MSO
1 stop7h 24m
Delta
Deal found 4/16![Delta logo]()
$450
This Delta deal was found by Cheapflights users on 4/16. 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.
Wed 5/205:05 am
MSO
- BOS
2 stops12h 59m
Delta
Wed 5/275:40 am
BOS
- MSO
2 stops11h 00m
Delta
Deal found 4/16![Delta logo]()
$407
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 April 17, 2026.
Search for one-way flight options from Missoula to Boston. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:54 pm
MSO
- BOS
3 stops50h 30m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$161
This Delta deal was found by Cheapflights users on 4/14. 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 5/306:05 pm
MSO
- BOS
1 stop10h 15m
Delta
Deal found 4/14![Delta logo]()
$199
This United Airlines deal was found by Cheapflights users on 4/15. 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 9/294:19 pm
MSO
- BOS
1 stop11h 59m
United Airlines
Deal found 4/15![United Airlines logo]()
$211
This American Airlines deal was found by Cheapflights users on 4/12. 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 6/64:44 pm
MSO
- BOS
1 stop11h 51m
American Airlines
Deal found 4/12![American Airlines logo]()
$217
This American Airlines deal was found by Cheapflights users on 4/14. 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 5/306:45 am
MSO
- BOS
2 stops12h 08m
American Airlines
Deal found 4/14![American Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 4/14. 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 6/56:05 pm
MSO
- BOS
1 stop10h 15m
Delta
Deal found 4/14![Delta logo]()
$230
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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.
Thu 7/92:04 pm
MSO
- BOS
1 stop13h 36m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$235
This Alaska Airlines deal was found by Cheapflights users on 4/16. 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 8/15:41 pm
MSO
- BOS
1 stop10h 39m
Alaska Airlines
Deal found 4/16![Alaska Airlines logo]()
$240
This American Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 4/296:45 am
MSO
- BOS
1 stop8h 19m
American Airlines
Deal found 4/12![American Airlines logo]()
$241
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $402 (Delta) |
One-way from | $161 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $490 |
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 2,558,603 searches. Data last updated April 17, 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 - BOS
MSOBOS
Missoula Johnson-Bell Field
Wed 5/20
5:05 am-8:04 pm
2 stops12h 59m
Boston Logan Intl
Wed 5/27
8:10 am-2:40 pm
1 stop8h 30m
$402
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Wed 5/6
1:40 pm-11:57 pm
1 stop8h 17m
Boston Logan Intl
Mon 5/11
2:33 pm-11:40 pm
2 stops11h 07m
$414
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Fri 5/8
6:05 pm-6:20 am
1 stop10h 15m
Boston Logan Intl
Sat 5/16
8:10 am-5:24 pm
2 stops11h 14m
$414
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Wed 9/2
12:40 pm-11:54 pm
2 stops9h 14m
Boston Logan Intl
Tue 9/8
5:45 am-1:27 pm
2 stops9h 42m
$447
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Wed 4/29
6:18 pm-6:00 am
1 stop9h 42m
Boston Logan Intl
Mon 5/4
6:15 am-12:41 pm
1 stop8h 26m
$476
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Wed 5/20
12:56 pm-6:20 am
1 stop15h 24m
Boston Logan Intl
Wed 5/27
9:01 am-7:22 pm
1 stop12h 21m
$511
Quickest round-trip
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Fri 5/1
8:32 am-5:04 pm
1 stop6h 32m
Boston Logan Intl
Sun 5/3
6:15 am-1:22 pm
1 stop9h 07m
$515
Cheapest one-way
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Sat 8/1
5:41 pm-6:20 am
1 stop10h 39m
$240
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Sun 8/30
6:10 pm-6:09 am
1 stop9h 59m
$251
MissoulaBoston
MSO - BOS
MSOBOS
Missoula Johnson-Bell Field
Mon 7/13
7:59 pm-7:40 am
1 stop9h 41m
$285
Showing 1-10 of 14 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 April.
| 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, August is the cheapest month in which you can book a flight from Missoula to Boston (average of $371). Flying from Missoula to Boston in March is currently the most expensive (average of $762). 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?
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 April 17, 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.
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
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 locationsMedford
Cambridge
Concord
Hampton Beach
Watertown
Brockton
Seekonk
Cranston
Chelsea
Seabrook
Warwick
Peabody
York Beach
Londonderry
Swansea
Old Orchard Beach
Lincoln
Quincy
Waltham
Lowell
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 April 17, 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 April 17, 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 April 17, 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 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$305 | Average$491 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$340 | Average$450 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$360 | Average$575 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$367 | Average$649 | FlexibilityNo cancel fee | On-time69% |